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PHB3 PHB3 AS2 AS2 DRB1 DRB1 YAB1 YAB1 ARF3 ARF3 RPS6A RPS6A AS1 AS1 RPL28A RPL28A RPL24B RPL24B RPL9B RPL9B RPL5B RPL5B RPL27AC RPL27AC RPL4D RPL4D RPL10AB RPL10AB RPS27AA RPS27AA DCL4 DCL4 CYCD4-2 CYCD4-2 ARGOS ARGOS JAG JAG WOX4 WOX4 WOX1 WOX1 ROT4 ROT4 MED25 MED25 YAB5 YAB5 GIF1 GIF1 RPL5A RPL5A ARL ARL YUC6 YUC6 KAN1 KAN1 KAN3 KAN3 MET1 MET1 HEN1 HEN1 KAN2 KAN2 AGO7 AGO7 SGS3 SGS3 YUC4 YUC4 YUC5 YUC5 CYP78A5 CYP78A5 RPS21B RPS21B TAA1 TAA1 RDR6 RDR6 WOX3 WOX3 DCL1 DCL1 MED14 MED14 YUC2 YUC2 YUC1 YUC1 YAB2 YAB2 YAB3 YAB3 AGO10 AGO10 NPR5 NPR5
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second shell of interactors
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proteins of unknown 3D structure
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a 3D structure is known or predicted
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experimentally determined
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PHB3Prohibitin-3, mitochondrial; Prohibitin probably acts as a holdase/unfoldase for the stabilization of newly synthesized mitochondrial proteins (By similarity). Necessary for mitochondrial and cell metabolism and biogenesis. Required to regulate the ethylene-mediated signaling; involved in growth maintenance in the presence of ethylene. Functions in nitric oxide (NO)-mediated responses and in hydrogen peroxide- induced NO accumulation. (277 aa)
AS2Protein ASYMMETRIC LEAVES 2; Negative regulator of cell proliferation in the adaxial side of leaves. Regulates the formation of a symmetric lamina and the establishment of venation. Positively regulates LATERAL ORGAN BOUNDARIES (LOB) within the shoot apex, and the class III HD-ZIP genes REV, PHB, and PHV. Interacts directly with ASYMMETRIC LEAVES 1 (AS1) to repress the knox homeobox genes KNAT1, KNAT2, and KNAT6 and the abaxial determinants ARF3, KAN2 and YAB5. May act in parallel with the RDR6- SGS3-AGO7 pathway, an endogenous RNA silencing pathway, to regulate the leaf morphogenesis. [...] (199 aa)
DRB1Double-stranded RNA-binding protein 1; Double-stranded RNA-binding protein involved in RNA-mediated post-transcriptional gene silencing (PTGS). Functions in the microRNAs (miRNAs) biogenesis by assisting DICER-LIKE 1 (DCL1) in the accurate processing from primary miRNAs (pri-miRNAs) to miRNAs in the nucleus. Forms a complex with SERRATE (SE) and DCL1 to promote accurate processing of pri-miRNAs by DCL1. Binds and assist DCL1 for accurate processing of precursor miRNAs (pre-miRNA). Indirectly involved in the production of trans-acting small interfering RNAs (ta-siRNAs) derived from the [...] (419 aa)
YAB1Axial regulator YABBY 1; Involved in the abaxial cell fate determination during embryogenesis and organogenesis. Regulates the initiation of embryonic shoot apical meristem (SAM) development (Ref.3, Ref.6,. Required during flower formation and development, particularly for the patterning of floral organs. Positive regulator of class B (AP3 and PI) activity in whorls 2 and 3. Negative regulator of class B activity in whorl 1 and of SUP activity in whorl 3. Interacts with class A proteins (AP1, AP2 and LUG) to repress class C (AG) activity in whorls 1 and 2. Contributes to the repression [...] (229 aa)
ARF3Auxin response factor 3; Auxin response factors (ARFs) are transcriptional factors that bind specifically to the DNA sequence 5'-TGTCTC-3' found in the auxin-responsive promoter elements (AuxREs). Could act as transcriptional activator or repressor. Formation of heterodimers with Aux/IAA proteins may alter their ability to modulate early auxin response genes expression. Involved in the establishment or elaboration of tissue patterning during gynoecial development. (608 aa)
RPS6A40S ribosomal protein S6-1; May play an important role in controlling cell growth and proliferation through the selective translation of particular classes of mRNA. (250 aa)
AS1Transcription factor AS1; Transcription factor required for normal cell differentiation. Positively regulates LATERAL ORGAN BOUNDARIES (LOB) within the shoot apex, and the class III HD-ZIP genes REV, PHB, and PHV. Interacts directly with ASYMMETRIC LEAVES 2 (LBD6/AS2) to repress the knox homeobox genes BP/KNAT1, KNAT2, and KNAT6 and the abaxial determinants ARF3/ETT, KAN2 and YAB5. May act in parallel with the RDR6-SGS3-AGO7 pathway, an endogenous RNA silencing pathway, to regulate the leaf morphogenesis. Binds directly to KNAT1, KNAT2, and KNATM chromatin, regulating leaf development. [...] (367 aa)
RPL28A60S ribosomal protein L28-1; Component of the large ribosomal subunit (By similarity). Essential in leaf polarity establishment, probably having a role for translation in leaf dorsoventral patterning to specify leaf adaxial identity ; Belongs to the eukaryotic ribosomal protein eL28 family. (143 aa)
