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SRO5 SRO5 PARP3 PARP3 RGXT3 RGXT3 HPAT3 HPAT3 IRX10 IRX10 XYLT XYLT XXT3 XXT3 XEG113 XEG113 RCD1 RCD1 NAPRT1 NAPRT1 IRX14 IRX14 T16L1.90 T16L1.90 HISN1B HISN1B NAPRT2 NAPRT2 T2P4.8 T2P4.8 HPAT2 HPAT2 PYRE-F PYRE-F APT2 APT2 THI1 THI1 PARP2 PARP2 PAT1 PAT1 APT1 APT1 SRO1 SRO1 T16L1.80 T16L1.80 UKL4 UKL4 SRO3 SRO3 XXT2 XXT2 AT2G41640 AT2G41640 AT3G57380 AT3G57380 AT2G03360 AT2G03360 HGPT HGPT AT2G03370 AT2G03370 SRO2 SRO2 QPT QPT RGXT1 RGXT1 RGXT2 RGXT2 UGT78D3 UGT78D3 APT5 APT5 UKL5 UKL5 AT3G18180 AT3G18180 Q9LV23_ARATH Q9LV23_ARATH A3G2XYLT A3G2XYLT XXT1 XXT1 MGP4 MGP4 UPP UPP XXT4 XXT4 HISN1A HISN1A ASE1 ASE1 MUCI21 MUCI21 ASE2 ASE2 SRO4 SRO4 APT4 APT4 APT3 APT3 IRX9H IRX9H HISN4 HISN4 ASE3 ASE3 PARP1 PARP1 IRX9 IRX9 UKL3 UKL3 HPAT1 HPAT1 IRX10L IRX10L XGD1 XGD1 XXT5 XXT5 IRX14H IRX14H
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proteins of unknown 3D structure
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SRO5Probable inactive poly [ADP-ribose] polymerase SRO5; Probable inactive ADP-ribosyltransferase that may be involved in stress and developmental responses. (309 aa)
PARP3Protein ADP-ribosyltransferase PARP3; Involved in the base excision repair (BER) pathway, by catalyzing the poly(ADP-ribosyl)ation of a limited number of acceptor proteins involved in chromatin architecture and in DNA metabolism. This modification follows DNA damages and appears as an obligatory step in a detection/signaling pathway leading to the reparation of DNA strand breaks (By similarity). (814 aa)
RGXT3UDP-D-xylose:L-fucose alpha-1,3-D-xylosyltransferase 3; Catalyzes the transfer of D-xylose from UDP-alpha-D-xylose onto L-fucose. Probably involved in the biosynthesis of rhamnogalacturonan II (RG-II) through xylosylation of the internal fucose moiety of the A-chain of RG-II, a structurally complex pectic polysaccharide of the primary cell wall. RG-II is essential for the cell wall integrity of rapidly growing tissues such as roots and pollen tube growth and elongation. (383 aa)
HPAT3Hydroxyproline O-arabinosyltransferase 3; Glycosyltransferase involved in the O-arabinosylation of several proteins including extensins and small signaling peptides. Catalyzes the transfer of the initial L-arabinose to the hydroxyl group of Hyp residues. Contributes redundantly with HPAT1 and HPAT2 to arabinosylation of EXT3, but main contributor to arabinosylation of CLE peptides. (358 aa)
IRX10Probable beta-1,4-xylosyltransferase IRX10; Involved in the synthesis of the hemicellulose glucuronoxylan, a major component of secondary cell walls. Probably involved in the elongation of glucuronoxylan xylosyl backbone, especially in the formation of GlcUA side chain of xylans. (412 aa)
XYLTBeta-1,2-xylosyltransferase; Glycosyltransferase involved in the xylosylation of N-glycans. Possesses beta-1,2-xylosyltransferase activity, transferring xylose from UDP-xylose to the core beta-linked mannose of N-glycans. Involved in the biosynthesis of glycoprotein bound N-glycans. Does not require metal ions for its activity. (534 aa)
XXT3Probable xyloglucan 6-xylosyltransferase 3; Probable xyloglucan xylosyltransferase involved in the biosynthesis of xyloglucan. (457 aa)
XEG113Arabinosyltransferase XEG113; Plays a role in the arabinosylation of cell wall components. Involved in the arabinosylation of extensin proteins in root hair cells. Extensins are structural glycoproteins present in cell walls and its arabinosylation is important for cell elongation, root hair cell development, lateral root development and root hair tip growth. Belongs to the glycosyltransferase 77 family. (644 aa)
