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| | RABB1B | Ras-related protein RABB1b; Intracellular vesicle trafficking and protein transport. (211 aa) |
| | UKL4 | Putative uracil phosphoribosyltransferase; Involved in the pyrimidine salvage pathway. The uracil phosphoribosyltransferase (UPRT) activity, that catalyzes the conversion of uracil and 5-phospho-alpha-D-ribose 1-diphosphate (PRPP) to UMP and diphosphate, is unsure; In the C-terminal section; belongs to the UPRTase family. (469 aa) |
| | UREG | Urease accessory protein G; Required for the maturation and activation of urease via the functional incorporation of the urease nickel metallocenter. Belongs to the SIMIBI class G3E GTPase family. UreG subfamily. (275 aa) |
| | RABC2A | Ras-related protein RABC2a; Intracellular vesicle trafficking and protein transport. Belongs to the small GTPase superfamily. Rab family. (210 aa) |
| | RABA1E | Ras-related protein RABA1e; Intracellular vesicle trafficking and protein transport. Belongs to the small GTPase superfamily. Rab family. (217 aa) |
| | RABE1A | Ras-related protein RABE1a; Involved in membrane trafficking from the Golgi to the plasma membrane; Belongs to the small GTPase superfamily. Rab family. (216 aa) |
| | TOC33 | Translocase of chloroplast 33, chloroplastic; GTPase involved in protein precursor import into chloroplasts. Seems to recognize chloroplast-destined precursor proteins and regulate their presentation to the translocation channel through GTP hydrolysis. Binds GTP, GDP, XTP, but not ATP. Probably specialized in the import of nuclear encoded photosynthetic preproteins from the cytoplasm to the chloroplast, especially during early development stages. (297 aa) |
| | RABC1 | Ras-related protein RABC1; Intracellular vesicle trafficking and protein transport. Belongs to the small GTPase superfamily. Rab family. (212 aa) |
| | RABB1A | Ras-related protein RABB1a; Intracellular vesicle trafficking and protein transport. Belongs to the small GTPase superfamily. Rab family. (205 aa) |
| | CYT1 | Mannose-1-phosphate guanylyltransferase 1; Catalyzes a reaction of the Smirnoff-Wheeler pathway, the major route to ascorbate biosynthesis in plants. Plays an essential role in plant growth and development and cell-wall architecture. Provides GDP-mannose, used for cell wall carbohydrate biosynthesis, protein N-glycosylation, as well as for the biosynthesis of the antioxidant ascorbate. (361 aa) |
| | SAR1A | GTP-binding protein SAR1A; Involved in transport from the endoplasmic reticulum to the Golgi apparatus; Belongs to the small GTPase superfamily. SAR1 family. (193 aa) |
| | RABA2A | Ras-related protein RABA2a; Intracellular vesicle trafficking and protein transport. (217 aa) |
| | RABG3B | Ras-related protein RABG3b; Intracellular vesicle trafficking and protein transport. Functions in autophagy. Involved in xylem and tracheary element differentiation. (203 aa) |
| | MCL19.12 | Guanylate-binding family protein. (1082 aa) |
| | LIP2 | Small GTPase-like protein LIP2; Belongs to the small GTPase superfamily. (333 aa) |
| | GFL | 109 kDa U5 small nuclear ribonucleoprotein component GFL; Splicing factor involved in pre-mRNA splicing and component of the spliceosome. (973 aa) |
| | RSH1 | Putative GTP diphosphokinase RSH1, chloroplastic; May be involved in a rapid plant ppGpp (guanosine 3'- diphosphate 5'-diphosphate)-mediated response to pathogens and other stresses (By similarity). Unable to functionally complement E.coli relA mutants; Belongs to the RelA/SpoT family. (884 aa) |
| | MIRO2 | Mitochondrial Rho GTPase 2; Calcium-binding mitochondrial GTPase involved in calcium signaling during salt stress response. May play a role in the progression of embryonic cell division, development of haploid male and female gametes, and pollen tube growth. (643 aa) |
| | ARL8D | ADP-ribosylation factor-like protein 8d; May play a role in lysosome motility. May play a role in chromosome segregation. (176 aa) |
| | F4IYM6_ARATH | mRNA capping enzyme family protein. (672 aa) |
| | MEFG2 | Elongation factor G-2, mitochondrial; Mitochondrial GTPase that catalyzes the GTP-dependent ribosomal translocation step during translation elongation. During this step, the ribosome changes from the pre-translocational (PRE) to the post-translocational (POST) state as the newly formed A-site-bound peptidyl-tRNA and P-site-bound deacylated tRNA move to the P and E sites, respectively. Catalyzes the coordinated movement of the two tRNA molecules, the mRNA and conformational changes in the ribosome. (754 aa) |
| | F13I13.7 | Guanylate-binding family protein. (602 aa) |
| | THG2 | tRNA(His) guanylyltransferase 2; Adds a GMP to the 5'-end of tRNA(His) after transcription and RNase P cleavage. (537 aa) |
| | THG1 | tRNA(His) guanylyltransferase 1; Adds a GMP to the 5'-end of tRNA(His) after transcription and RNase P cleavage. (567 aa) |
| | ARFD1A | ADP-ribosylation factor D1A. (190 aa) |
| | ARFD1B | ADP-ribosylation factor D1B. (190 aa) |
| | F12B7.1 | Small ribosomal subunit biogenesis GTPase RsgA 2, mitochondrial; Belongs to the TRAFAC class YlqF/YawG GTPase family. (294 aa) |
| | IAN9 | Immune-associated nucleotide-binding protein 9. (342 aa) |
| | ATOBGM | Probable GTP-binding protein OBGM, mitochondrial; May bind GTP and have GTPase activity; Belongs to the TRAFAC class OBG-HflX-like GTPase superfamily. OBG GTPase family. (493 aa) |
| | DRP5A | Dynamin-related protein 5A; Probable microtubule-associated force-producing protein that is targeted to the forming cell plate during cytokinesis. May play a role in cell division. (817 aa) |
| | XLG2 | Extra-large guanine nucleotide-binding protein 2; Guanine nucleotide-binding proteins (G proteins) are involved as modulators or transducers in various transmembrane signaling systems (By similarity). Binds GTP with specificity. Plays a role in the root morphogenesis by regulation of the cell proliferation. Acts as a positive regulator in resistance to pathogen that triggers the salicylic acid (SA) pathway. Promotes the DNA binding activity of RTV1 specifically to promoter regions of FT and SOC1 in vivo leading to the activation of floral integrator genes. Belongs to the G-alpha family [...] (861 aa) |
| | TUBA5 | Tubulin alpha-5 chain; Tubulin is the major constituent of microtubules. It binds two moles of GTP, one at an exchangeable site on the beta chain and one at a non-exchangeable site on the alpha chain. (450 aa) |
| | TUBA2 | Tubulin alpha-2 chain; Tubulin is the major constituent of microtubules. It binds two moles of GTP, one at an exchangeable site on the beta chain and one at a non-exchangeable site on the alpha chain; Belongs to the tubulin family. (450 aa) |
| | EHD2 | EH domain-containing protein 2; Involved in endocytosis negative regulation, probably by influencing actin organization. Acts in early endocytic membrane fusion and membrane trafficking of recycling endosomes. Exhibits an inhibitory effect on endocytosis when over-expressed. (546 aa) |
| | ATSAR1 | Secretion-associated RAS super family 1; Belongs to the small GTPase superfamily. SAR1 family. (193 aa) |
| | RABH1B | Ras-related protein RABH1b; Protein transport. Regulator of membrane traffic from the Golgi apparatus towards the endoplasmic reticulum (ER). Binds GTP and GDP and possesses intrinsic GTPase activity (By similarity). Belongs to the small GTPase superfamily. Rab family. (208 aa) |