RPL24B60S ribosomal protein L24-2; Might have an extraribosomal function in reinitiation of translation of ETTIN and MONOPTEROS genes that are involved in the auxin-mediated gynoecium patterning. Essential in leaf polarity establishment, probably having a role for translation in leaf dorsoventral patterning to specify leaf adaxial identity. (163 aa)
RPL9B60S ribosomal protein L9-1; Belongs to the universal ribosomal protein uL6 family. (194 aa)
RPL5B60S ribosomal protein L5-2; Component of the ribosome, a large ribonucleoprotein complex responsible for the synthesis of proteins in the cell. The small ribosomal subunit (SSU) binds messenger RNAs (mRNAs) and translates the encoded message by selecting cognate aminoacyl-transfer RNA (tRNA) molecules. The large subunit (LSU) contains the ribosomal catalytic site termed the peptidyl transferase center (PTC), which catalyzes the formation of peptide bonds, thereby polymerizing the amino acids delivered by tRNAs into a polypeptide chain. The nascent polypeptides leave the ribosome throug [...] (301 aa)
RPL27AC60S ribosomal protein L27a-3; Belongs to the universal ribosomal protein uL15 family. (146 aa)
RPL4D60S ribosomal protein L4-2. (407 aa)
RPL10AB60S ribosomal protein L10a-2. (216 aa)
RPS27AAUbiquitin-40S ribosomal protein S27a-1; Ubiquitin exists either covalently attached to another protein, or free (unanchored). When covalently bound, it is conjugated to target proteins via an isopeptide bond either as a monomer (monoubiquitin), a polymer linked via different Lys residues of the ubiquitin (polyubiquitin chains) or a linear polymer linked via the initiator Met of the ubiquitin (linear polyubiquitin chains). Polyubiquitin chains, when attached to a target protein, have different functions depending on the Lys residue of the ubiquitin that is linked: Lys-11-linked is invol [...] (156 aa)
DCL4Dicer-like protein 4; Ribonuclease (RNase) III involved in RNA-mediated post- transcriptional gene silencing (PTGS). Functions in the biogenesis of trans-acting small interfering RNAs (ta-siRNAs, derived from the TAS1, TAS2 or TAS3 endogenous transcripts) by cleaving small dsRNAs into 21- 24 nucleotide ta-siRNAs. Functions with the dsRNA-binding protein DRB4 in ta-siRNAs processing. Acts in the RDR6/SGS3/DCL4/AGO7 ta-siRNA pathway involved in leaf developmental timing. Plays a role in transitive silencing of transgenes by processing secondary siRNAs. This pathway, which requires DCL2 a [...] (1702 aa)
CYCD4-2Cyclin-D4-2; May promote cell division. (298 aa)
ARGOSProtein AUXIN-REGULATED GENE INVOLVED IN ORGAN SIZE; Promotes cell proliferation-dependent organ growth. Takes part in the AXR1-dependent auxin signaling pathway that requires ANT during organogenesis. (130 aa)
JAGZinc finger protein JAGGED; Controls the morphogenesis of lateral organs. Functions in lateral organ shape and is sufficient to induce proliferation and growth of lateral organ tissue. Is necessary and sufficient for bract formation, but its expression is excluded from the cryptic bract, which could be a cause of bractless flowers in Arabidopsis. Participates with FIL and YAB3 in regulating valve margin development. Functions with JGL to define stamen and carpel shape. Functions with AS1 and AS2 in the sepal and petal primordia to repress boundary-specifying genes for normal developmen [...] (253 aa)
WOX4WUSCHEL-related homeobox 4; Transcription factor which may be involved in developmental processes. (251 aa)
WOX1WUSCHEL-related homeobox 1; Transcription factor which may be involved in developmental processes. (350 aa)
ROT4DVL family protein. (53 aa)
MED25Mediator of RNA polymerase II transcription subunit 25; Component of the Mediator complex, a coactivator involved in the regulated transcription of nearly all RNA polymerase II-dependent genes. Mediator functions as a bridge to convey information from gene- specific regulatory proteins to the basal RNA polymerase II transcription machinery. Mediator is recruited to promoters by direct interactions with regulatory proteins and serves as a scaffold for the assembly of a functional preinitiation complex with RNA polymerase II and the general transcription factors. Positive regulator of sh [...] (836 aa)
YAB5Axial regulator YABBY 5; Promotes adaxial cell identity. Regulates the initiation of embryonic shoot apical meristem (SAM) development. Belongs to the YABBY family. (164 aa)
