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BG1 BG1 ABH1 ABH1 CPK21 CPK21 SRK2I SRK2I F1C9.19 F1C9.19 F6N18.16 F6N18.16 COI1 COI1 ABI2 ABI2 CLH1 CLH1 RBOHF RBOHF ETO1 ETO1 GPA1 GPA1 AHA2 AHA2 AHA1 AHA1 ERD10 ERD10 ABI1 ABI1 NPF6.3 NPF6.3 RD29A RD29A RD22 RD22 PP2AA1 PP2AA1 KAT2 KAT2 CPK4 CPK4 CPK6 CPK6 FTB FTB AKT1 AKT1 CPK11 CPK11 KAT1 KAT1 SRK2D SRK2D MYC2 MYC2 CPK3 CPK3 ABCG25 ABCG25 T4C12_30 T4C12_30 ABA4 ABA4 F13O11.3 F13O11.3 ABCG22 ABCG22 SRK2E SRK2E CYP707A1 CYP707A1 GORK GORK TPC1 TPC1 AUX1 AUX1 ABA2 ABA2 HAB1 HAB1 PSK5 PSK5 ZEP ZEP RBOHD RBOHD SLAC1 SLAC1
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splice isoforms or post-translational modifications are collapsed, i.e. each node represents all the proteins produced by a single, protein-coding gene locus.
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query proteins and first shell of interactors
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second shell of interactors
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proteins of unknown 3D structure
filled nodes:
a 3D structure is known or predicted
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Known Interactions
from curated databases
experimentally determined
Predicted Interactions
gene neighborhood
gene fusions
gene co-occurrence
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textmining
co-expression
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BG1Probable glucan endo-1,3-beta-glucosidase BG1; May play a role in plant defense against pathogens. (340 aa)
ABH1Nuclear cap-binding protein subunit 1; Component of the cap-binding complex (CBC), which binds cotranscriptionally to the 5'-cap of pre-mRNAs and is involved in various processes such as pre-mRNA splicing and RNA-mediated gene silencing (RNAi) by microRNAs (miRNAs). The CBC complex is involved in miRNA-mediated RNA interference and is required for primary miRNA processing. In the CBC complex, ABH1/CBP80 does not bind directly capped RNAs (m7GpppG-capped RNA) but is required to stabilize the movement of the N-terminal loop of CBP20 and lock the CBC into a high affinity cap-binding state [...] (848 aa)
CPK21Calcium-dependent protein kinase 21; May play a role in signal transduction pathways that involve calcium as a second messenger. Mediates the phosphorylation and activation of the S-type anion efflux channel SLAC1. Belongs to the protein kinase superfamily. Ser/Thr protein kinase family. CDPK subfamily. (531 aa)
SRK2ISerine/threonine-protein kinase SRK2I; Together with SRK2D, key component and activator of the abscisic acid (ABA) signaling pathway that regulates numerous ABA responses, such as seed germination, Pro accumulation, root growth inhibition, dormancy and seedling growth, and, to a lesser extent, stomatal closure. (361 aa)
F1C9.19Transferase. (666 aa)
F6N18.16Alcohol dehydrogenase-like 3. (394 aa)
COI1Coronatine-insensitive protein 1; Required for jasmonate-regulated plant fertility and defense processes, and for coronatine and/or other elicitors perceptions/responses. Seems to not be required for meiosis. Required for the regulation of some genes induced by wounding, but not for all. Component of SCF(COI1) E3 ubiquitin ligase complexes, which may mediate the ubiquitination and subsequent proteasomal degradation of target proteins (probably including the ribulose bisphosphate carboxylase small chain 1B RBCS-1B and the histone deacetylase HDA6). These SCF complexes play crucial roles [...] (592 aa)
ABI2Protein phosphatase 2C 77; Repressor of the abscisic acid (ABA) signaling pathway that regulates numerous ABA responses, such as stomatal closure, osmotic water permeability of the plasma membrane (Pos), high light stress, response to glucose, seed germination and inhibition of vegetative growth. During the stomatal closure regulation, modulates the inward calcium-channel permeability as well as H(2)O(2) and oxidative burst in response to ABA and dehydration. Represses GHR1 and, to some extent, SRK2E/OST1, kinases involved in the regulation of SLAC1-dependent stomatal closure. Controls [...] (423 aa)
CLH1Chlorophyllase-1; Catalyzes the hydrolysis of ester bond in chlorophyll to yield chlorophyllide and phytol. Shows a preferential activity toward chlorophyll a; Belongs to the AB hydrolase superfamily. Lipase family. (324 aa)