| | CPFTSY | Cell division protein FtsY homolog, chloroplastic; Signal recognition particle receptor protein. Binds GTP specifically. The GTPase activity is inhibited by the N-terminus of the protein until binding to the thylakoid membrane. Activates the GTPase activity of FFC/cpSRP54 when bound to the cpSRP complex. Required for light-harvesting chlorophyll a/b-binding protein (LHCP) integration into thylakoids. Might be also functionally linked to the Sec translocation machinery. (366 aa) |
| | EMB2001 | GTP-binding protein At2g22870. (300 aa) |
| | IAN10 | Immune-associated nucleotide-binding protein 10. (463 aa) |
| | TOC159 | Translocase of chloroplast 159, chloroplastic; GTPase involved in protein precursor import into chloroplasts. Seems to recognize chloroplast-destined precursor proteins and regulate their presentation to the translocation channel through GTP hydrolysis. Required for chloroplast biogenesis. Probably specialized in the import of nuclear encoded photosynthetic preproteins from the cytoplasm to the chloroplast. Belongs to the TRAFAC class TrmE-Era-EngA-EngB-Septin-like GTPase superfamily. AIG1/Toc34/Toc159-like paraseptin GTPase family. TOC159 subfamily. (1503 aa) |
| | ARAC7 | Rac-like GTP-binding protein ARAC7; Acts as a negative regulator of abscisic acid (ABA) responses. (209 aa) |
| | ARAC10 | Rac-like GTP-binding protein ARAC10; Involved in local disassembly of cortical microtubules when associated with ICR5 and KIN13A; Belongs to the small GTPase superfamily. Rho family. (215 aa) |
| | DGP2 | DAR GTPase 2, mitochondrial; GTPase that may function in mitochondrial ribosome assembly (Probable); Belongs to the TRAFAC class YlqF/YawG GTPase family. MTG1 subfamily. (377 aa) |
| | FTSZ2-1 | Cell division protein FtsZ homolog 2-1, chloroplastic; Exhibits GTPase activity. Component of the plastid division machinery that forms a contractile ring at the division site. Required for plastid division in a dose-dependent manner. Belongs to the FtsZ family. (478 aa) |
| | ERG | GTP-binding protein ERG; Has a crucial role in plant growth and development, possibly by influencing mitochondrial division. (437 aa) |
| | ARF2-B | ADP-ribosylation factor 2-B; GTP-binding protein involved in protein trafficking; may modulate vesicle budding and uncoating within the Golgi apparatus. (181 aa) |
| | A1 | Elongation factor 1-alpha 1; This protein promotes the GTP-dependent binding of aminoacyl- tRNA to the A-site of ribosomes during protein biosynthesis. (449 aa) |
| | TUBA1 | Tubulin alpha-1 chain; Tubulin is the major constituent of microtubules. It binds two moles of GTP, one at an exchangeable site on the beta chain and one at a non-exchangeable site on the alpha chain. (450 aa) |
| | TUBB1 | Tubulin beta-1 chain; Tubulin is the major constituent of microtubules. It binds two moles of GTP, one at an exchangeable site on the beta chain and one at a non-exchangeable site on the alpha chain. (447 aa) |
| | TUFA | Elongation factor Tu, chloroplastic; This protein promotes the GTP-dependent binding of aminoacyl- tRNA to the A-site of ribosomes during protein biosynthesis. (476 aa) |
| | GPA1 | Guanine nucleotide-binding protein alpha-1 subunit; Exhibits a fast rate of basal nucleotide exchange. Guanine nucleotide-binding proteins (G proteins) are involved as modulators or transducers in various transmembrane signaling systems. Together with GCR1, may regulate the cell cycle via a signaling cascade that uses phosphatidylinositol-specific phospholipase C (PI-PLC) as an effector and inositol 1,4,5-trisphosphate (IP(3)) as a second messenger. Promotes abscisic acid (ABA) responses in guard cells. But, together with GCR1 and GB1, acts as a negative regulator of ABA during seed ge [...] (383 aa) |
| | RABA5E | Ras-related protein RABA5e; Intracellular vesicle trafficking and protein transport. Belongs to the small GTPase superfamily. Rab family. (218 aa) |
| | TUBB4 | Tubulin beta-4 chain; Tubulin is the major constituent of microtubules. It binds two moles of GTP, one at an exchangeable site on the beta chain and one at a non-exchangeable site on the alpha chain; Belongs to the tubulin family. (444 aa) |
| | RABA1A | Ras-related protein RABA1a; Involved in auxin-mediated response. May be involved in vesicle trafficking of components involved in polar auxin transport. Binds GTP and GDP and possesses intrinsic GTPase activity. (216 aa) |
| | RABE1C | Ras-related protein RABE1c; Involved in membrane trafficking from the Golgi to the plasma membrane; Belongs to the small GTPase superfamily. Rab family. (216 aa) |
| | RABA5C | Ras-related protein RABA5c; Intracellular vesicle trafficking and protein transport. Binds GTP and GDP and possesses intrinsic GTPase activity. (214 aa) |
| | RABD2A | Ras-related protein RABD2a; Protein transport. Regulator of membrane traffic from the Golgi apparatus towards the endoplasmic reticulum (ER). (203 aa) |
| | TUBA6 | Tubulin alpha-6 chain; Tubulin is the major constituent of microtubules. It binds two moles of GTP, one at an exchangeable site on the beta chain and one at a non-exchangeable site on the alpha chain. (450 aa) |
| | TUBB5 | Tubulin beta-5 chain; Tubulin is the major constituent of microtubules. It binds two moles of GTP, one at an exchangeable site on the beta chain and one at a non-exchangeable site on the alpha chain; Belongs to the tubulin family. (449 aa) |
| | TUBB6 | Tubulin beta-6 chain; Tubulin is the major constituent of microtubules. It binds two moles of GTP, one at an exchangeable site on the beta chain and one at a non-exchangeable site on the alpha chain. Belongs to the tubulin family. (449 aa) |
| | TUBB7 | Tubulin beta-7 chain; Tubulin is the major constituent of microtubules. It binds two moles of GTP, one at an exchangeable site on the beta chain and one at a non-exchangeable site on the alpha chain; Belongs to the tubulin family. (449 aa) |
| | TUBB8 | Tubulin beta-8 chain; Tubulin is the major constituent of microtubules. It binds two moles of GTP, one at an exchangeable site on the beta chain and one at a non-exchangeable site on the alpha chain; Belongs to the tubulin family. (449 aa) |
| | TUBB9 | Tubulin beta-9 chain; Tubulin is the major constituent of microtubules. It binds two moles of GTP, one at an exchangeable site on the beta chain and one at a non-exchangeable site on the alpha chain. (444 aa) |
| | RABF2A | Ras-related protein RABF2a; Involved in the trafficking of soluble cargo proteins from the prevacuolar compartment to the central vacuole. Involved in vacuolar transport of storage proteins with EREX as effector. Regulates membrane trafficking to protein storage vacuoles (PSVs); Belongs to the small GTPase superfamily. Rab family. (200 aa) |
| | ARF1 | ADP-ribosylation factor 1; GTP-binding protein involved in protein trafficking; required for the sequence-specific vacuolar sorting route to the lytic vacuole, for the ER-to-Golgi transport and for the Golgi-derived transport to the plasma membrane. Involved in the recruitment of COPI and GDAP1 to membranes. Required for recycling of PIN auxin transporters (e.g. PIN1 and PIN2) in a fungal toxin brefeldin A (BFA)- dependent manner. Involved in various auxin-dependent developmental processes. Belongs to the small GTPase superfamily. Arf family. (181 aa) |
| | SRP-54A | Signal recognition particle 54 kDa protein 1; Binds to the signal sequence of presecretory protein when they emerge from the ribosomes and transfers them to TRAM (translocating chain-associating membrane protein); Belongs to the GTP-binding SRP family. SRP54 subfamily. (479 aa) |
