STRINGSTRING
PYL5 PYL5 AHG1 AHG1 BKI1 BKI1 GT-1 GT-1 RPS2-2 RPS2-2 DPBF3 DPBF3 BZR2 BZR2 HAB2 HAB2 BSU1 BSU1 NCED3 NCED3 BSK2 BSK2 RLK902 RLK902 SCPL24 SCPL24 BSK6 BSK6 ABF3 ABF3 NCED9 NCED9 ABI5 ABI5 PEPR1 PEPR1 BRL2 BRL2 BEH4 BEH4 HAI3 HAI3 AIP1 AIP1 EFR EFR BSK4 BSK4 BSK7 BSK7 CHR5 CHR5 ABI2 ABI2 BRI1 BRI1 LYK5 LYK5 PYR1 PYR1 CCD1 CCD1 PYL4 PYL4 ABI1 ABI1 PP2CA PP2CA rps2 rps2 ASK7 ASK7 PIF5 PIF5 PYL9 PYL9 ABCG25 ABCG25 ABA4 ABA4 BZR1 BZR1 PIF4 PIF4 BSK3 BSK3 ABCG22 ABCG22 BSK1 BSK1 BEH2 BEH2 BAK1 BAK1 BIR1 BIR1 MAPKKK5 MAPKKK5 ABA3 ABA3 NCED5 NCED5 HAB1 HAB1 ZEP ZEP BSK8 BSK8 SAG113 SAG113 BSK5 BSK5
Nodes:
Network nodes represent proteins
splice isoforms or post-translational modifications are collapsed, i.e. each node represents all the proteins produced by a single, protein-coding gene locus.
Node Color
colored nodes:
query proteins and first shell of interactors
white nodes:
second shell of interactors
Node Content
empty nodes:
proteins of unknown 3D structure
filled nodes:
a 3D structure is known or predicted
Edges:
Edges represent protein-protein associations
associations are meant to be specific and meaningful, i.e. proteins jointly contribute to a shared function; this does not necessarily mean they are physically binding to each other.
Known Interactions
from curated databases
experimentally determined
Predicted Interactions
gene neighborhood
gene fusions
gene co-occurrence
Others
textmining
co-expression
protein homology
Your Input:
PYL5Abscisic acid receptor PYL5; Receptor for abscisic acid (ABA) required for ABA-mediated responses such as stomatal closure and germination inhibition. Inhibits the activity of group-A protein phosphatases type 2C (PP2Cs) in an ABA- independent manner but more efficiently when activated by ABA. Confers enhanced sensitivity to ABA. Can be activated by both (-)-ABA and (+)-ABA. (203 aa)
AHG1Probable protein phosphatase 2C 75; Negative regulator of abscisic acid (ABA) responses during seed germination; Belongs to the PP2C family. (416 aa)
BKI1BRI1 kinase inhibitor 1; Negative regulator of brassinosteroid signaling. When associated to the membrane, limits the interaction of BRI1 with BAK1 by binding to the kinase-inactive form of BRI1. (337 aa)
GT-1Trihelix transcription factor GT-1; Probable transcription factor that binds specifically to the core DNA sequence 5'-GGTTAA-3'. May act as a molecular switch in response to light signals. (406 aa)
RPS2-2Ribosomal protein S2, mitochondrial. (219 aa)
DPBF3ABSCISIC ACID-INSENSITIVE 5-like protein 2; Binds to the embryo specification element and the ABA- responsive element (ABRE) of the Dc3 gene promoter. Could participate in abscisic acid-regulated gene expression during seed development. (297 aa)
BZR2Protein BRASSINAZOLE-RESISTANT 2; Positive regulator of brassinosteroid (BR) signaling. Transcription factor that activates target gene expression by binding specifically to the DNA sequence 5'-CANNTG-3'(E box) through its N- terminal domain. Can bind individually to the promoter as a homodimer or synergistically as a heterodimer with BIM1, BIM2 or BIM3. The C- terminal domain is probably involved in transcriptional activation. Recruits the transcription elongation factor IWS1 to control BR- regulated gene expression. Forms a trimeric complex with IWS1 and ASHH2/SDG8 to regulate BR-reg [...] (335 aa)
HAB2Protein phosphatase 2C 7; 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. (511 aa)