RCD1Inactive poly [ADP-ribose] polymerase RCD1; Inactive ADP-ribosyltransferase that functions with SRO1 to regulate oxidative stress, hormonal and developmental responses. Required for embryogenesis, vegetative and reproductive development, and abiotic stress responses. May regulate several stress-responsive genes. Seems to play a larger developmental role than SRO1. Does not bind NAD in vitro. (589 aa)
NAPRT1Nicotinate phosphoribosyltransferase 1; Catalyzes the first step in the biosynthesis of NAD from nicotinic acid, the ATP-dependent synthesis of beta-nicotinate D- ribonucleotide from nicotinate and 5-phospho-D-ribose 1-phosphate. Helps prevent cellular oxidative stress via its role in NAD biosynthesis; Belongs to the NAPRTase family. (559 aa)
IRX14Beta-1,4-xylosyltransferase IRX14; Involved in the synthesis of the hemicellulose glucuronoxylan, a major component of secondary cell walls. Involved in the elongation of glucuronoxylan xylosyl backbone. Xylan xylosyltransferase that acts cooperatively with IRX9 to achieve the successive addition of xylosyl residues during xylan backbone elongation. Required for the proper composition and structural properties of released seed coat mucilage. Required for the production of highly branched xylan polymers in seed coat mucilage. Xylan with xylose side chains seems to be necessary for pecti [...] (525 aa)
T16L1.90Transmembrane protein. (470 aa)
HISN1BATP phosphoribosyltransferase 2, chloroplastic; Catalyzes the condensation of ATP and 5-phosphoribose 1- diphosphate to form N'-(5'-phosphoribosyl)-ATP (PR-ATP). (413 aa)
NAPRT2Nicotinate phosphoribosyltransferase 2; Catalyzes the first step in the biosynthesis of NAD from nicotinic acid, the ATP-dependent synthesis of beta-nicotinate D- ribonucleotide from nicotinate and 5-phospho-D-ribose 1-phosphate. Helps prevent cellular oxidative stress via its role in NAD biosynthesis; Belongs to the NAPRTase family. (557 aa)
T2P4.8Initiator tRNA phosphoribosyl transferase family protein. (521 aa)
HPAT2Hydroxyproline O-arabinosyltransferase 2; Glycosyltransferase involved in the O-arabinosylation of several proteins including extensins and small signaling peptides. Catalyzes the transfer of the initial L-arabinose to the hydroxyl group of Hyp residues. Contributes redundantly with HPAT1 and HPAT3 to arabinosylation of EXT3. (358 aa)
PYRE-FOrotidine 5'-phosphate decarboxylase; In the N-terminal section; belongs to the purine/pyrimidine phosphoribosyltransferase family. (476 aa)
APT2Adenine phosphoribosyltransferase 2; Catalyzes a salvage reaction resulting in the formation of AMP, that is energically less costly than de novo synthesis. May contribute to the recycling of adenine into adenylate nucleotides and the inactivation of cytokinins by phosphoribosylation. Possesses low activity toward adenine and cytokinins; Belongs to the purine/pyrimidine phosphoribosyltransferase family. (192 aa)
THI1Thiamine thiazole synthase, chloroplastic; Involved in biosynthesis of the thiamine precursor thiazole. Catalyzes the conversion of NAD and glycine to adenosine diphosphate 5- (2-hydroxyethyl)-4-methylthiazole-2-carboxylic acid (ADT), an adenylated thiazole intermediate. The reaction includes an iron- dependent sulfide transfer from a conserved cysteine residue of the protein to a thiazole intermediate. The enzyme can only undergo a single turnover, which suggests it is a suicide enzyme. May have additional roles in adaptation to various stress conditions and in DNA damage tolerance. A [...] (349 aa)
PARP2Poly [ADP-ribose] polymerase 2; Involved in the base excision repair (BER) pathway, by catalyzing the poly(ADP-ribosyl)ation of a limited number of acceptor proteins involved in chromatin architecture and in DNA metabolism. This modification follows DNA damages and appears as an obligatory step in a detection/signaling pathway leading to the reparation of DNA strand breaks (By similarity). (637 aa)
PAT1Anthranilate phosphoribosyltransferase, chloroplastic. (444 aa)