| | FFC | Signal recognition particle 54 kDa protein, chloroplastic; Involved in cotranslational and post-translational sorting of thylakoid proteins. Binds GTP specifically. Activates the GTPase activity of CPFTSY when bound together. Required for light-harvesting chlorophyll a/b-binding protein (LHCP) integration into thylakoids. (564 aa) |
| | TUBG1 | Tubulin gamma-1 chain; Tubulin is the major constituent of microtubules. The gamma chain is found at microtubule organizing centers (MTOC) such as the spindle poles, suggesting that it is involved in the minus-end nucleation of microtubule assembly. (474 aa) |
| | TUBG2 | Tubulin gamma-2 chain; Tubulin is the major constituent of microtubules. The gamma chain is found at microtubule organizing centers (MTOC) such as the spindle poles, suggesting that it is involved in the minus-end nucleation of microtubule assembly. (474 aa) |
| | ARF3-2 | ADP-ribosylation factor 3; GTP-binding protein involved in protein trafficking; may modulate vesicle budding and uncoating within the Golgi apparatus. (182 aa) |
| | RAN1 | GTP-binding nuclear protein Ran-1; GTP-binding protein involved in nucleocytoplasmic transport. Required for the import of protein into the nucleus and also for RNA export. Involved in chromatin condensation and control of cell cycle (By similarity); Belongs to the small GTPase superfamily. Ran family. (221 aa) |
| | RAN2 | GTP-binding nuclear protein Ran-2; GTP-binding protein involved in nucleocytoplasmic transport. Required for the import of protein into the nucleus and also for RNA export. Involved in chromatin condensation and control of cell cycle (By similarity). (221 aa) |
| | DRP1A | Dynamin-related protein 1A; Microtubule-associated force-producing protein that is targeted to the forming cell plate during cytokinesis. Plays also a major role in plasma membrane maintenance and cell wall integrity with implications in vesicular trafficking, polar cell expansion, vascular formation, and other aspects of plant growth and development. Has a GTPase activity. (610 aa) |
| | RIBA1 | Bifunctional riboflavin biosynthesis protein RIBA 1, chloroplastic; Involved in riboflavin biosynthesis. Catalyzes both the conversion of D-ribulose 5-phosphate to formate and 3,4-dihydroxy-2- butanone 4-phosphate and the conversion of GTP to 2,5-diamino-6- ribosylamino-4(3H)-pyrimidinone 5'-phosphate (DARP), formate and pyrophosphate. RIBA2 and RIBA3 together are not able to complement the loss of function of RIBA1; In the N-terminal section; belongs to the DHBP synthase family. (543 aa) |
| | SRP-54B | Signal recognition particle 54 kDa protein 2; Binds to the signal sequence of presecretory protein when they emerge from the ribosomes and transfers them to TRAM (translocating chain-associating membrane protein); Belongs to the GTP-binding SRP family. SRP54 subfamily. (497 aa) |
| | SRP-54C | Signal recognition particle 54 kDa protein 3; Binds to the signal sequence of presecretory protein when they emerge from the ribosomes and transfers them to TRAM (translocating chain-associating membrane protein). (495 aa) |
| | IAN8 | Immune-associated nucleotide-binding protein 8. (353 aa) |
| | RABB1C | Ras-related protein RABB1c; Intracellular vesicle trafficking and protein transport. Belongs to the small GTPase superfamily. Rab family. (211 aa) |
| | ARAC11 | Rac-like GTP-binding protein ARAC11; May be involved in cell polarity control during the actin- dependent tip growth of pollen tubes. May regulate callose synthase 1 (CALS1) activity through the interaction with UGT1. (197 aa) |
| | MUR1 | GDP-mannose 4,6 dehydratase 2; Catalyzes the conversion of GDP-D-mannose to GDP-4-dehydro-6- deoxy-D-mannose; Belongs to the NAD(P)-dependent epimerase/dehydratase family. GDP-mannose 4,6-dehydratase subfamily. (373 aa) |
| | RHD3 | Protein ROOT HAIR DEFECTIVE 3; Probable GTP-binding protein involved in cell wall expansion. Required for appropriate root and root hair cells enlargement. May inhibit vacuole enlargement during root hair cell expansion. Plays a role in cell wall biosynthesis and actin organization. Seems to act independently from auxin and ethylene pathways. May regulate membrane traffic from the Golgi apparatus towards the endoplasmic reticulum (ER). Belongs to the TRAFAC class dynamin-like GTPase superfamily. GB1/RHD3-type GTPase family. RHD3 subfamily. (802 aa) |
| | SAR1B | GTP-binding protein SAR1B; Involved in transport from the endoplasmic reticulum to the Golgi apparatus. (193 aa) |
| | A3 | Elongation factor 1-alpha 3; This protein promotes the GTP-dependent binding of aminoacyl- tRNA to the A-site of ribosomes during protein biosynthesis. (449 aa) |
| | GTG2 | GPCR-type G protein 2; Abscisic acid receptor. The GDP-bound form exhibits greater abscisic acid binding than the GTP-bound form. Required for seedling growth and fertility. Belongs to the Golgi pH regulator (TC 1.A.38) family. (467 aa) |
| | RABA6B | Ras-related protein RABA6b; Intracellular vesicle trafficking and protein transport. Belongs to the small GTPase superfamily. Rab family. (229 aa) |
| | T16K5.80-2 | GTP-binding protein At3g49725, chloroplastic. (620 aa) |
| | TUBA4 | Tubulin alpha-4 chain; Tubulin is the major constituent of microtubules. It binds two moles of GTP, one at an exchangeable site on the beta chain and one at a non-exchangeable site on the alpha chain; Belongs to the tubulin family. (450 aa) |
| | FZL | Probable transmembrane GTPase FZO-like, chloroplastic; Probable membrane-remodeling GTPase that plays a unique role in the in the determination of thylakoid and chloroplast morphology and regulates organization of the thylakoid network. Not involved in the determination of mitochondrial morphology or ultrastructure. Belongs to the TRAFAC class dynamin-like GTPase superfamily. Dynamin/Fzo/YdjA family. Mitofusin subfamily. (912 aa) |
| | RABA1H | Ras-related protein RABA1h; Intracellular vesicle trafficking and protein transport. Belongs to the small GTPase superfamily. Rab family. (218 aa) |
| | ARAC1 | Rac-like GTP-binding protein ARAC1; Inactive GDP-bound Rho GTPases reside in the cytosol, are found in a complex with Rho GDP-dissociation inhibitors (Rho GDIs), and are released from the GDI protein in order to translocate to membranes upon activation. (197 aa) |
| | ARAC2 | Rac-like GTP-binding protein ARAC2; Inactive GDP-bound Rho GTPases reside in the cytosol, are found in a complex with Rho GDP-dissociation inhibitors (Rho GDIs), and are released from the GDI protein in order to translocate to membranes upon activation. (201 aa) |
| | TOC34 | Translocase of chloroplast 34, chloroplastic; GTPase involved in protein precursor import into chloroplasts. Seems to recognize chloroplast-destined precursor proteins and regulate their presentation to the translocation channel through GTP hydrolysis. Probably specialized in the import of nuclear encoded non-photosynthetic preproteins from the cytoplasm to the chloroplast. (313 aa) |
| | ARAC3 | Rac-like GTP-binding protein ARAC3; Inactive GDP-bound Rho GTPases reside in the cytosol, are found in a complex with Rho GDP-dissociation inhibitors (Rho GDIs), and are released from the GDI protein in order to translocate to membranes upon activation. May be involved in cell polarity control during the actin-dependent tip growth of root hairs. SPK1- dependent activation is required for auxin-mediated inhibition of PIN2 internalization during gravitropic responses. (198 aa) |