BSU1Serine/threonine-protein phosphatase BSU1; Phosphatase that acts as a positive regulator of brassinosteroid (BR) signaling. Dephosphorylates BES1, a transcription factor that regulates the expression of BR-response genes, thereby playing an important role in the regulation of response to BRs. Inactivates the negative regulator of BR signaling ASK7/BIN2 by dephosphorylation at 'Tyr-200'. (793 aa)
NCED39-cis-epoxycarotenoid dioxygenase NCED3, chloroplastic; Has a 11,12(11',12') 9-cis epoxycarotenoid cleavage activity. Catalyzes the first step of abscisic-acid biosynthesis from carotenoids, in response to water stress. (599 aa)
BSK2Serine/threonine-protein kinase BSK2; Probable serine/threonine kinase that acts as positive regulator of brassinosteroid (BR) signaling downstream of the receptor kinase BRI1. Mediates signal transduction from BRI1 by functioning as substrate of BRI1. (489 aa)
RLK902Probable inactive receptor kinase RLK902; Belongs to the protein kinase superfamily. Ser/Thr protein kinase family. (647 aa)
SCPL24Serine carboxypeptidase 24 chain A; Active serine carboxypeptidase with broad substrate preference, including basic and hydrophilic groups. Processes a protein involved in an early event in the brassinosteroid signaling pathway. (465 aa)
BSK6Serine/threonine-protein kinase BSK6; Probable serine/threonine kinase that acts as positive regulator of brassinosteroid (BR) signaling downstream of the receptor kinase BRI1. Functions redundantly with BSK3, BSK4, BSK7 and BSK8. Belongs to the protein kinase superfamily. Ser/Thr protein kinase family. (490 aa)
ABF3ABSCISIC ACID-INSENSITIVE 5-like protein 6; Binds to the ABA-responsive element (ABRE). Mediates stress- responsive ABA signaling; Belongs to the bZIP family. ABI5 subfamily. (454 aa)
NCED99-cis-epoxycarotenoid dioxygenase NCED9, chloroplastic; Has a 11,12(11',12') 9-cis epoxycarotenoid cleavage activity. Catalyzes the first step of abscisic-acid biosynthesis from carotenoids. Contributes probably to abscisic acid synthesis for the induction of seed dormancy. (657 aa)
ABI5Protein ABSCISIC ACID-INSENSITIVE 5; Participates in ABA-regulated gene expression during seed development and subsequent vegetative stage by acting as the major mediator of ABA repression of growth. Binds to the embryo specification element and the ABA-responsive element (ABRE) of the Dc3 gene promoter and to the ABRE of the Em1 and Em6 genes promoters. Can also trans- activate its own promoter, suggesting that it is autoregulated. Plays a role in sugar-mediated senescence. Belongs to the bZIP family. ABI5 subfamily. (442 aa)
PEPR1Leucine-rich repeat receptor-like protein kinase PEPR1; Acts as a receptor for PEP defense peptides. Unlike typical immune receptors, senses an endogenous elicitor that potentiates pathogen-associated molecular pattern (PAMP)-inducible plant responses. Involved in PAMP-triggered immunity (PTI) signaling. Interacts with and phosphorylates the kinase BIK1, a central rate-limiting kinase in PTI signaling. (1123 aa)
BRL2Serine/threonine-protein kinase BRI1-like 2; Receptor with a serine/threonine-protein kinase activity, which may transduce extracellular spatial and temporal signals into downstream cell differentiation responses in provascular and procambial cells. In contrast to BRI1, BRL1 and BRL3, it does not bind brassinolide. (1143 aa)
BEH4BES1/BZR1 homolog protein 4. (325 aa)
HAI3Probable protein phosphatase 2C 24. (362 aa)
AIP1Protein phosphatase 2C 3; Involved in the negative regulation of the K(+) potassium channel AKT1 by its dephosphorylation, antagonistically to CIPK proteins (e.g. CIPK23). Functions as positive regulator of abscisic acid-mediated cell signaling during seedling growth. Involved in the regulation of seed dormancy. Acts as negative regulator of seed dormancy by inhibiting abscisic signaling and subsequently activating gibberellic acid signaling ; Belongs to the PP2C family. (442 aa)