APT1Adenine phosphoribosyltransferase 1, chloroplastic; Catalyzes a salvage reaction resulting in the formation of AMP, that is energically less costly than de novo synthesis. Contributes primarily to the recycling of adenine into adenylate nucleotides, but is also involved in the inactivation of cytokinins by phosphoribosylation. Catalyzes the conversion of cytokinins from free bases (active form) to the corresponding nucleotides (inactive form). Belongs to the purine/pyrimidine phosphoribosyltransferase family. (243 aa)
SRO1Probable inactive poly [ADP-ribose] polymerase SRO1; Probable inactive ADP-ribosyltransferase that functions with RCD1 to regulate oxidative stress, hormonal and developmental responses. May regulate some stress-responsive genes. Seems to play a smaller developmental role than R. (568 aa)
T16L1.80Transmembrane protein. (466 aa)
UKL4Putative 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)
SRO3Probable inactive poly [ADP-ribose] polymerase SRO3; Probable inactive ADP-ribosyltransferase that may be involved in stress and developmental responses. (305 aa)
XXT2Xyloglucan 6-xylosyltransferase 2; Xylosyltransferase specific to UDP-D-xylose that accepts both cellopentaose and cellohexaose as substrates, with a better use of cellohexaose, to produce xyloglucan. Adds preferentially the first xylosyl residue to the fourth glucosyl residue from the reducing end of both acceptors. Transfer one xylose mainly to the second glucose residue from the non-reducing end. The acceptor should have a minimum of four glucose residues. Associates with other xyloglucan-synthesizing enzymes to form multiprotein complexes for xyloglucan synthesis in the Golgi. (461 aa)
AT2G41640Glycosyltransferase family 61 protein. (500 aa)
AT3G57380Glycosyltransferase family 61 protein. (504 aa)
AT2G03360Glycosyltransferase family 61 protein. (455 aa)
HGPTHypoxanthine phosphoribosyltransferase; Belongs to the purine/pyrimidine phosphoribosyltransferase family. (198 aa)
AT2G03370O-linked-mannose beta-1,4-N-acetylglucosaminyltransferase-like protein. (454 aa)
SRO2Probable inactive poly [ADP-ribose] polymerase SRO2; Probable inactive ADP-ribosyltransferase that may be involved in stress and developmental responses. (323 aa)
QPTNicotinate-nucleotide pyrophosphorylase [carboxylating], chloroplastic; Involved in the catabolism of quinolinic acid (QA). (348 aa)
RGXT1UDP-D-xylose:L-fucose alpha-1,3-D-xylosyltransferase 1; Catalyzes the transfer of D-xylose from UDP-alpha-D-xylose onto L-fucose. Probably involved in the biosynthesis of rhamnogalacturonan II (RG-II) through xylosylation of the internal fucose moiety of the A-chain of RG-II, a structurally complex pectic polysaccharide of the primary cell wall. RG-II is essential for the cell wall integrity of rapidly growing tissues such as roots and pollen tube growth and elongation; Belongs to the glycosyltransferase 77 family. (361 aa)
RGXT2UDP-D-xylose:L-fucose alpha-1,3-D-xylosyltransferase; Catalyzes the transfer of D-xylose from UDP-alpha-D-xylose onto L-fucose. Probably involved in the biosynthesis of rhamnogalacturonan II (RG-II) through xylosylation of the internal fucose moiety of the A-chain of RG-II, a structurally complex pectic polysaccharide of the primary cell wall. RG-II is essential for the cell wall integrity of rapidly growing tissues such as roots and pollen tube growth and elongation; Belongs to the glycosyltransferase 77 family. (367 aa)
UGT78D3UDP-glycosyltransferase 78D3; Possesses low quercetin 3-O-glucosyltransferase activity in vitro. (459 aa)