| | ARAC4 | Rac-like GTP-binding protein ARAC4; Inactive GDP-bound Rho GTPases reside in the cytosol, are found in a complex with Rho GDP-dissociation inhibitors (Rho GDIs), and are released from the GDI protein in order to translocate to membranes upon activation (By similarity). May be involved in cell polarity control during the actin-dependent tip growth of root hairs. May regulate a WAVE complex that activates the Arp2/3 complex. (195 aa) |
| | GB1-2 | GTP-binding protein ATGB1; Belongs to the small GTPase superfamily. Arf family. (205 aa) |
| | XLG1 | Extra-large guanine nucleotide-binding protein 1; Guanine nucleotide-binding proteins (G proteins) are involved as modulators or transducers in various transmembrane signaling systems (By similarity). Binds GTP with specificity. Plays a role in the root morphogenesis by regulation of the cell proliferation. (888 aa) |
| | ARAC5 | Rac-like GTP-binding protein ARAC5; May be involved in cell polarity control during the actin- dependent tip growth of root hairs; Belongs to the small GTPase superfamily. Rho family. (196 aa) |
| | CNX2 | GTP 3',8-cyclase, mitochondrial; Catalyzes the cyclization of GTP to (8S)-3',8-cyclo-7,8- dihydroguanosine 5'-triphosphate; Belongs to the radical SAM superfamily. MoaA family. (390 aa) |
| | RABA1B | Ras-related protein RABA1b; Intracellular vesicle trafficking and protein transport. Belongs to the small GTPase superfamily. Rab family. (216 aa) |
| | T14P4.21 | Ras-related small GTP-binding family protein. (122 aa) |
| | FTSZ1 | Cell division protein FtsZ homolog 1, chloroplastic; Exhibits GTPase activity. Component of the plastid division machinery that forms a contractile ring at the division site. Required for plastid division in a dose-dependent manner. Involved in blue light-induced chloroplast movements. May regulate thylakoid development. Belongs to the FtsZ family. (433 aa) |
| | rsgA | Small ribosomal subunit biogenesis GTPase RsgA 1, mitochondrial; One of several proteins that assist in the late maturation steps of the functional core of the 30S ribosomal subunit. Helps release RbfA from mature subunits. May play a role in the assembly of ribosomal proteins into the subunit. Circularly permuted GTPase that catalyzes slow GTP hydrolysis, GTPase activity is stimulated by the 30S ribosomal subunit (By similarity). Required for embryo development. (433 aa) |
| | TUBA3 | Tubulin alpha-3 chain; Tubulin is the major constituent of microtubules. It binds two moles of GTP, one at an exchangeable site on the beta chain and one at a non-exchangeable site on the alpha chain. (450 aa) |
| | QQT1 | GPN-loop GTPase QQT1; Small GTPase that is essential for the correct formation of the tangential divisions in early embryos. Associates with microtubule during mitosis and may function in the positioning of the division plane. May participate in the patterning of the early embryo at the octant-dermatogen transition. Is crucial for normal development of the plant. (298 aa) |
| | TUBB2 | Tubulin beta-2 chain; Tubulin is the major constituent of microtubules. It binds two moles of GTP, one at an exchangeable site on the beta chain and one at a non-exchangeable site on the alpha chain; Belongs to the tubulin family. (450 aa) |
| | NOA1 | NO-associated protein 1, chloroplastic/mitochondrial; Exhibits cGTPase activity; binds and hydrolyzes specifically GTP. May participate in ribosome assembly and stability and thus regulates protein synthesis in chloroplasts. The GTPase activity requires MgCl(2)and the presence of either KCl or (NH(4))(2)SO(4). Involved in the post-transcriptional regulation of the methylerythritol phosphate (MEP) pathway. Involved in chlorophyll-a fluorescence regulation; Belongs to the TRAFAC class YlqF/YawG GTPase family. NOA1 subfamily. (561 aa) |
| | F28K19.23 | tRNA modification GTPase; Belongs to the TRAFAC class TrmE-Era-EngA-EngB-Septin-like GTPase superfamily. TrmE GTPase family. (560 aa) |
| | ARFA1F | Similar to ADP-ribosylation factor gb|AAD17207; Belongs to the small GTPase superfamily. Arf family. (181 aa) |
| | RIBA2 | Monofunctional riboflavin biosynthesis protein RIBA 2, chloroplastic; Involved in riboflavin biosynthesis. Catalyzes the conversion of D-ribulose 5-phosphate to formate and 3,4-dihydroxy-2-butanone 4- phosphate. RIBA2 and RIBA3 together are not able to complement the loss of function of RIBA1; In the N-terminal section; belongs to the DHBP synthase family. (476 aa) |
| | TOC90 | Translocase of chloroplast 90, chloroplastic; GTPase involved in protein precursor import into chloroplasts. Seems to recognize chloroplast-destined precursor proteins and regulate their presentation to the translocation channel through GTP hydrolysis. Probably specialized in the import of nuclear encoded photosynthetic preproteins from the cytoplasm to the chloroplast. (793 aa) |
| | ARC5 | Dynamin-like protein ARC5; Probable GTPase component of both plastid and peroxisme division machinery. Required for the last steps of plastid division specifically in mesophyll-cell, when the narrow isthmus breaks, facilitating the separation of the daughter plastids. Necessary for peroxisome activities. Seems to influence stromule (stroma-filled tubular extensions of the plastid envelope membrane) length and frequency. Belongs to the TRAFAC class dynamin-like GTPase superfamily. Dynamin/Fzo/YdjA family. (777 aa) |
| | CRSH | Probable GTP diphosphokinase CRSH, chloroplastic; Possesses calcium-dependent ppGpp (guanosine 3'-diphosphate 5'-diphosphate) synthetase activity in vitro and is able to functionally complement E.coli relA mutants. Plays an important role in the timing adjustment of pistil and pollen maturation required for successful pollination. May be involved in a rapid plant ppGpp-mediated response to pathogens and other stresses; Belongs to the RelA/SpoT family. (583 aa) |
| | DRP1B | Dynamin-related protein 1B; Putative microtubule-associated force-producing protein. Belongs to the TRAFAC class dynamin-like GTPase superfamily. Dynamin/Fzo/YdjA family. (610 aa) |
| | T10O8.2 | mRNA capping enzyme family protein. (657 aa) |
| | A4 | Elongation factor 1-alpha 4; This protein promotes the GTP-dependent binding of aminoacyl- tRNA to the A-site of ribosomes during protein biosynthesis; Belongs to the TRAFAC class translation factor GTPase superfamily. Classic translation factor GTPase family. EF-Tu/EF-1A subfamily. (449 aa) |
| | RAN3 | GTP-binding nuclear protein Ran-3; GTP-binding protein involved in nucleocytoplasmic transport. Required for the import of protein into the nucleus and also for RNA export. Involved in chromatin condensation and control of cell cycle (By similarity); Belongs to the small GTPase superfamily. Ran family. (221 aa) |
| | DGP3 | DAR GTPase 3, chloroplastic; GTPase that may function in chloroplast ribosome assembly (Probable); Belongs to the TRAFAC class YlqF/YawG GTPase family. (372 aa) |
| | F17I23.90 | Probable mannose-1-phosphate guanylyltransferase 3; Catalyzes a reaction of the Smirnoff-Wheeler pathway, the major route to ascorbate biosynthesis in plants. (331 aa) |
| | SIN2 | Short integuments 2, mitochondrial; GTPase that may function in mitochondrial ribosome assembly (Probable). Involved in a variety of growth processes during vegetative development and promotes growth and cell division in the developing integuments. Belongs to the TRAFAC class YlqF/YawG GTPase family. MTG1 subfamily. (386 aa) |