RBOHFRespiratory burst oxidase homolog protein F; Calcium-dependent NADPH oxidase that generates superoxide. Generates reactive oxygen species (ROS) during incompatible interactions with pathogens and is important in the regulation of the hypersensitive response (HR). Involved in abscisic acid-induced stomatal closing and in UV-B and abscisic acid ROS-dependent signaling. Belongs to the RBOH (TC 5.B.1.3) family. (944 aa)
ETO1Ethylene-overproduction protein 1; Essential regulator of the ethylene pathway, which acts by regulating the stability of 1-aminocyclopropane-1-carboxylate synthase (ACS) enzymes. May act as a substrate-specific adapter that connects ACS enzymes, such as ACS5, to ubiquitin ligase complexes, leading to proteasomal degradation of ACS enzymes; Belongs to the ETO1 family. (951 aa)
GPA1Guanine 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)
AHA2ATPase 2, plasma membrane-type; The plasma membrane H(+) ATPase of plants and fungi generates a proton gradient that drives the active transport of nutrients by H(+)-symport. The resulting external acidification and/or internal alkinization may mediate growth responses. Involved in maintaining the membrane potential and delta-pH, together forming the plasma membrane protonmotive force (PMF) required for root and hypocotyl elongation and root tropism. Important for root growth and development during different nitrogen regimes. Forms a functional cation-translocating unit with CNGC17 tha [...] (948 aa)
AHA1ATPase 1, plasma membrane-type; The plasma membrane H(+) ATPase of plants and fungi generates a proton gradient that drives the active transport of nutrients by H(+)-symport. The resulting external acidification and/or internal alkinization may mediate growth responses. Forms a functional cation- translocating unit with CNGC17 that is activated by PSKR1/BAK1 and possibly other BAK1/RLK complexes. (949 aa)
ERD10Dehydrin ERD10. (260 aa)
ABI1Protein phosphatase 2C 56; Key component and repressor of the abscisic acid (ABA) signaling pathway that regulates numerous ABA responses, such as stomatal closure, osmotic water permeability of the plasma membrane (Pos), drought-induced resistance and rhizogenesis, response to glucose, high light stress, seed germination and inhibition of vegetative growth. During the stomatal closure regulation, modulates the inward calcium-channel permeability as well as the actin reorganization in guard cells in response to ABA. Involved in the resistance to the bacterial pathogen Pseudomonas syrin [...] (434 aa)
NPF6.3Protein NRT1/ PTR FAMILY 6.3; Dual affinity nitrate transporter. Involved in proton- dependent nitrate uptake and in the regulation of the nitrate transporter NRT2.1. Acts also as a nitrate sensor that trigger a specific signaling pathway stimulating lateral root growth and seed germination. The uptake activity is not required for sensor function. Displays an auxin transport facilitation inhibited by high nitrate concentration. Required to prevent auxin accumulation in preemerged lateral root primordia and young lateral roots when external nitrate concentration is low or null. May be i [...] (590 aa)
RD29ALow-temperature-induced 78 kDa protein; Involved in responses to abiotic stresses. Regulates probably root elongation in cold conditions ; Belongs to the LTI78/LTI65 family. (710 aa)
RD22BURP domain protein RD22; Acts to suppress chlorophyll degradation under moisture stress. (392 aa)
PP2AA1Serine/threonine-protein phosphatase 2A 65 kDa regulatory subunit A alpha isoform; The A subunit of protein phosphatase 2A serves as a scaffolding molecule to coordinate the assembly of the catalytic subunit and a variable regulatory B subunit. Seems to act as a positive regulator of PP2A catalytic activity. Confers resistance to phosphatase inhibitors such as okadaic acid and cantharidin. Involved during developmental process such as seedling and floral developments, root gravitropism, and stomatal opening regulation. Involved in the regulation of auxin efflux, especially during basip [...] (588 aa)
KAT2Potassium channel KAT2; Highly selective inward-rectifying potassium channel. This voltage-dependent channel could mediate long-term potassium influx into guard cells leading to stomatal opening. Assuming opened or closed conformations in response to the voltage difference across the membrane, the channel is activated by hyperpolarization. The channel activity is enhanced upon external acidification. (697 aa)