GIF1GRF1-interacting factor 1; Transcription coactivator that plays a role in the regulation of cell expansion in leaf and cotyledons tissues. Component of a network formed by miR396, the GRFs and their interacting factors (GIFs) acting in the regulation of meristem function, at least partially through the control of cell proliferation. Appears to function synergistically with GRF1 as a transcriptional coactivator. Acts together with GRF5 for the development of appropriate leaf size and shape through the promotion and/or maintenance of cell proliferation activity in leaf primordia. Plays a [...] (210 aa)
RPL5A60S ribosomal protein L5-1; Component of the ribosome, a large ribonucleoprotein complex responsible for the synthesis of proteins in the cell. The small ribosomal subunit (SSU) binds messenger RNAs (mRNAs) and translates the encoded message by selecting cognate aminoacyl-transfer RNA (tRNA) molecules. The large subunit (LSU) contains the ribosomal catalytic site termed the peptidyl transferase center (PTC), which catalyzes the formation of peptide bonds, thereby polymerizing the amino acids delivered by tRNAs into a polypeptide chain. The nascent polypeptides leave the ribosome throug [...] (301 aa)
ARLARGOS-like protein; Promotes cell expansion-dependent organ growth, probably via a brassinosteroids signaling pathway. Acts downstream of BRI1. (135 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)
KAN1Transcription repressor KAN1; Transcriptional repressor that regulates lateral organ polarity. Promotes lateral organ abaxial identity by repressing the adaxial regulator ASYMMETRIC LEAVES2 (AS2) in abaxial cells. Required for abaxial identity in both leaves and carpels. Functions with KAN2 in the specification of polarity of the ovule outer integument. Regulates cambium activity by repressing the auxin efflux carrier PIN1. Plays a role in lateral root formation and development. (403 aa)
KAN3Probable transcription factor KAN3; Probable transcription factor that regulates lateral organ polarity. Plays a role in lateral root formation and development. (322 aa)
MET1Protein MET1, chloroplastic; Involved in photosystem II supercomplex formation and repair, probably acting as a psbB/psbC chaperone on the stromal side of the membrane. (335 aa)
HEN1Small RNA 2'-O-methyltransferase; Methyltransferase that adds a methyl group to the ribose of the last nucleotide of small RNAs (sRNAs). This protects the 3'-end of sRNAs from uridylation activity and subsequent degradation. Can methylate 3'-end of microRNAs (miRNAs), small interfering RNAs (siRNas) and trans-acting small interfering RNAs (ta-siRNAs). Involved in plant development through its role in small RNAs processing. Required for the specification of reproductive organ identities and the probable repression of A class genes. May control floral determinacy possibly by regulating t [...] (942 aa)
KAN2Probable transcription factor KAN2; Probable transcription factor that regulates lateral organ polarity. Promotes abaxial cell fate during lateral organd formation. Functions with KAN1 in the specification of polarity of the ovule outer integument. (388 aa)
AGO7Protein argonaute 7; Involved in RNA-mediated post-transcriptional gene silencing (PTGS). Main component of the RNA-induced silencing complex (RISC) that binds to a short guide RNA such as a microRNA (miRNA) or small interfering RNA (siRNA). RISC uses the mature miRNA or siRNA as a guide for slicer-directed cleavage of homologous mRNAs to repress gene expression. Required for the processing of 21 nucleotide trans-acting siRNAs (ta-siRNAs) derived from TAS3a transcripts. Associates preferentially with the microRNA (miRNA) miR390 which guides the cleavage of TAS3 precursor RNA. Seems to [...] (990 aa)
SGS3Protein SUPPRESSOR OF GENE SILENCING 3; Required for post-transcriptional gene silencing and natural virus resistance. May bind nucleic acids and is essential for the biogenesis of trans-acting siRNAs but is not required for silencing induced by IR-PTGS. Involved in the juvenile-to-adult transition regulation. In case of begomoviruses infection, it is targeted by the viral protein V2 leading to suppression of post-transcriptional gene silencing. (625 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)
YUC5Probable indole-3-pyruvate monooxygenase YUCCA5; Involved in auxin biosynthesis. Belongs to the set of redundant YUCCA genes probably responsible for auxin biosynthesis in roots. (424 aa)
CYP78A5Cytochrome P450 78A5; Plays a role in regulating directional growth at the meristem/organ boundary. Is required for the promotion of leaf and floral organ growth and for the prolongation of the plastochron. Promotes organ growth in a non-cell-autonomous manner and may generate a mobile growth signal distinct from the classical phytohormones that prevents premature arrest of proliferation, until the correct primordium size has been reached. Functions probably in association with CYP78A7 in regulating relative growth of the shoot apical meristem and plant organs. Is required locally in d [...] (517 aa)