| | OBGL | GTP-binding protein OBGC, chloroplastic; GTP-binding protein involved in membrane biogenesis and protein synthesis in chloroplast. Functions in the biogenesis of thylakoid membrane and plastid ribosome during chloroplast development. May be involved in the vesicular traffic between the chloroplast inner envelope membrane and thylakoids. Possesses GTPase activity in vitro. (681 aa) |
| | DRP1C | Dynamin-related protein 1C; Microtubule-associated force-producing protein that is targeted to the growing edges of the cell plate during cytokinesis. Plays also a major role in plasma membrane maintenance during pollen maturation; Belongs to the TRAFAC class dynamin-like GTPase superfamily. Dynamin/Fzo/YdjA family. (614 aa) |
| | DRP3B | Dynamin-related protein 3B; Involved in the control of mitochondrial and peroxisomal division and morphology. (780 aa) |
| | MIRO1 | Mitochondrial Rho GTPase 1; Mitochondrial GTPase required to maintain proper development, morphology and intracellular distribution of mitochondria, which in turn are essential for the progress of embryonic cell division, development of haploid male and female gametes, and pollen tube growth. (648 aa) |
| | DRP1D | Dynamin-related protein 1D; Putative microtubule-associated force-producing protein. (612 aa) |
| | DRP3A | Dynamin-related protein 3A; Involved in the control of mitochondrial and peroxisomal division and morphology. In association with PEX11C, PEX11D, PEX11E and FIS1B, is involved in cell cycle-associated constitutive self- replication of preexisting peroxisomes. Belongs to the TRAFAC class dynamin-like GTPase superfamily. Dynamin/Fzo/YdjA family. (808 aa) |
| | ARL8A | ADP-ribosylation factor-like protein 8a; May play a role in lysosome motility. May play a role in chromosome segregation. (184 aa) |
| | UKL3 | Putative uracil phosphoribosyltransferase; Involved in the pyrimidine salvage pathway. The uracil phosphoribosyltransferase (UPRT) activity, that catalyzes the conversion of uracil and 5-phospho-alpha-D-ribose 1-diphosphate (PRPP) to UMP and diphosphate, is unsure; In the C-terminal section; belongs to the UPRTase family. (466 aa) |
| | Q8VYP7_ARATH | Ras-related small GTP-binding family protein; Belongs to the small GTPase superfamily. SAR1 family. (193 aa) |
| | K1F13.13 | GTPase ERA-like, chloroplastic; Nuclear genome-encoded probable GTPase involved in ribosome biogenesis in chloroplasts. Plays a role in 16S rRNA maturation in plastids and may contribute to the assembly of the small (30S) ribosomal subunit. (427 aa) |
| | T20K18.140 | GPN-loop GTPase 3; Small GTPase required for proper nuclear import of RNA polymerase II and III (RNAPII and RNAPIII). May act at an RNAP assembly step prior to nuclear import; Belongs to the GPN-loop GTPase family. (271 aa) |
| | ARL8C | ADP-ribosylation factor-like protein 8c; May play a role in lysosome motility. May play a role in chromosome segregation. (184 aa) |
| | A2 | Elongation factor 1-alpha 2; This protein promotes the GTP-dependent binding of aminoacyl- tRNA to the A-site of ribosomes during protein biosynthesis; Belongs to the TRAFAC class translation factor GTPase superfamily. Classic translation factor GTPase family. EF-Tu/EF-1A subfamily. (449 aa) |
| | BPG2 | GTP-binding protein BRASSINAZOLE INSENSITIVE PALE GREEN 2, chloroplastic; Required for brassinosteroid- (BR) mediated post- transcriptional and translational regulation in the chloroplast, including accumulation of chloroplast rRNA. Involved in chloroplast differentiation. (660 aa) |
| | QQT2 | GPN-loop GTPase QQT2; Small GTPase that is essential for the correct formation of the tangential divisions in early embryos. Associates with microtubule during mitosis and may function in the positioning of the division plane. May participate in the patterning of the early embryo at the octant-dermatogen transition. (379 aa) |
| | ARL8B | ADP-ribosylation factor-like protein 8b; May play a role in lysosome motility. May play a role in chromosome segregation. (184 aa) |
| | RABG1 | Ras-related protein RABG1; Intracellular vesicle trafficking and protein transport. Belongs to the small GTPase superfamily. Rab family. (204 aa) |
| | RABG3A | Ras-related protein RABG3a; Intracellular vesicle trafficking and protein transport. (206 aa) |
| | EHD1 | EH domain-containing protein 1; Involved in endocytosis positive regulation. Acts in early endocytic membrane fusion and membrane trafficking of recycling endosomes. Confers salt tolerance. (545 aa) |
| | RABA2C | Ras-related protein RABA2c; Intracellular vesicle trafficking and protein transport. (217 aa) |
| | PURA | Adenylosuccinate synthetase, chloroplastic; Plays an important role in the de novo pathway and in the salvage pathway of purine nucleotide biosynthesis. Catalyzes the first committed step in the biosynthesis of AMP from IMP; Belongs to the adenylosuccinate synthetase family. (490 aa) |
| | TUBB3 | Tubulin beta-3 chain; Tubulin is the major constituent of microtubules. It binds two moles of GTP, one at an exchangeable site on the beta chain and one at a non-exchangeable site on the alpha chain; Belongs to the tubulin family. (450 aa) |
| | LOS1 | Elongation factor 2; Catalyzes the GTP-dependent ribosomal translocation step during translation elongation. During this step, the ribosome changes from the pre-translocational (PRE) to the post-translocational (POST) state as the newly formed A-site-bound peptidyl-tRNA and P-site-bound deacylated tRNA move to the P and E sites, respectively. Catalyzes the coordinated movement of the two tRNA molecules, the mRNA and conformational changes in the ribosome (By similarity). Involved in cold responses leading to freezing tolerance via the induction of cold- responsive genes. Belongs to the [...] (843 aa) |
| | XLG3 | Extra-large guanine nucleotide-binding protein 3; Guanine nucleotide-binding proteins (G proteins) are involved as modulators or transducers in various transmembrane signaling systems (By similarity). Binds GTP with specificity. Plays a role in the root morphogenesis by regulation of the cell proliferation. Acts with GB1 in the positive regulation of root waving and root skewing; Belongs to the G-alpha family. XLG subfamily. (848 aa) |
| | LIP1-3 | Small GTPase LIP1; Functional small GTPase that acts as a negative factor controlling the light-dependent period shortening of circadian rhythms and light-induced phase resetting during the subjective night. May protect the clock from excessive or mistimed light. Suppresses red and blue light-mediated photomorphogenesis and is required for light-controlled inhibition of endoreplication and tolerance to salt stress. The entrainment of the circadian clock is independent from the other pleiotropic effects. Could be a regulator of seedling establishment. (342 aa) |
| | MEFG1 | Elongation factor G-1, mitochondrial; Mitochondrial GTPase that catalyzes the GTP-dependent ribosomal translocation step during translation elongation. During this step, the ribosome changes from the pre-translocational (PRE) to the post-translocational (POST) state as the newly formed A-site-bound peptidyl-tRNA and P-site-bound deacylated tRNA move to the P and E sites, respectively. Catalyzes the coordinated movement of the two tRNA molecules, the mRNA and conformational changes in the ribosome. Belongs to the TRAFAC class translation factor GTPase superfamily. Classic translation fa [...] (754 aa) |
