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IAA3 IAA3 H2B H2B YUC7 YUC7 CYP79B2 CYP79B2 GH3.5 GH3.5 GH3.9 GH3.9 GH3.1 GH3.1 TSB1 TSB1 ASA1 ASA1 HTB4 HTB4 AP2 AP2 ARR12 ARR12 ASB1 ASB1 CYP79B3 CYP79B3 PIN4 PIN4 HUB1 HUB1 YUC6 YUC6 PIF4 PIF4 ARR1 ARR1 PIN7 PIN7 TAR2 TAR2 AUX1 AUX1 AHK4 AHK4 AHK3 AHK3 AHK2 AHK2 PILS2 PILS2 LAX3 LAX3 HTB2 HTB2 PIN5 PIN5 AMI1 AMI1 GH3.17 GH3.17 F4P12.350 F4P12.350 YUC4 YUC4 PIN8 PIN8 HTB1 HTB1 TAR1 TAR1 GH3.6 GH3.6 PIN2 PIN2 T22P11.160 T22P11.160 HTB11 HTB11 TAA1 TAA1 PIN3 PIN3 LAX2 LAX2 F11F8.5 F11F8.5 T23G18.3 T23G18.3 PILS5 PILS5 T11P11.3 T11P11.3 TRP2 TRP2 PIN6 PIN6 CHIP CHIP YUC8 YUC8 YUC1 YUC1 F3G5.26 F3G5.26
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IAA3Auxin-responsive protein IAA3; Aux/IAA proteins are short-lived transcriptional factors that function as repressors of early auxin response genes at low auxin concentrations. Repression is thought to result from the interaction with auxin response factors (ARFs), proteins that bind to the auxin- responsive promoter element (AuxRE). Plays a central role in auxin regulation of root growth, in gravitropism, and in lateral root formation. Regulated by an auxin-induced protein turnover. Formation of heterodimers with ARF proteins may alter their ability to modulate early auxin response gene [...] (189 aa)
H2BHistone H2B.6; Core component of nucleosome. Nucleosomes wrap and compact DNA into chromatin, limiting DNA accessibility to the cellular machineries which require DNA as a template. Histones thereby play a central role in transcription regulation, DNA repair, DNA replication and chromosomal stability. DNA accessibility is regulated via a complex set of post-translational modifications of histones, also called histone code, and nucleosome remodeling. (150 aa)
YUC7Probable indole-3-pyruvate monooxygenase YUCCA7; Involved in auxin biosynthesis. Belongs to the set of redundant YUCCA genes probably responsible for auxin biosynthesis in roots. (431 aa)
CYP79B2Tryptophan N-monooxygenase 1; Converts tryptophan to indole-3-acetaldoxime, a precursor for tryptophan-derived glucosinolates and indole-3-acetic acid (IAA). Involved in the biosynthetic pathway to 4-hydroxyindole-3-carbonyl nitrile (4-OH-ICN), a cyanogenic metabolite required for inducible pathogen defense. Belongs to the cytochrome P450 family. (541 aa)
GH3.5Indole-3-acetic acid-amido synthetase GH3.5; Catalyzes the synthesis of indole-3-acetic acid (IAA)-amino acid conjugates, providing a mechanism for the plant to cope with the presence of excess auxin. Strongly reactive with Glu, Gln, Trp, Asp, Ala, Leu, Phe, Gly, Tyr, Met, Ile and Val. Little or no product formation with His, Ser, Thr, Arg, Lys, or Cys. Also active on pyruvic and butyric acid analogs of IAA, PAA and the synthetic auxin naphthaleneacetic acid (NAA). The two chlorinated synthetic auxin herbicides 2,4-D and 3,6-dichloro-o-anisic acid (dicamba) cannot be used as substrates [...] (612 aa)
GH3.9Putative indole-3-acetic acid-amido synthetase GH3.9; Catalyzes the synthesis of indole-3-acetic acid (IAA)-amino acid conjugates, providing a mechanism for the plant to cope with the presence of excess auxin; Belongs to the IAA-amido conjugating enzyme family. (585 aa)
GH3.1Probable indole-3-acetic acid-amido synthetase GH3.1; Catalyzes the synthesis of indole-3-acetic acid (IAA)-amino acid conjugates, providing a mechanism for the plant to cope with the presence of excess auxin; Belongs to the IAA-amido conjugating enzyme family. (590 aa)
TSB1Tryptophan synthase beta chain 1, chloroplastic; The beta subunit is responsible for the synthesis of L- tryptophan from indole and L-serine; Belongs to the TrpB family. (470 aa)
ASA1Anthranilate synthase alpha subunit 1, chloroplastic; Part of a heterotetrameric complex that catalyzes the two- step biosynthesis of anthranilate, an intermediate in the biosynthesis of L-tryptophan. In the first step, the glutamine-binding beta subunit of anthranilate synthase (AS) provides the glutamine amidotransferase activity which generates ammonia as a substrate that, along with chorismate, is used in the second step, catalyzed by the large alpha subunit of AS to produce anthranilate. Plays an important regulatory role in auxin production via the tryptophan-dependent biosynthet [...] (595 aa)