RPS21B40S ribosomal protein S21-1; Belongs to the eukaryotic ribosomal protein eS21 family. (82 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)
RDR6RNA-dependent RNA polymerase 6; RNA-dependent RNA polymerase involved in post-transcriptional gene silencing (PTGS). Possesses ssRNA and ssDNA-dependent polymerase activity, but does not have priming activity. Possesses in vitro 3' nucleotidyltransferase activity in the presence of UTP as single nucleotide. Required for the production of 21 nucleotide trans-acting small interfering RNAs (ta-siRNAs) derived from TAS1, TAS2 and TAS3 endogenous transcripts. Acts in the RDR6/SGS3/DCL4/AGO7 ta-siRNA pathway involved in leaf developmental timing. Required for the production of natural siRNAs [...] (1196 aa)
WOX3WUSCHEL-related homeobox 3; Probable transcription factor required to initiate organ founder cells in a lateral domain of shoot meristems. Involved in the lateral sepal axis-dependent development of flowers, probably by regulating the proliferation of L1 cells at the lateral region of flower primordia. Required for the formation of the margin cells of the first and second whorl organs. (244 aa)
DCL1Endoribonuclease Dicer homolog 1; Ribonuclease (RNase) III involved in RNA-mediated post- transcriptional gene silencing (PTGS). Functions in the microRNAs (miRNAs) biogenesis pathway by cleaving primary miRNAs (pri-miRNAs) and precursor miRNAs (pre-miRNAs). Functions with DRB1/HYL1 and SERRATE proteins for accurate pri-miRNAs to miRNAs processing. Indirectly involved in the production of trans-acting small interfering RNAs (ta- siRNAs) derived from the TAS1, TAS2 or TAS3 endogenous transcripts by participating in the production of their initiating miRNAs. Involved in the processing of [...] (1909 aa)
MED14Mediator of RNA polymerase II transcription subunit 14; Component of the Mediator complex, a coactivator involved in the regulated transcription of nearly all RNA polymerase II-dependent genes. Mediator functions as a bridge to convey information from gene- specific regulatory proteins to the basal RNA polymerase II transcription machinery. The Mediator complex, having a compact conformation in its free form, is recruited to promoters by direct interactions with regulatory proteins and serves for the assembly of a functional preinitiation complex with RNA polymerase II and the general [...] (1703 aa)
YUC2Indole-3-pyruvate monooxygenase YUCCA2; Involved in auxin biosynthesis. Converts the indole-3-pyruvic acid (IPA) produced by the TAA family to indole-3-acetic acid (IAA). Unable to use tryptamine (TAM) as substrate. 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. (415 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)
YAB2Putative axial regulator YABBY 2; Involved in the abaxial cell fate determination during embryogenesis and organogenesis. (184 aa)
YAB3Axial regulator YABBY 3; Involved in the abaxial cell fate determination during embryogenesis and organogenesis. Regulates the initiation of embryonic shoot apical meristem (SAM) development. Contributes to the repression of KNOX genes (STM, KNAT1/BP and KNAT2) to avoid ectopic meristems. Binds DNA without sequence specificity. Belongs to the YABBY family. (240 aa)
AGO10Protein argonaute 10; Involved in RNA-mediated post-transcriptional gene silencing (PTGS). Main component of the RNA-induced silencing complex (RISC) that binds to a short guide RNA such as a microRNA (miRNA) or small interfering RNA (siRNA). RISC uses the mature miRNA or siRNA as a guide for slicer-directed cleavage of homologous mRNAs to repress gene expression. Required for reliable formation of primary and axillary shoot apical meristems. Specifies leaf adaxial identity by repressing the miR165 and miR166 microRNAs in the embryonic shoot apex, in the shoot apical meristem (SAM) and [...] (988 aa)
NPR5Regulatory protein NPR5; May act as a substrate-specific adapter of an E3 ubiquitin- protein ligase complex (CUL3-RBX1-BTB) which mediates the ubiquitination and subsequent proteasomal degradation of target proteins (By similarity). Acts redundantly with BOP2. BOP1/2 promote leaf and floral meristem fate and determinacy in a pathway targeting AP1 and AGL24. BOP1/2 act as transcriptional co-regulators through direct interaction with TGA factors, including PAN, a direct regulator of AP1. Controls lateral organ fate through positive regulation of adaxial-abaxial polarity genes ATHB-14/PHB [...] (491 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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