| | F8A12.14 | Nucleolar GTP-binding protein 1; Involved in the biogenesis of the 60S ribosomal subunit. Belongs to the TRAFAC class OBG-HflX-like GTPase superfamily. OBG GTPase family. NOG subfamily. (671 aa) |
| | RABG3D | Ras-related protein RABG3d; Intracellular vesicle trafficking and protein transport. Belongs to the small GTPase superfamily. Rab family. (206 aa) |
| | T15P17.7 | Probable eukaryotic translation initiation factor 5-1; Catalyzes the hydrolysis of GTP bound to the 40S ribosomal initiation complex (40S.mRNA.Met-tRNA[F].eIF-2.GTP) with the subsequent joining of a 60S ribosomal subunit resulting in the release of eIF-2 and the guanine nucleotide. The subsequent joining of a 60S ribosomal subunit results in the formation of a functional 80S initiation complex (80S.mRNA.Met-tRNA[F]) (By similarity). (439 aa) |
| | IAN1 | Immune-associated nucleotide-binding protein 1. (225 aa) |
| | IAN2 | Immune-associated nucleotide-binding protein 2; Belongs to the TRAFAC class TrmE-Era-EngA-EngB-Septin-like GTPase superfamily. AIG1/Toc34/Toc159-like paraseptin GTPase family. IAN subfamily. (234 aa) |
| | IAN3 | Immune-associated nucleotide-binding protein 3. (334 aa) |
| | IAN4 | Immune-associated nucleotide-binding protein 4; Belongs to the TRAFAC class TrmE-Era-EngA-EngB-Septin-like GTPase superfamily. AIG1/Toc34/Toc159-like paraseptin GTPase family. IAN subfamily. (326 aa) |
| | IAN5 | Immune-associated nucleotide-binding protein 5; Belongs to the TRAFAC class TrmE-Era-EngA-EngB-Septin-like GTPase superfamily. AIG1/Toc34/Toc159-like paraseptin GTPase family. IAN subfamily. (301 aa) |
| | IAN6 | Immune-associated nucleotide-binding protein 6; Belongs to the TRAFAC class TrmE-Era-EngA-EngB-Septin-like GTPase superfamily. AIG1/Toc34/Toc159-like paraseptin GTPase family. IAN subfamily. (336 aa) |
| | IAN7 | Immune-associated nucleotide-binding protein 7. (311 aa) |
| | NUG2 | Nuclear/nucleolar GTPase 2; GTPase involved in pre-60S ribosomal subunit maturation. (576 aa) |
| | RABA6A | Ras-related protein RABA6a; Intracellular vesicle trafficking and protein transport. Belongs to the small GTPase superfamily. Rab family. (233 aa) |
| | DRG2 | Developmentally-regulated G-protein 2; Binds GDP and GTP, and has low GTPase activity. (399 aa) |
| | RABF1 | Ras-related protein RABF1; Endosomal protein probably involved in endocytosis. Probably not involved in vacuolar trafficking. (202 aa) |
| | RABA4C | Ras-related protein RABA4c; Intracellular vesicle trafficking and protein transport. Belongs to the small GTPase superfamily. Rab family. (223 aa) |
| | RABA5A | Ras-related protein RABA5a; Intracellular vesicle trafficking and protein transport. Belongs to the small GTPase superfamily. Rab family. (221 aa) |
| | RABA2D | Ras-related protein RABA2d; Intracellular vesicle trafficking and protein transport. (217 aa) |
| | TRN1-2 | Protein TORNADO 1; Involved in the basipetal transport of auxin (IAA) that modulates growth and organs organization. Required for initial divisions in the epidermal/lateral root cap leading to the formation of epidermal cells and a clone of lateral root cap cells, as well as for the maintenance of the radial pattern of cell specification in the root, thus regulating the distinction between the lateral root cap and epidermis. (1380 aa) |
| | RABA1F | Ras-related protein RABA1f; Intracellular vesicle trafficking and protein transport. Belongs to the small GTPase superfamily. Rab family. (217 aa) |
| | MTI20.22 | GTP-binding protein, HflX. (540 aa) |
| | RABA4A | Ras-related protein RABA4a; Intracellular vesicle trafficking and protein transport. (226 aa) |
| | RABA1C | Ras-related protein RABA1c; Intracellular vesicle trafficking and protein transport. (216 aa) |
| | RL2-2 | Protein ROOT HAIR DEFECTIVE 3 homolog 2; Probable GTP-binding protein that may be involved in cell development. (834 aa) |
| | UKL1 | Uridine kinase-like protein 1, chloroplastic; Involved in the pyrimidine salvage pathway. The uracil phosphoribosyltransferase (UPRT) activity, that catalyzes the conversion of uracil and 5-phospho-alpha-D-ribose 1-diphosphate (PRPP) to UMP and diphosphate, is unsure; In the N-terminal section; belongs to the uridine kinase family. (486 aa) |
| | MYH19.60 | Translation factor GUF1 homolog, mitochondrial; Promotes mitochondrial protein synthesis. May act as a fidelity factor of the translation reaction, by catalyzing a one-codon backward translocation of tRNAs on improperly translocated ribosomes. Binds to mitochondrial ribosomes in a GTP-dependent manner. Belongs to the TRAFAC class translation factor GTPase superfamily. Classic translation factor GTPase family. LepA subfamily. (663 aa) |
| | RAN4 | GTP-binding nuclear protein Ran-4; GTP-binding protein involved in nucleocytoplasmic transport. Required for the import of protein into the nucleus and also for RNA export. Involved in chromatin condensation and control of cell cycle (By similarity). (222 aa) |
| | RIBA3 | Monofunctional riboflavin biosynthesis protein RIBA 3, chloroplastic; Involved in riboflavin biosynthesis. Catalyzes the conversion of GTP to 2,5-diamino-6-ribosylamino-4(3H)-pyrimidinone 5'-phosphate (DARP), formate and pyrophosphate. RIBA2 and RIBA3 together are not able to complement the loss of function of RIBA1. In the C-terminal section; belongs to the GTP cyclohydrolase II family. (509 aa) |
| | T2K12.1 | Translation factor GUF1 homolog, chloroplastic; Promotes chloroplast protein synthesis. May act as a fidelity factor of the translation reaction, by catalyzing a one-codon backward translocation of tRNAs on improperly translocated ribosomes. (681 aa) |
| | DRP1E | Dynamin-related protein 1E; Microtubule-associated force-producing protein that is targeted to the tubulo-vesicular network of the forming cell plate during cytokinesis. Plays also a major role in plasma membrane maintenance and cell wall integrity with an implication in vesicular trafficking, polar cell expansion, and other aspects of plant growth and development; Belongs to the TRAFAC class dynamin-like GTPase superfamily. Dynamin/Fzo/YdjA family. (624 aa) |
| | RABD2B | Ras-related protein RABD2b; Protein transport. Regulator of membrane traffic from the Golgi apparatus towards the endoplasmic reticulum (ER) (By similarity). Belongs to the small GTPase superfamily. Rab family. (202 aa) |
| | ARFB1B | ADP-ribosylation factor-like protein; Belongs to the small GTPase superfamily. Arf family. (192 aa) |
| | RABH1E | Ras-related protein RABH1e; Protein transport. Regulator of membrane traffic from the Golgi apparatus towards the endoplasmic reticulum (ER) (By similarity). Belongs to the small GTPase superfamily. Rab family. (207 aa) |
| | RABA4D | Ras-related protein RABA4d; Intracellular vesicle trafficking and protein transport. Plays an important role in the regulation of pollen tube tip growth. (222 aa) |
| | ARFC1 | ADP-ribosylation factor, putative; Belongs to the small GTPase superfamily. Arf family. (183 aa) |
| | UKL2 | Uridine kinase-like protein 2, chloroplastic; Involved in the pyrimidine salvage pathway. The uracil phosphoribosyltransferase (UPRT) activity, that catalyzes the conversion of uracil and 5-phospho-alpha-D-ribose 1-diphosphate (PRPP) to UMP and diphosphate, is unsure; In the C-terminal section; belongs to the UPRTase family. (483 aa) |
| | RABA1G | Ras-related protein RABA1g; Intracellular vesicle trafficking and protein transport. Belongs to the small GTPase superfamily. Rab family. (217 aa) |