HTB4Histone H2B.11; Core component of nucleosome. Nucleosomes wrap and compact DNA into chromatin, limiting DNA accessibility to the cellular machineries which require DNA as a template. Histones thereby play a central role in transcription regulation, DNA repair, DNA replication and chromosomal stability. DNA accessibility is regulated via a complex set of post-translational modifications of histones, also called histone code, and nucleosome remodeling. (150 aa)
AP2Floral homeotic protein APETALA 2; Probable transcriptional activator that promotes early floral meristem identity. Is required subsequently for the transition of an inflorescence meristem into a floral meristem. Plays a central role in the specification of floral identity, particularly for the normal development of sepals and petals in the wild-type flower, by spatially controlling the expression domains of multiple floral organ identity genes. Acts as A class cadastral protein by repressing the C class floral homeotic gene AGAMOUS in association with other repressors like LEUNIG and [...] (432 aa)
ARR12Two-component response regulator ARR12; Transcriptional activator that binds specifically to the DNA sequence 5'-[AG]GATT-3'. Functions as a response regulator involved in His-to-Asp phosphorelay signal transduction system. Phosphorylation of the Asp residue in the receiver domain activates the ability of the protein to promote the transcription of target genes. Could directly activate some type-A response regulators in response to cytokinins. Involved in the root-meristem size determination through the regulation of cell differentiation. Involved in activating SHY2 during meristem gro [...] (596 aa)
ASB1Anthranilate synthase beta subunit 1, chloroplastic; Part of a heterotetrameric complex that catalyzes the two- step biosynthesis of anthranilate, an intermediate in the biosynthesis of L-tryptophan. In the first step, the glutamine-binding beta subunit of anthranilate synthase (AS) provides the glutamine amidotransferase activity which generates ammonia as a substrate that, along with chorismate, is used in the second step, catalyzed by the large alpha subunit of AS to produce anthranilate. Plays an important regulatory role in auxin production via the tryptophan-dependent biosyntheti [...] (276 aa)
CYP79B3Tryptophan N-monooxygenase 2; Converts tryptophan to indole-3-acetaldoxime, a precursor for tryptophan derived glucosinolates and indole-3-acetic acid (IAA). Belongs to the cytochrome P450 family. (543 aa)
PIN4Auxin efflux carrier component 4; Acts as a component of the auxin efflux carrier. Plays a role in generating a sink for auxin into columella cells. Maintains the endogenous auxin gradient, which is essential for correct root patterning. Involved in EXO70A3-regulated gravitropic responses in columella cells and in root system architecture (RSA). (616 aa)
HUB1E3 ubiquitin-protein ligase BRE1-like 1; E3 ubiquitin-protein ligase that monoubiquitinates H2B to form H2BK143ub1. H2BK143ub1 gives a specific tag for epigenetic transcriptional activation and is also prerequisite for H3K4me and maybe H3K79me. It thereby plays a central role in histone code and gene regulation. Forms a ubiquitin ligase complex in cooperation with the E2 enzyme UBC2/RAD6. Required for the regulation of flowering time and defense against necrotrophic fungal pathogens. Involved in the control of seed dormancy and germination. Belongs to the BRE1 family. (878 aa)
YUC6Indole-3-pyruvate monooxygenase YUCCA6; Involved in auxin biosynthesis via the indole-3-pyruvic acid (IPA) pathway. Also able to convert in vitro phenyl pyruvate (PPA) to phenyl acetic acid (PAA). Required for the formation of floral organs and vascular tissues. Belongs to the set of redundant YUCCA genes probably responsible for auxin biosynthesis in shoots. (417 aa)