APT5Adenine phosphoribosyltransferase 5; Catalyzes a salvage reaction resulting in the formation of AMP, that is energically less costly than de novo synthesis. May contribute to the recycling of adenine into adenylate nucleotides and the inactivation of cytokinins by phosphoribosylation. Possesses low activity toward adenine, but can efficiently convert cytokinins from free bases (active form) to the corresponding nucleotides (inactive form); Belongs to the purine/pyrimidine phosphoribosyltransferase family. (191 aa)
UKL5Probable uracil phosphoribosyltransferase; Involved in the pyrimidine salvage pathway; In the C-terminal section; belongs to the UPRTase family. (465 aa)
AT3G18180Glycosyltransferase family 61 protein. (470 aa)
Q9LV23_ARATHGlycosyltransferase family 61 protein. (535 aa)
A3G2XYLTAnthocyanidin 3-O-glucoside 2'''-O-xylosyltransferase; Contributes to the last few anthocyanin biosynthetic steps. Converts cyanidin 3-O-glucoside to cyanidin 3-O-xylosyl(1->2)glucoside. Can use 3-O-glucosylated anthocyanidins/flavonols and uridine diphosphate (UDP)-xylose as substrates. (468 aa)
XXT1Xyloglucan 6-xylosyltransferase 1; Xylosyltransferase specific to UDP-D-xylose that accepts both cellopentaose and cellohexaose as substrates, with a better use of cellohexaose, to produce xyloglucan. Adds preferentially the first xylosyl residue to the fourth glucosyl residue from the reducing end of both acceptors. Transfer one xylose mainly to the second glucose residue from the non-reducing end. The acceptor should have a minimum of four glucose residues. (460 aa)
MGP4UDP-D-xylose:L-fucose alpha-1,3-D-xylosyltransferase MGP4; Catalyzes the transfer of D-xylose from UDP-alpha-D-xylose onto L-fucose. Probably involved in the biosynthesis of rhamnogalacturonan II (RG-II) through xylosylation of the internal fucose moiety of the A-chain of RG-II, a structurally complex pectic polysaccharide of the primary cell wall. RG-II is essential for the cell wall integrity of rapidly growing tissues such as roots and pollen tube growth and elongation. (360 aa)
UPPUracil 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)
XXT4Xyloglucan 6-xylosyltransferase 4; Xylosyltransferase specific to UDP-D-xylose that accepts cellohexaose as substrate to produce xyloglucan. (513 aa)
HISN1AATP phosphoribosyltransferase 1, chloroplastic; Catalyzes the condensation of ATP and 5-phosphoribose 1- diphosphate to form N'-(5'-phosphoribosyl)-ATP (PR-ATP); Belongs to the ATP phosphoribosyltransferase family. Long subfamily. (411 aa)
ASE1Amidophosphoribosyltransferase 1, chloroplastic; Catalyzes the first committed step of 'de novo' purine biosynthesis from glutamine. Involved in plastid biogenesis and cell division. (566 aa)
MUCI21Xylan glycosyltransferase MUCI21; Glycosyletransferase required for the proper composition and structural properties of released seed coat mucilage. Required for the production of highly branched xylan polymers in seed coat mucilage. Facilitates the addition of xylose residues directly to the xylan backbone. Xylan with xylose side chains seems to be necessary for pectin attachment to the seed surface. Essential for xylan synthesis in seed coat epidermal (SCE) cells. (494 aa)
ASE2Amidophosphoribosyltransferase 2, chloroplastic; Catalyzes the first committed step of 'de novo purine biosynthesis from glutamine. Required for chloroplast biogenesis and cell division. Confers sensitivity to the phenyltriazole acetic acid compound [5-(4-chlorophenyl)-1-isopropyl-1H-[1,2,4]triazol-3-yl]-acetic acid (DAS734), a bleaching herbicide; In the C-terminal section; belongs to the purine/pyrimidine phosphoribosyltransferase family. (561 aa)
SRO4Probable inactive poly [ADP-ribose] polymerase SRO4; Probable inactive ADP-ribosyltransferase that may be involved in stress and developmental responses. (316 aa)