EFRLRR receptor-like serine/threonine-protein kinase EFR; Constitutes the pattern-recognition receptor (PPR) that determines the specific perception of elongation factor Tu (EF-Tu), a potent elicitor of the defense response to pathogen-associated molecular patterns (PAMPs). Reduces transformation by Rhizobium radiobacter probably by inducing plant defense during the interaction. Binding to the effector AvrPto1 from P.syringae blocks the downstream plant immune response while interaction with hopD2 decreases the phosphorylation level of EFR upon elf18 treatment. Specific endoplasmic reticu [...] (1031 aa)
BSK4Serine/threonine-protein kinase BSK4; Probable serine/threonine kinase that acts as positive regulator of brassinosteroid (BR) signaling downstream of the receptor kinase BRI1. Functions redundantly with BSK3, BSK6, BSK7 and BSK8. Belongs to the protein kinase superfamily. Ser/Thr protein kinase family. (483 aa)
BSK7Serine/threonine-protein kinase BSK7; Probable serine/threonine kinase that acts as positive regulator of brassinosteroid (BR) signaling downstream of the receptor kinase BRI1. Functions redundantly with BSK3, BSK5, BSK6 and BSK8. Belongs to the protein kinase superfamily. Ser/Thr protein kinase family. (487 aa)
CHR5Protein CHROMATIN REMODELING 5; DNA-binding helicase that specifically binds to the promoter of target genes, leading to chromatin remodeling, possibly by promoting deposition of histone H3.3 (By similarity). Probable chromatin remodeling factor. (1724 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)
BRI1Protein BRASSINOSTEROID INSENSITIVE 1; Receptor with a dual specificity kinase activity acting on both serine/threonine- and tyrosine-containing substrates. Regulates, in response to brassinosteroid binding, a signaling cascade involved in plant development, including expression of light- and stress-regulated genes, promotion of cell elongation, normal leaf and chloroplast senescence, and flowering. Binds brassinolide, and less effectively castasterone, but not 2,3,22,23-O-tetramethylbrassinolide or ecdysone. May be involved in a feedback regulation of brassinosteroid biosynthesis. Pho [...] (1196 aa)
LYK5Protein LYK5; May recognize microbe-derived N-acetylglucosamine (NAG)- containing ligands; Belongs to the protein kinase superfamily. Ser/Thr protein kinase family. (664 aa)
PYR1Abscisic acid receptor PYR1; Receptor for abscisic acid (ABA) required for ABA-mediated responses such as stomatal closure and germination inhibition. Inhibits the activity of group-A protein phosphatases type 2C (PP2Cs) when activated by ABA. Can be activated by both (-)-ABA and (+)-ABA. Promotes drought tolerance. (191 aa)
CCD1Carotenoid 9,10(9',10')-cleavage dioxygenase 1; Cleaves a variety of carotenoids symmetrically at both the 9- 10 and 9'-10' double bonds. Active on beta,beta-carotene, lutein, zeaxanthin, all-trans-violaxanthin, 9-cis-violaxanthin and 9'-cis- neoxanthin. With most substrates, the carotenoid is symmetrically cleaved. Probably not involved in abscisic acid biosynthesis. Belongs to the carotenoid oxygenase family. (538 aa)
PYL4Abscisic acid receptor PYL4; Receptor for abscisic acid (ABA) required for ABA-mediated responses such as stomatal closure and germination inhibition. Inhibits the activity of group-A protein phosphatases type 2C (PP2Cs) when activated by ABA. Can be activated by both (-)-ABA and (+)-ABA. (207 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)