PIF4Transcription factor PIF4; Transcription factor acting negatively in the phytochrome B signaling pathway. May regulate the expression of a subset of genes involved in cell expansion by binding to the G-box motif (By similarity). Activated by CRY1 and CRY2 in response to low blue light (LBL) by direct binding at chromatin on E-box variant 5'-CA[CT]GTG-3' to stimulate specific gene expression to adapt global physiology (e.g. hypocotyl elongation in low blue light). Belongs to the bHLH protein family. (430 aa)
ARR1Two-component response regulator ARR1; Transcriptional activator that binds specifically to the DNA sequence 5'-[AG]GATT-3'. Functions as a response regulator involved in His-to-Asp phosphorelay signal transduction system. Phosphorylation of the Asp residue in the receiver domain activates the ability of the protein to promote the transcription of target genes. Could directly activate some type-A response regulators in response to cytokinins. Regulates SHY2 by binding to its promoter. Involved in the root-meristem size determination through the regulation of cell differentiation. Belon [...] (690 aa)
PIN7Auxin efflux carrier component 7; Acts as a component of the auxin efflux carrier. Mediates the initial auxin gradient which contributes to the establishment of the apical-basal axis in early embryogenesis. (619 aa)
TAR2Tryptophan aminotransferase-related protein 2; Involved in auxin production. Both TAA1 and TAR2 are required for maintaining proper auxin levels in roots, while TAA1, TAR1 and TAR2 are required for proper embryo patterning. Involved in the maintenance of the root stem cell niches. (440 aa)
AUX1Auxin transporter protein 1; Carrier protein involved in proton-driven auxin influx. Mediates the formation of auxin gradient from developing leaves (site of auxin biosynthesis) to tips by contributing to the loading of auxin in vascular tissues and facilitating acropetal (base to tip) auxin transport within inner tissues of the root apex, and basipetal (tip to base) auxin transport within outer tissues of the root apex. Unloads auxin from the mature phloem to deliver the hormone to the root meristem via the protophloem cell files. Coordinated subcellular localization of AUX1 is regula [...] (485 aa)
AHK4Histidine kinase 4; Cytokinins (CK) receptor related to bacterial two-component regulators. Binds also the synthetic urea-type cytokinin thiadiazuron, a potent defoliant and herbicide. Functions as a histidine kinase and transmits the stress signal to a downstream MAPK cascade. This protein undergoes an ATP-dependent autophosphorylation at a conserved histidine residue in the kinase core, and a phosphoryl group is then transferred to a conserved aspartate residue in the receiver domain. In the presence of cytokinin, feeds phosphate to phosphorelay-integrating histidine phosphotransfer [...] (1080 aa)
AHK3Histidine kinase 3; Cytokinins (CK) receptor related to bacterial two-component regulators. Functions as a histidine kinase and transmits the stress signal to a downstream MAPK cascade. This protein undergoes an ATP- dependent autophosphorylation at a conserved histidine residue in the kinase core, and a phosphoryl group is then transferred to a conserved aspartate residue in the receiver domain. In the presence of cytokinin, feeds phosphate to phosphorelay-integrating histidine phosphotransfer protein (HPt) and activates subsequent cascade. Involved in meristems establishment in seedl [...] (1036 aa)
AHK2Histidine kinase 2; Cytokinins (CK) receptor related to bacterial two-component regulators. Functions as a histidine kinase and transmits the stress signal to a downstream MAPK cascade. This protein undergoes an ATP- dependent autophosphorylation at a conserved histidine residue in the kinase core, and a phosphoryl group is then transferred to a conserved aspartate residue in the receiver domain. In the presence of cytokinin, feeds phosphate to phosphorelay-integrating histidine phosphotransfer protein (HPt) and activates subsequent cascade. Involved in meristems establishment in seedl [...] (1176 aa)
PILS2Protein PIN-LIKES 2; Involved in cellular auxin homeostasis by regulating auxin metabolism. Regulates intracellular auxin accumulation at the endoplasmic reticulum and thus auxin availability for nuclear auxin signaling. (457 aa)