CPK4Calcium-dependent protein kinase 4; May play a role in signal transduction pathways that involve calcium as a second messenger. Functions as regulator of the calcium- mediated abscisic acid (ABA) signaling pathway. Phosphorylates ABA- responsive transcription factors ABF1 and ABF4 in vitro. Phosphorylates the nuclear zinc finger Di19 in vitro. (501 aa)
CPK6Calcium-dependent protein kinase 6; May play a role in signal transduction pathways that involve calcium as a second messenger. Functions in abscisic acid (ABA) regulation of guard cell S-type anion- and Ca(2+)-permeable channels and stomatal closure. Phosphorylates FD ; Belongs to the protein kinase superfamily. Ser/Thr protein kinase family. CDPK subfamily. (544 aa)
FTBProtein farnesyltransferase subunit beta; Catalyzes the transfer of a farnesyl moiety from farnesyl diphosphate to a cysteine at the fourth position from the C-terminus of several proteins having the C-terminal sequence Cys-aliphatic- aliphatic-X (CaaX). The beta subunit is responsible for peptide- binding. (482 aa)
AKT1Potassium channel AKT1; Highly selective inward-rectifying potassium channel that mediate potassium uptake by plant roots in response to low K(+) conditions, by a calcium-, CBL-, and CIPK-dependent pathway. Positively regulated by phosphorylation by CIPK23. Negatively regulated by a kinase-independent regulatory mechanism involving a competing direct binding of CBL10. Involved in the stomatal regulation by monitoring the turgor pressure in guard cells. Assuming opened or closed conformations in response to the voltage difference across the membrane, the channel is activated by hyperpol [...] (857 aa)
CPK11Calcium-dependent protein kinase 11; May play a role in signal transduction pathways that involve calcium as a second messenger. Functions as regulator of the calcium- mediated abscisic acid (ABA) signaling pathway. Phosphorylates ABA- responsive transcription factors ABF1 and ABF4 in vitro. Belongs to the protein kinase superfamily. Ser/Thr protein kinase family. CDPK subfamily. (495 aa)
KAT1Potassium channel KAT1; Highly selective inward-rectifying potassium channel. This voltage-gated channel could mediate long-term potassium influx into guard cells leading to stomatal opening. Assuming opened or closed conformations in response to the voltage difference across the membrane, the channel is activated by hyperpolarization. The channel activity is enhanced upon external acidification. Also permeable to ammonium ions. Blocked by tetraethylammonium and barium ions. (677 aa)
SRK2DSerine/threonine-protein kinase SRK2D; Together with SRK2I, key component and activator of the abscisic acid (ABA) signaling pathway that regulates numerous ABA responses, such as seed germination, Pro accumulation, root growth inhibition, dormancy and seedling growth, and, to a lesser extent, stomatal closure; Belongs to the protein kinase superfamily. Ser/Thr protein kinase family. (362 aa)
MYC2Transcription factor MYC2; Transcriptional activator. Common transcription factor of light, abscisic acid (ABA), and jasmonic acid (JA) signaling pathways. With MYC3 and MYC4, controls additively subsets of JA-dependent responses. In cooperation with MYB2 is involved in the regulation of ABA-inducible genes under drought stress conditions. Can form complexes with all known glucosinolate-related MYBs to regulate glucosinolate biosynthesis. Binds to the MYC recognition site (5'-CACATG-3'), and to the G-box (5'-CACNTG-3') and Z-box (5'-ATACGTGT-3') of promoters. Binds directly to the prom [...] (623 aa)
CPK3Calcium-dependent protein kinase 3; May play a role in signal transduction pathways that involve calcium as a second messenger. Functions in abscisic acid (ABA) regulation of guard cell S-type anion- and Ca(2+)-permeable channels and stomatal closure. (529 aa)
ABCG25ABC transporter G family member 25. (662 aa)
T4C12_30Alcohol dehydrogenase-like 6. (381 aa)
ABA4Protein ABA DEFICIENT 4, chloroplastic; Required for neoxanthin biosynthesis, an intermediary step in abscisic acid (ABA) biosynthesis. Probably not involved directly in the enzymatic conversion of violaxanthin to neoxanthin. Cannot convert violaxanthin to neoxanthin in vitro. Required for ABA biosynthesis in response to drought stress. Required for neoxanthin biosynthesis which is involved in photoprotection of photosystem II (PSII). Neoxanthin acts as an antioxidant within the photosystem PSII supercomplex. (220 aa)