PP2CAProtein phosphatase 2C 37; Major negative regulator of abscisic acid (ABA) responses during seed germination and cold acclimation. Confers insensitivity to ABA. Modulates negatively the AKT2/3 activity, which mediates K(+) transport and membrane polarization during stress situations, probably by dephosphorylation. Prevents stomata closure by inactivating the S- type anion efflux channel SLAC1 and its activator SRK2E. Represses KIN10 activity by the specific dephosphorylation of its T-loop Thr-198, leading to a poststress inactivation of SnRK1 signaling. (399 aa)
rps230S ribosomal protein S2, chloroplastic. (236 aa)
ASK7Shaggy-related protein kinase eta; Negative regulator in brassinosteroid signal transduction pathway important for plant growth. May be also involved in auxin signaling pathway. Phosphorylates and increases the degradation of BZR1 and BZR2/BES1 by the proteasome. Phosphorylates BHLH150, beet curly top virus C4 and tomato golden mosaic virus AC4 on threonine and serine residues. Upon brassinosteroid signaling, inhibits stomatal development by phosphorylating and inhibiting the MAPKK kinase YDA and the MAPK kinases MKK4 and MKK5. Phosphorylates BSK1, BSK3, BSK5, BSK6, BSK8 AND BSK11 in v [...] (380 aa)
PIF5Transcription factor PIF5; Transcription factor acting negatively in the phytochrome B signaling pathway to promote the shade-avoidance response. Regulates PHYB abundance at the post-transcriptional level, possibly via the ubiquitin-proteasome pathway. Promotes ethylene activity in the dark. May regulate the expression of a subset of genes by binding to the G- box motif. Might be involved in the integration of light-signals to control both circadian and photomorphogenic processes. Activated by CRY1 and CRY2 in response to low blue light (LBL) by direct binding at chromatin on E-box var [...] (444 aa)
PYL9Abscisic acid receptor PYL9; Receptor for abscisic acid (ABA) required for ABA-mediated responses such as stomatal closure and germination inhibition. Inhibits the activity of group-A protein phosphatases type 2C (PP2Cs) in an ABA- independent manner but more efficiently when activated by ABA. Confers enhanced sensitivity to ABA. Can be activated only by (+)-ABA but not by (-)-ABA. (187 aa)
ABCG25ABC transporter G family member 25. (662 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)
BZR1Protein BRASSINAZOLE-RESISTANT 1; Transcriptional repressor that binds to the brassinosteroid (BR) response element (BRRE) 5'-CGTG(T/C)G-3' in gene promoter. Regulates positively the brassinosteroid-signaling pathway. Mediates downstream growth responses and negative feedback regulation of brassinosteroid biosynthesis. Promotes growth. Modulates ovule initiation and development by monitoring the expression of genes related to ovule development (e.g. HLL, ANT, and AP2). (336 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)
BSK3Serine/threonine-protein kinase BSK3; Probable serine/threonine kinase that acts as positive regulator of brassinosteroid (BR) signaling downstream of the receptor kinase BRI1. Mediates signal transduction from BRI1 by functioning as substrate of BRI1. Functions redundantly with BSK4, BSK6, BSK7 and BSK8. (489 aa)
ABCG22ABC transporter G family member 22. (751 aa)
BSK1Serine/threonine-protein kinase BSK1; Serine/threonine kinase that acts as positive regulator of brassinosteroid (BR) signaling downstream of the receptor kinase BRI1. Mediates signal transduction from BRI1 by functioning as substrate of BRI1. Functions as a positive regulator of plant immunity. May be involved in the regulation of pattern-triggered immunity (PTI) downstream of the flagellin receptor FLS2. Possesses kinase activity in vitro. Kinase activity is required for its function in innate immunity. (512 aa)