LAX3Auxin transporter-like protein 3; Carrier protein involved in proton-driven auxin influx. Mediates the formation of auxin gradient from developing leaves (site of auxin biosynthesis) to tips by contributing to the loading of auxin in vascular tissues and facilitating acropetal (base to tip) auxin transport within inner tissues of the root apex, and basipetal (tip to base) auxin transport within outer tissues of the root apex (By similarity); Belongs to the amino acid/polyamine transporter 2 family. Amino acid/auxin permease (AAAP) (TC 2.A.18.1) subfamily. (470 aa)
HTB2Histone H2B.10; Core component of nucleosome. Nucleosomes wrap and compact DNA into chromatin, limiting DNA accessibility to the cellular machineries which require DNA as a template. Histones thereby play a central role in transcription regulation, DNA repair, DNA replication and chromosomal stability. DNA accessibility is regulated via a complex set of post-translational modifications of histones, also called histone code, and nucleosome remodeling. (145 aa)
PIN5Auxin efflux carrier component 5; Auxin transporter regulating intracellular auxin homeostasis and metabolism. Mediates the auxin transport from the cytosol into the lumen of the endoplasmic reticulum. May also act as an auxin efflux carrier when located to the cell membrane. PIN5 and PIN8 may have an antagonistic/compensatory activity. Involved in unfolded protein response (UPR) activation. Involved in the control of vein patterning. Promotes vein formation. PIN5, PIN6, and PIN8 control vein network geometry, but they are expressed in mutually exclusive domains of leaf vascular cells. (351 aa)
AMI1Amidase 1; Amidase involved in auxin biosynthesis. Converts indole-3- acetamide to indole-3-acetate. Converts phenyl-2-acetamide (PAM) to phenyl-2-acetate. Substrate preference is PAM > IAM. Can also use L-asparagine, oleamide and 1-naphtalene-acetamide as substrates, but not indole-3- acetonitrile or indole-3-acetyl-L-aspartic acid. (425 aa)
GH3.17Indole-3-acetic acid-amido synthetase GH3.17; Catalyzes the synthesis of indole-3-acetic acid (IAA)-amino acid conjugates, providing a mechanism for the plant to cope with the presence of excess auxin. Strongly reactive with Glu, Gln, Trp, Asp, Ala, Leu, Phe, Gly, Tyr, Met, Ile and Val. Appears to favor Glu over Asp while the other GH3 favor Asp over Glu. Little or no product formation with His, Ser, Thr, Arg, Lys, or Cys. Also active on pyruvic and butyric acid analogs of IAA, PAA and the synthetic auxin naphthaleneacetic acid (NAA). The two chlorinated synthetic auxin herbicides 2,4- [...] (609 aa)
F4P12.350Histone H2B.8; Core component of nucleosome. Nucleosomes wrap and compact DNA into chromatin, limiting DNA accessibility to the cellular machineries which require DNA as a template. Histones thereby play a central role in transcription regulation, DNA repair, DNA replication and chromosomal stability. DNA accessibility is regulated via a complex set of post-translational modifications of histones, also called histone code, and nucleosome remodeling. (138 aa)
YUC4Probable indole-3-pyruvate monooxygenase YUCCA4; Involved in auxin biosynthesis. Both isoforms are catalitically active. Involved during embryogenesis and seedling development. Required for the formation of floral organs and vascular tissues. Belongs to the set of redundant YUCCA genes probably responsible for auxin biosynthesis in shoots. (411 aa)
PIN8Auxin efflux carrier component 8; Component of the intracellular auxin-transport pathway in the male gametophyte. Involved in the regulation of auxin homeostasis in pollen. Involved in the efflux of auxin from the endoplasmic reticulum into the cytoplasm. PIN5 and PIN8 may have an antagonistic/compensatory activity. Involved in the control of vein patterning. Redundantly with PIN6, inhibits the vein-formation- promoting functions of PIN5. PIN5, PIN6, and PIN8 control vein network geometry, but they are expressed in mutually exclusive domains of leaf vascular cells. (367 aa)