APT4Adenine phosphoribosyltransferase 4; Catalyzes a salvage reaction resulting in the formation of AMP, that is energically less costly than de novo synthesis. May contribute to the recycling of adenine into adenylate nucleotides and the inactivation of cytokinins by phosphoribosylation. Possesses low activity toward adenine, but can efficiently convert cytokinins from free bases (active form) to the corresponding nucleotides (inactive form). (182 aa)
APT3Adenine phosphoribosyltransferase 3; Catalyzes a salvage reaction resulting in the formation of AMP, that is energically less costly than de novo synthesis. May contribute to the recycling of adenine into adenylate nucleotides and the inactivation of cytokinins by phosphoribosylation. Possesses low activity toward adenine and cytokinins. (183 aa)
IRX9HProbable beta-1,4-xylosyltransferase IRX9H; Involved in the synthesis of the hemicellulose glucuronoxylan, a major component of secondary cell walls. Probably involved in the elongation of glucuronoxylan xylosyl backbone. (394 aa)
HISN4Imidazole glycerol phosphate synthase hisHF, chloroplastic; IGPS catalyzes the conversion of PRFAR and glutamine to IGP, AICAR and glutamate. The glutaminase domain produces the ammonia necessary for the cyclase domain to produce IGP and AICAR from PRFAR. The ammonia is channeled to the active site of the cyclase domain. (592 aa)
ASE3Amidophosphoribosyltransferase 3, chloroplastic; Catalyzes the first committed step of 'de novo' purine biosynthesis from glutamine; In the C-terminal section; belongs to the purine/pyrimidine phosphoribosyltransferase family. (532 aa)
PARP1Poly [ADP-ribose] polymerase 1; Involved in the base excision repair (BER) pathway, by catalyzing the poly(ADP-ribosyl)ation of a limited number of acceptor proteins involved in chromatin architecture and in DNA metabolism. This modification follows DNA damages and appears as an obligatory step in a detection/signaling pathway leading to the reparation of DNA strand breaks (By similarity). (983 aa)
IRX9Beta-1,4-xylosyltransferase IRX9; Involved in the synthesis of the hemicellulose glucuronoxylan, a major component of secondary cell walls. Xylan xylosyltransferase that acts cooperatively with IRX14 to achieve the successive addition of xylosyl residues during xylan backbone elongation. (351 aa)
UKL3Putative 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)
HPAT1Hydroxyproline O-arabinosyltransferase 1; Glycosyltransferase involved in the O-arabinosylation of several proteins including extensins and small signaling peptides. Catalyzes the transfer of the initial L-arabinose to the hydroxyl group of Hyp residues. Contributes redundantly with HPAT2 and HPAT3 to arabinosylation of EXT3. (366 aa)
IRX10LProbable beta-1,4-xylosyltransferase IRX10L; Involved in the synthesis of the hemicellulose glucuronoxylan, a major component of secondary cell walls. Probably involved in the elongation of glucuronoxylan xylosyl backbone. (415 aa)
XGD1Xylogalacturonan beta-1,3-xylosyltransferase; Involved in pectin biosynthesis. Catalyzes the transfer of xylose from UDP-xylose onto oligogalacturonides and endogenous acceptors; Belongs to the glycosyltransferase 47 family. (500 aa)
XXT5Probable xyloglucan 6-xylosyltransferase 5; Probable xyloglucan xylosyltransferase involved in the biosynthesis of xyloglucan in roots. May act in association with XXT1 and XXT2. Associates with other xyloglucan- synthesizing enzymes to form multiprotein complexes for xyloglucan synthesis in the Golgi ; Belongs to the glycosyltransferase 34 family. (457 aa)
IRX14HProbable beta-1,4-xylosyltransferase IRX14H; Involved in the synthesis of the hemicellulose glucuronoxylan, a major component of secondary cell walls. Probably involved in the elongation of glucuronoxylan xylosyl backbone. (492 aa)
Your Current Organism:
Arabidopsis thaliana
NCBI taxonomy Id: 3702
Other names: A. thaliana, Arabidopsis thaliana (L.) Heynh., mouse-ear cress, thale cress, thale-cress
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