BEH2BES1/BZR1 homolog protein 2. (318 aa)
BAK1BRASSINOSTEROID INSENSITIVE 1-associated receptor kinase 1; Dual specificity kinase acting on both serine/threonine- and tyrosine-containing substrates. Controls the expression of genes associated with innate immunity in the absence of pathogens or elicitors. Involved in brassinosteroid (BR) signal transduction. Phosphorylates BRI1. May be involved in changing the equilibrium between plasma membrane-located BRI1 homodimers and endocytosed BRI1- BAK1 heterodimers. Interaction with MSBP1 stimulates the endocytosis of BAK1 and suppresses brassinosteroid signaling. Acts in pathogen- associ [...] (615 aa)
BIR1Probably inactive leucine-rich repeat receptor-like protein kinase At5g48380. (620 aa)
MAPKKK5Mitogen-activated protein kinase kinase kinase 5; Mitogen-activated protein kinase (MAPK) involved in the transduction of signal between the host cell surface chitin receptor complex CERK1-LYK5 and the intracellular MAPK cascade that leads to chitin-induced immunity. Phosphorylates and activates MAPK targets (e.g. MKK4, MKK5, and possibly MKK2) when phosphorylated by PBL27 after elicitation by chitin. Required for resistance to the fungus A.brassicicola. (716 aa)
ABA3Molybdenum cofactor sulfurase; Sulfurates the molybdenum cofactor. Sulfation of molybdenum is essential for xanthine dehydrogenase (XDH) and aldehyde oxidase (ADO) enzymes in which molybdenum cofactor is liganded by 1 oxygen and 1 sulfur atom in active form. Modulates cold stress- and osmotic stress-responsive gene expression by acting as key regulator of abscisic acid (ABA) biosynthesis. Belongs to the class-V pyridoxal-phosphate-dependent aminotransferase family. MOCOS subfamily. (819 aa)
NCED5Probable 9-cis-epoxycarotenoid dioxygenase NCED5, chloroplastic; Has a 11,12(11',12') 9-cis epoxycarotenoid cleavage activity. Catalyzes the first step of abscisic-acid biosynthesis from carotenoids (By similarity); Belongs to the carotenoid oxygenase family. (589 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)
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)
BSK8Serine/threonine-protein kinase BSK8; Probable serine/threonine kinase that acts as positive regulator of brassinosteroid (BR) signaling downstream of the receptor kinase BRI1. Functions redundantly with BSK3, BSK4, BSK6 and BSK7. Involved in the regulation of sucrose-phosphate synthase 1 (SPS1) in the context of sucrose resuply after starvation. Activates BSL2, a phosphatase that may dephosphorylate SPS1, leading to the activation of SPS1 ; Belongs to the protein kinase superfamily. Ser/Thr protein kinase family. (487 aa)
SAG113Probable protein phosphatase 2C 78; Acts as negative regulator of abscisic acid (ABA) signaling for stomatal closure in leaves, and controls water loss during leaf senescence. Activated by the NAC029/NAP transcription factor during ABA signaling in senescing leaves. Functions as negative regulator of osmotic stress and ABA signaling. Acts as negative regulator of response to drought. Belongs to the PP2C family. (413 aa)
BSK5Serine/threonine-protein kinase BSK5; Probable serine/threonine kinase that acts as positive regulator of brassinosteroid (BR) signaling downstream of the receptor kinase BRI1. Involved in abiotic stress tolerance. Required for salt stress and abscisic acid-mediated drought stress tolerance. (489 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
Server load: low (20%) [HD]
STRING is a Core Data Resource as designated by Global Biodata Coalition and ELIXIR.