HTB1Histone H2B.1; Core component of nucleosome. Nucleosomes wrap and compact DNA into chromatin, limiting DNA accessibility to the cellular machineries which require DNA as a template. Histones thereby play a central role in transcription regulation, DNA repair, DNA replication and chromosomal stability. DNA accessibility is regulated via a complex set of post-translational modifications of histones, also called histone code, and nucleosome remodeling. (148 aa)
TAR1Tryptophan aminotransferase-related protein 1; Probably involved in auxin production. TAA1, TAR1 and TAR2 are required for proper embryo patterning. Belongs to the alliinase family. (388 aa)
GH3.6Indole-3-acetic acid-amido synthetase GH3.6; Catalyzes the synthesis of indole-3-acetic acid (IAA)-amino acid conjugates, providing a mechanism for the plant to cope with the presence of excess auxin. Strongly reactive with Glu, Gln, Trp, Asp, Ala, Leu, Phe, Gly, Tyr, Met, Ile and Val. Little or no product formation with His, Ser, Thr, Arg, Lys, or Cys. Also active on pyruvic and butyric acid analogs of IAA, PAA and the synthetic auxin naphthaleneacetic acid (NAA). The two chlorinated synthetic auxin herbicides 2,4-D and 3,6-dichloro-o-anisic acid (dicamba) cannot be used as substrates [...] (612 aa)
PIN2Auxin efflux carrier component 2; Acts as a component of the auxin efflux carrier. Seems to be involved in the root-specific auxin transport, and mediates the root gravitropism. Its particular localization suggest a role in the translocation of auxin towards the elongation zone. (647 aa)
T22P11.160Histone H2B.9; Core component of nucleosome. Nucleosomes wrap and compact DNA into chromatin, limiting DNA accessibility to the cellular machineries which require DNA as a template. Histones thereby play a central role in transcription regulation, DNA repair, DNA replication and chromosomal stability. DNA accessibility is regulated via a complex set of post-translational modifications of histones, also called histone code, and nucleosome remodeling. (132 aa)
HTB11Histone H2B.7; Core component of nucleosome. Nucleosomes wrap and compact DNA into chromatin, limiting DNA accessibility to the cellular machineries which require DNA as a template. Histones thereby play a central role in transcription regulation, DNA repair, DNA replication and chromosomal stability. DNA accessibility is regulated via a complex set of post-translational modifications of histones, also called histone code, and nucleosome remodeling. (145 aa)
TAA1L-tryptophan--pyruvate aminotransferase 1; L-tryptophan aminotransferase involved in auxin (IAA) biosynthesis. Can convert L-tryptophan and pyruvate to indole-3-pyruvic acid (IPA) and alanine. Catalyzes the first step in IPA branch of the auxin biosynthetic pathway. Required for auxin production to initiate multiple change in growth in response to environmental and developmental cues. It is also active with phenylalanine, tyrosine, leucine, alanine, methionine and glutamine. Both TAA1 and TAR2 are required for maintaining proper auxin levels in roots, while TAA1, TAR1 and TAR2 are requ [...] (391 aa)
PIN3Auxin efflux carrier component 3; Acts as a component of the auxin efflux carrier. Seems to be involved in the lateral auxin transport system and mediates tropic growth. Coordinated polar localization of PIN3 is directly regulated by the vesicle trafficking process. (640 aa)
LAX2Auxin transporter-like protein 2; Carrier protein involved in proton-driven auxin influx. Mediates the formation of auxin gradient from developing leaves (site of auxin biosynthesis) to tips by contributing to the loading of auxin in vascular tissues and facilitating acropetal (base to tip) auxin transport within inner tissues of the root apex, and basipetal (tip to base) auxin transport within outer tissues of the root apex (By similarity); Belongs to the amino acid/polyamine transporter 2 family. Amino acid/auxin permease (AAAP) (TC 2.A.18.1) subfamily. (483 aa)