F13O11.3Alcohol dehydrogenase-like 4; Belongs to the zinc-containing alcohol dehydrogenase family. Class-III subfamily. (380 aa)
ABCG22ABC transporter G family member 22. (751 aa)
SRK2ESerine/threonine-protein kinase SRK2E; Activator of the abscisic acid (ABA) signaling pathway that regulates numerous ABA responses, such as stomata closure in response to drought, darkness, high CO(2), plant pathogens, or decreases in atmospheric relative humidity (RH). Involved in the resistance to drought by avoiding water loss. Required for the stomata closure mediated by pathogen-associated molecular pattern (PAMPs) (e.g. flg22 and LPS) of pathogenic bacteria such as P.syringae pv. tomato (Pst) and E.coli O157:H7. As a plant defense process, stomata are closed transiently in order [...] (362 aa)
CYP707A1Abscisic acid 8'-hydroxylase 1; Involved in the oxidative degradation of abscisic acid. Plays an important role in determining abscisic acid levels in dry seeds and in the control of postgermination growth; Belongs to the cytochrome P450 family. (467 aa)
GORKPotassium channel GORK; Major selective outward-rectifying potassium channel of the guard cell membrane. Involved in regulation of stomatal movements according to the water status. Assuming opened or closed conformations in response to the voltage difference across the membrane, the channel is activated by depolarization. Conductance of the channel is modulated in a potassium-dependent fashion. May interact with the cytoskeleton or with regulatory proteins. (820 aa)
TPC1Two pore calcium channel protein 1; Functions as a voltage-gated inward-rectifying Ca(2+) channel (VDCC) across the vacuole membrane. Is one of the essential components of the slow vacuolar (SV) channel. Acts as the major ROS-responsive Ca(2+) channel and is the possible target of Al-dependent inhibition. Involved in the regulation of germination and stomatal movement. Belongs to the calcium channel alpha-1 subunit (TC 1.A.1.11) family. Two pore calcium channel subfamily. (733 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)
ABA2Xanthoxin dehydrogenase; Involved in the biosynthesis of abscisic acid. (285 aa)
HAB1Protein phosphatase 2C 16; Key component and repressor of the abscisic acid (ABA) signaling pathway that regulates numerous ABA responses, such as stomatal closure, seed germination and inhibition of vegetative growth. Confers enhanced sensitivity to drought. Belongs to the PP2C family. (511 aa)
PSK5Phytosulfokine-alpha; Promotes plant cell differentiation, organogenesis and somatic embryogenesis as well as cell proliferation (By similarity). May be involved in the low quiescent center cell proliferation. Belongs to the phytosulfokine family. (77 aa)
ZEPZeaxanthin epoxidase, chloroplastic; Zeaxanthin epoxidase that plays an important role in the xanthophyll cycle and abscisic acid (ABA) biosynthesis. Converts zeaxanthin into antheraxanthin and subsequently violaxanthin. Required for resistance to osmotic and drought stresses, ABA-dependent stomatal closure, seed development and dormancy, modulation of defense gene expression and disease resistance and non-photochemical quencing (NPQ). Through its role in ABA biosynthesis, regulates the expression of stress-responsive genes such as RD29A during osmotic stress and is required for normal [...] (667 aa)
RBOHDRespiratory burst oxidase homolog protein D; Calcium-dependent NADPH oxidase that generates superoxide. Involved in the generation of reactive oxygen species (ROS) during incompatible interactions with pathogens and in UV-B and abscisic acid ROS-dependent signaling. Might be required for ROS signal amplification during light stress. Belongs to the RBOH (TC 5.B.1.3) family. (921 aa)
SLAC1Guard cell S-type anion channel SLAC1; Slow, weak voltage-dependent S-type anion efflux channel involved in maintenance of anion homeostasis. Cl(-) efflux through SLAC1 causes membrane depolarization, which activates outward- rectifying K1 channels, leading to KCl and water efflux to reduce turgor further and cause stomatal closure, that reduces water loss and promotes leaf turgor. Essential for stomatal closure in response to CO(2), abscisic acid (ABA), ozone O(3), light/dark transitions, humidity change, calcium ions, hydrogen peroxide H(2)O(2), reactive oxygen species (ROS), and nit [...] (556 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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