| | CLO | 110 kDa U5 small nuclear ribonucleoprotein component CLO; Splicing factor involved in pre-mRNA splicing and component of the spliceosome. Essential for reproduction. In female gametophyte, is necessary for the egg cell and central cell fate determination and hence reproductive success. Involved in a mechanism that prevents accessory cells from adopting gametic cell fate. Is necessary to restrict LIS expression to interfere with egg-cell specification. Probable component of U5 small nuclear ribonucleoprotein (snRNP) that is required for pre-mRNA splicing. Plays an essential role in fema [...] (987 aa) |
| | RABA3 | Ras-related protein RABA3; Intracellular vesicle trafficking and protein transport. (237 aa) |
| | RABA2B | Ras-related protein RABA2b; Intracellular vesicle trafficking and protein transport. (214 aa) |
| | DRP2B | Dynamin-2B; Putative microtubule-associated force-producing protein, able to bind and hydrolyze GTP. (920 aa) |
| | ARF2-A | ADP-ribosylation factor 2-A; GTP-binding protein involved in protein trafficking; may modulate vesicle budding and uncoating within the Golgi apparatus. (181 aa) |
| | DRG1 | Developmentally-regulated G-protein 1; Binds GDP and GTP, and has low GTPase activity. May interact with phosphatidic acid (PA). (399 aa) |
| | RABG3F | Ras-related protein RABG3f; Essential for trafficking from prevacuolar compartments to vacuoles. Involved in the trafficking of newly synthesized protein to vacuoles. Essential for plant growth. Participates in the recruitment of the core retromer components to the endosomal membrane by interacting with VPS35A. (206 aa) |
| | VPS9A | Vacuolar protein sorting-associated protein 9A; Functions as guanine nucleotide exchange factor (GEF) for Rab small GTPases. Activates specifically RABF1, RABF2A and RABF2B proteins. Required for early stages of embryogenesis, cytokinesis, embryogenesis, and organ development. Is essential for the establishment or maintenance of the polar localization of the auxin efflux carrier PIN1. (520 aa) |
| | UKL5 | Probable uracil phosphoribosyltransferase; Involved in the pyrimidine salvage pathway; In the C-terminal section; belongs to the UPRTase family. (465 aa) |
| | TOC120 | Translocase of chloroplast 120, chloroplastic; GTPase involved in protein precursor import into chloroplasts. Seems to recognize chloroplast-destined precursor proteins and regulate their presentation to the translocation channel through GTP hydrolysis. Probably specialized in the import of nuclear encoded non-photosynthetic preproteins from the cytoplasm to the chloroplast; Belongs to the TRAFAC class TrmE-Era-EngA-EngB-Septin-like GTPase superfamily. AIG1/Toc34/Toc159-like paraseptin GTPase family. TOC159 subfamily. (1089 aa) |
| | RABH1A | Ras-related protein RABH1a; Protein transport. Regulator of membrane traffic from the Golgi apparatus towards the endoplasmic reticulum (ER) (By similarity). (206 aa) |
| | RSH2 | Probable GTP diphosphokinase RSH2, chloroplastic; Possesses ppGpp (guanosine 3'-diphosphate 5'-diphosphate) synthetase activity in vitro and is able to functionally complement E.coli relA mutants. May be involved in a rapid plant ppGpp-mediated response to pathogens and other stresses. (709 aa) |
| | RABG3C | Ras-related protein RABG3c; Intracellular vesicle trafficking and protein transport. Belongs to the small GTPase superfamily. Rab family. (206 aa) |
| | FTSZ2-2 | Cell division protein FtsZ homolog 2-2, chloroplastic; Exhibits GTPase activity (By similarity). Component of the plastid division machinery that forms a contractile ring at the division site. (473 aa) |
| | ARFA1B | ADP-ribosylation factor-like protein; Belongs to the small GTPase superfamily. Arf family. (188 aa) |
| | RABE1D | Ras-related protein RABE1d; Involved in membrane trafficking from the Golgi to the plasma membrane; Belongs to the small GTPase superfamily. Rab family. (216 aa) |
| | T17J13.250 | ADP-ribosylation factor-like protein; Belongs to the small GTPase superfamily. Arf family. (181 aa) |
| | T22E16.250 | Probable mannose-1-phosphate guanylyltransferase 2; Catalyzes a reaction of the Smirnoff-Wheeler pathway, the major route to ascorbate biosynthesis in plants. (364 aa) |
| | UPP | Uracil phosphoribosyltransferase, chloroplastic; Uracil phosphoribosyltransferase (UPRT) that catalyzes the conversion of uracil and 5-phospho-alpha-D-ribose 1-diphosphate (PRPP) to UMP and diphosphate. Is probably the only functional UPRT, since the dual-domain proteins of the UKL family seem to lack this activity. (296 aa) |
| | NSN1 | Guanine nucleotide-binding protein-like NSN1; Involved in the differentiation of epidermal cells, probably via the regulation of the expression of meristem-related genes (e.g. CLV3, STM, KNAT1, CUC2 and AG) and of leaf polarity-related genes (e.g. YAB5, FIL, AS2, PHB and PHV). May play a role in regulating cellular proliferation (By similarity). Necessary for flower development, probably by preventing apical dominance through the down-regulation of AG expression. Required for embryogenesis, leaf and cotyledon development, as well as for leaf polarity establishment. Plays an important r [...] (582 aa) |
| | ARFB1C | Putative ADP-ribosylation factor; Belongs to the small GTPase superfamily. Arf family. (192 aa) |
| | MIRO3 | Mitochondrial Rho GTPase 3; Mitochondrial GTPase that may be involved in mitochondrion development; Belongs to the mitochondrial Rho GTPase family. (648 aa) |
| | RABA1I | Ras-related protein RABA1i; Intracellular vesicle trafficking and protein transport. Belongs to the small GTPase superfamily. Rab family. (218 aa) |
| | F28K19.5 | Probable eukaryotic translation initiation factor 5-2; Catalyzes the hydrolysis of GTP bound to the 40S ribosomal initiation complex (40S.mRNA.Met-tRNA[F].eIF-2.GTP) with the subsequent joining of a 60S ribosomal subunit resulting in the release of eIF-2 and the guanine nucleotide. The subsequent joining of a 60S ribosomal subunit results in the formation of a functional 80S initiation complex (80S.mRNA.Met-tRNA[F]) (By similarity); Belongs to the eIF-2-beta/eIF-5 family. (437 aa) |
| | F26C17.2 | mRNA capping enzyme family protein. (625 aa) |
| | YchF1 | Obg-like ATPase 1; Hydrolyzes ATP, and can also hydrolyze GTP with lower efficiency. Has lower affinity for GTP (Potential). Exhibits GTPase activity (By similarity). Confers sensitivity to salinity stress by suppressing the anti-oxidation enzymatic activities and increasing lipid peroxidation thus leading to the accumulation of reactive oxygen species (ROS). Acts as negative regulator of disease resistance against bacterial pathogen. (394 aa) |
| | ARAC6 | Rac-like GTP-binding protein ARAC6; May be involved in cell polarity control during the actin- dependent tip growth of pollen tubes; Belongs to the small GTPase superfamily. Rho family. (197 aa) |
| | DRP2A | Dynamin-2A; Microtubule-associated force-producing protein involved in clathrin-mediated vesicle trafficking from the trans-Golgi network to the central vacuole. Able to bind and hydrolyze GTP. Binds specifically to phosphatidylinositol 3-phosphate (PtdIns3P). Belongs to the TRAFAC class dynamin-like GTPase superfamily. Dynamin/Fzo/YdjA family. (914 aa) |
| | RABD2C | Ras-related protein RABD2c; Protein transport. Regulator of membrane traffic from the Golgi apparatus towards the endoplasmic reticulum (ER) (By similarity). Belongs to the small GTPase superfamily. Rab family. (202 aa) |