F11F8.5Histone H2B.5; Core component of nucleosome. Nucleosomes wrap and compact DNA into chromatin, limiting DNA accessibility to the cellular machineries which require DNA as a template. Histones thereby play a central role in transcription regulation, DNA repair, DNA replication and chromosomal stability. DNA accessibility is regulated via a complex set of post-translational modifications of histones, also called histone code, and nucleosome remodeling. (126 aa)
T23G18.3Histone H2B.2; Core component of nucleosome. Nucleosomes wrap and compact DNA into chromatin, limiting DNA accessibility to the cellular machineries which require DNA as a template. Histones thereby play a central role in transcription regulation, DNA repair, DNA replication and chromosomal stability. DNA accessibility is regulated via a complex set of post-translational modifications of histones, also called histone code, and nucleosome remodeling. (243 aa)
PILS5Protein PIN-LIKES 5; Involved in cellular auxin homeostasis by regulating auxin metabolism. Regulates intracellular auxin accumulation at the endoplasmic reticulum and thus auxin availability for nuclear auxin signaling. (396 aa)
T11P11.3Histone H2B.3; Core component of nucleosome. Nucleosomes wrap and compact DNA into chromatin, limiting DNA accessibility to the cellular machineries which require DNA as a template. Histones thereby play a central role in transcription regulation, DNA repair, DNA replication and chromosomal stability. DNA accessibility is regulated via a complex set of post-translational modifications of histones, also called histone code, and nucleosome remodeling. (151 aa)
TRP2Telomere repeat-binding protein 2; Binds specifically to the plant telomeric double-stranded DNA sequences. At least 2 repeats of telomeric sequences are required for binding. Induces DNA bending. (553 aa)
PIN6Auxin efflux carrier component 6; Component of the intracellular auxin-transport pathway. Regulates auxin transport and auxin homeostasis. Directly involved in the regulation of nectar production. Involved in unfolded protein response (UPR) activation. Involved in the control of vein patterning. Redundantly with PIN8, inhibits the vein-formation-promoting functions of PIN5. PIN5, PIN6, and PIN8 control vein network geometry, but they are expressed in mutually exclusive domains of leaf vascular cells. Belongs to the auxin efflux carrier (TC 2.A.69.1) family. (570 aa)
CHIPE3 ubiquitin-protein ligase CHIP; Has E3 ubiquitin-protein ligase activity and may target misfolded substrates towards proteasomal degradation. Regulates the activity of some serine/threonine-protein phosphatases by E3 ubiquitin- protein ligase activity. Required for responses to biotic and abiotic stresses such as auxin, abscisic acid (ABA), low and high temperature and darkness, probably through the activation of serine/threonine- protein phosphatase and the subsequent modification of the plasma membrane composition. Regulates the chloroplastic Clp proteolytic activity in response to [...] (278 aa)
YUC8Probable indole-3-pyruvate monooxygenase YUCCA8; Involved in auxin biosynthesis. Belongs to the set of redundant YUCCA genes probably responsible for auxin biosynthesis in roots. (426 aa)
YUC1Probable indole-3-pyruvate monooxygenase YUCCA1; Involved in auxin biosynthesis, but not in the tryptamine or the CYP79B2/B3 branches. Catalyzes in vitro the N-oxidation of tryptamine to form N-hydroxyl tryptamine. Involved during embryogenesis and seedling development. Required for the formation of floral organs and vascular tissues. Belongs to the set of redundant YUCCA genes probably responsible for auxin biosynthesis in shoots. (414 aa)
F3G5.26Histone H2B.4; Core component of nucleosome. Nucleosomes wrap and compact DNA into chromatin, limiting DNA accessibility to the cellular machineries which require DNA as a template. Histones thereby play a central role in transcription regulation, DNA repair, DNA replication and chromosomal stability. DNA accessibility is regulated via a complex set of post-translational modifications of histones, also called histone code, and nucleosome remodeling. (138 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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