| | RABE1E | Ras-related protein RABE1e; Involved in membrane trafficking from the Golgi to the plasma membrane. (218 aa) |
| | RABC2B | Ras-related protein RABC2b; Intracellular vesicle trafficking and protein transport. Belongs to the small GTPase superfamily. Rab family. (205 aa) |
| | GCH1 | GTP cyclohydrolase 1; GTP cyclohydrolase 1 is the first enzyme in the biosynthetic pathway leading to folic acid. (466 aa) |
| | FUG1 | Translation initiation factor IF-2, chloroplastic; One of the essential components for the initiation of protein synthesis. Protects formylmethionyl-tRNA from spontaneous hydrolysis and promotes its binding to the 30S ribosomal subunits. Also involved in the hydrolysis of GTP during the formation of the 70S ribosomal complex (By similarity); Belongs to the TRAFAC class translation factor GTPase superfamily. Classic translation factor GTPase family. IF-2 subfamily. (1026 aa) |
| | LSG1-1 | GTPase LSG1-1; GTPase that might be redundant with LSG1-2 for ribosome biogenesis (Probable). Binds to 23S rRNA. Belongs to the TRAFAC class YlqF/YawG GTPase family. (537 aa) |
| | ARFB1A | Probable ADP-ribosylation factor At2g15310; GTP-binding protein involved in protein trafficking; may modulate vesicle budding and uncoating within the Golgi apparatus. Belongs to the small GTPase superfamily. Arf family. (205 aa) |
| | CPEFG | Elongation factor G, chloroplastic; Chloroplast-localized elongation factor EF-G involved in protein synthesis in plastids. Catalyzes the GTP-dependent ribosomal translocation step during translation elongation. During this step, the ribosome changes from the pre-translocational (PRE) to the post- translocational (POST) state as the newly formed A-site-bound peptidyl- tRNA and P-site-bound deacylated tRNA move to the P and E sites, respectively. Catalyzes the coordinated movement of the two tRNA molecules, the mRNA and conformational changes in the ribosome. Required for the eoplasts r [...] (783 aa) |
| | RABH1D | Ras-related protein RABH1d; Protein transport. Regulator of membrane traffic from the Golgi apparatus towards the endoplasmic reticulum (ER) (By similarity). Belongs to the small GTPase superfamily. Rab family. (207 aa) |
| | RABA5D | Ras-related protein RABA5d; Intracellular vesicle trafficking and protein transport. Belongs to the small GTPase superfamily. Rab family. (219 aa) |
| | RABG2 | Ras-related protein RABG2; Intracellular vesicle trafficking and protein transport. (212 aa) |
| | LSG1-2 | GTPase LSG1-2; GTPase involved in ribosome biogenesis (Probable). Binds to 23S rRNA and associates with 60S pre-ribosomes. Involved in early cotyledon and leaf development. Belongs to the TRAFAC class YlqF/YawG GTPase family. (589 aa) |
| | TOC132 | Translocase of chloroplast 132, chloroplastic; GTPase involved in protein precursor import into chloroplasts. Seems to recognize chloroplast-destined precursor proteins and regulate their presentation to the translocation channel through GTP hydrolysis. Probably specialized in the import of nuclear encoded non-photosynthetic preproteins from the cytoplasm to the chloroplast. (1206 aa) |
| | RABA4B | Ras-related protein RABA4b; Regulator of membrane trafficking. May be required for secretion of cell wall components in cells; Belongs to the small GTPase superfamily. Rab family. (224 aa) |
| | RABH1C | Ras-related protein RABH1c; Protein transport. Regulator of membrane traffic from the Golgi apparatus towards the endoplasmic reticulum (ER) (By similarity). (214 aa) |
| | RABA1D | Ras-related protein RABA1d; Intracellular vesicle trafficking and protein transport. (214 aa) |
| | RABF2B | Ras-related protein RABF2b; Endosomal protein that may be involved in endocytosis. Involved in the trafficking of proteins from prevacuolar compartments (PVCs) to vacuoles. May activate the MON1-CCZ1 complex which acts as guanine nucleotide exchange factors (GEF) for Rab7 protein family, and serves as a link between Rab5 and Rab7 families in PVCs, and mediates PVC maturation. Involved in vacuolar transport of storage proteins with EREX as effector. Regulates membrane trafficking to protein storage vacuoles (PSVs). Belongs to the small GTPase superfamily. Rab family. (200 aa) |
| | RABA5B | Ras-related protein RABA5b; Intracellular vesicle trafficking and protein transport. Belongs to the small GTPase superfamily. Rab family. (217 aa) |
| | F3N23.16 | Protein ROOT HAIR DEFECTIVE 3 homolog 1; Probable GTP-binding protein that may be involved in cell development. (795 aa) |
| | ARAC8 | Rac-like GTP-binding protein ARAC8; Acts as a negative regulator of abscisic acid (ABA) responses; Belongs to the small GTPase superfamily. Rho family. (208 aa) |
| | DRG3 | Developmentally-regulated G-protein 3; Binds GDP and GTP, and has low GTPase activity in vitro. (369 aa) |
| | RSH3 | Probable GTP diphosphokinase RSH3, chloroplastic; Possesses ppGpp (guanosine 3'-diphosphate 5'-diphosphate) synthetase activity in vitro and is able to functionally complement E.coli relA mutants. May be involved in a rapid plant ppGpp-mediated response to pathogens and other stresses. (715 aa) |
| | IAN11 | Immune-associated nucleotide-binding protein 11; Belongs to the TRAFAC class TrmE-Era-EngA-EngB-Septin-like GTPase superfamily. AIG1/Toc34/Toc159-like paraseptin GTPase family. IAN subfamily. (335 aa) |
| | IAN12 | Immune-associated nucleotide-binding protein 12; Belongs to the TRAFAC class TrmE-Era-EngA-EngB-Septin-like GTPase superfamily. AIG1/Toc34/Toc159-like paraseptin GTPase family. IAN subfamily. (394 aa) |
| | IAN13 | Immune-associated nucleotide-binding protein 13. (336 aa) |
| | ARAC9 | Rac-like GTP-binding protein ARAC9; Inactive GDP-bound Rho GTPases reside in the cytosol, are found in a complex with Rho GDP-dissociation inhibitors (Rho GDIs), and are released from the GDI protein in order to translocate to membranes upon activation. (209 aa) |
| | RABG3E | Ras-related protein RABG3e; Intracellular vesicle trafficking and protein transport. May play a role in adaptation to stress by recylcing macromolecules in specific cellular compartments; Belongs to the small GTPase superfamily. Rab family. (206 aa) |
| | GTG1 | GPCR-type G protein 1; Abscisic acid receptor. The GDP-bound form exhibits greater abscisic acid binding than the GTP-bound form. Required for seedling growth and fertility. (468 aa) |
| | DRP4C | Dynamin-related protein 4C; Putative microtubule-associated force-producing protein, able to bind and hydrolyze GTP; Belongs to the TRAFAC class dynamin-like GTPase superfamily. Dynamin/Fzo/YdjA family. (669 aa) |
| | DRP4A | Putative dynamin-related protein 4A; Belongs to the TRAFAC class dynamin-like GTPase superfamily. Dynamin/Fzo/YdjA family. (301 aa) |
| | ARL2 | ADP-ribosylation factor-like protein 2; Has a role in the cofactor-dependent pathway of microtubule biogenesis. Not essential for cell viability. May play a regulatory role in sequestring TFCD; Belongs to the small GTPase superfamily. Arf family. (185 aa) |
| | RABD1 | Ras-related protein RABD1; Protein transport. Regulator of membrane traffic from the Golgi apparatus towards the endoplasmic reticulum (ER); Belongs to the small GTPase superfamily. Rab family. (205 aa) |
| | TUFA-2 | Elongation factor Tu, mitochondrial; This protein promotes the GTP-dependent binding of aminoacyl- tRNA to the A-site of ribosomes during protein biosynthesis. Belongs to the TRAFAC class translation factor GTPase superfamily. Classic translation factor GTPase family. EF-Tu/EF-1A subfamily. (454 aa) |
