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MPK3 MPK3 EFR EFR RPP4 RPP4 CBP60G CBP60G SNC1 SNC1 BIK1 BIK1 MKK4 MKK4 ACT1 ACT1 CAM1 CAM1 CAM2 CAM2 CML10 CML10 GB1 GB1 CAM7 CAM7 NPR1 NPR1 CAM6 CAM6 CPK4 CPK4 MEKK1 MEKK1 BAP2 BAP2 NPR4 NPR4 ACS12 ACS12 NPR3 NPR3 AGP5 AGP5 CML46 CML46 BAP1 BAP1 BON1 BON1 BAK1 BAK1 WRKY18 WRKY18 SARD1 SARD1 CP1 CP1 ADR1 ADR1 FMO1 FMO1 ACS10 ACS10 HIPP14 HIPP14 WRKY70 WRKY70 GH3.12 GH3.12 ADR1-L2 ADR1-L2 PAD4 PAD4 ICS1 ICS1 WRKY40 WRKY40 NUDT6 NUDT6 WRKY60 WRKY60 SERK4 SERK4 RLP51 RLP51 CML47 CML47 PUB13 PUB13 TIR TIR NUDT7 NUDT7 EDS1 EDS1 MLO2 MLO2 ADR1-L1 ADR1-L1 ALD1 ALD1
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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
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a 3D structure is known or predicted
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from curated databases
experimentally determined
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MPK3Mitogen-activated protein kinase 3; Involved in oxidative stress-mediated signaling cascade (such as ozone). Involved in the innate immune MAP kinase signaling cascade (MEKK1, MKK4/MKK5 and MPK3/MPK6) downstream of bacterial flagellin receptor FLS2. May be involved in hypersensitive response (HR)-mediated signaling cascade by modulating LIP5 phosphorylation and subsequent multivesicular bodies (MVBs) trafficking. May phosphorylate regulators of WRKY transcription factors. Mediates the phosphorylation of VIP1 and subsequent stress genes transcription in response to Agrobacterium. MKK9-M [...] (370 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)
RPP4Disease resistance protein RPP4; TIR-NB-LRR receptor-like protein that confers resistance to the pathogen Hyaloperonospora arabidopsis isolates Emoy2 and Emwa1 (downy mildew disease). Plays a role in the regulation of temperature response during plant growth and survival. (1147 aa)
CBP60GCalmodulin-binding protein 60 G; Transcription activator that binds DNA in a sequence-specific manner, 5'-GAAATTTTGG-3', to promote the expression of target genes. Recruited to the promoter of ICS1 and other defense-related genes (e.g. PR1, PR2 and EDS5) in response to both biotic (e.g. Pseudomonas syringae pv. maculicola ES4326, P. syringae pv. tomato DC3000, and microbe- associated molecular patterns (MAMPs) such as flg22) and abiotic stresses (e.g. UV-B, drought and abscisic acid), thus triggering rapid defense responses by stimulating salicylic acid (SA) biosynthesis. Involved in b [...] (563 aa)
SNC1Protein SUPPRESSOR OF npr1-1, CONSTITUTIVE 1; Disease resistance protein of the TIR-NB-LRR-type. Part of the RPP5 locus that contains a cluster of several paralogous disease resistance (R) genes. Resistance proteins guard the plant against pathogens that contain an appropriate avirulence protein via an indirect interaction with this avirulence protein. That triggers a defense system including the hypersensitive response, which restricts the pathogen growth. Probably acts as a NAD(+) hydrolase (NADase): in response to activation, catalyzes cleavage of NAD(+) into ADP-D- ribose (ADPR) an [...] (1437 aa)
BIK1Serine/threonine-protein kinase BIK1; Plays a central role in immune responses. Required to activate the resistance responses to necrotrophic pathogens. Phosphorylates FLS2 and BAK1. Involved in pathogen-associated molecular pattern (PAMP)-triggered immunity (PTI) signaling and defense responses downstream of FLS2. Acts additively with PBL1 in PTI defenses. Acts as positive regulator of the PAMP flg22-induced increase of cytosolic calcium. Binds directly and phosphorylates the NADPH oxidase RBOHD at specific sites in a calcium-independent manner to enhance reactive oxygen species (ROS) [...] (395 aa)
MKK4Mitogen-activated protein kinase kinase 4; Involved in the second phase of hydrogen peroxide generation during hypersensitive response-like cell death. Involved in the innate immune MAP kinase signaling cascade (MEKK1, MKK4/MKK5 and MPK3/MPK6) downstream of bacterial flagellin receptor FLS2. Activates by phosphorylation the downstream MPK3 and MPK6. YDA-MKK4/MKK5-MPK3/MPK6 module regulates stomatal cell fate before the guard mother cell (GMC) is specified. This MAPK cascade also functions downstream of the ER receptor in regulating coordinated local cell proliferation, which shapes the [...] (366 aa)
ACT1Actin-1; Actins are highly conserved proteins that are involved in various types of cell motility and are ubiquitously expressed in all eukaryotic cells. Essential component of cell cytoskeleton; plays an important role in cytoplasmic streaming, cell shape determination, cell division, organelle movement and extension growth. This is considered as one of the reproductive actins. (377 aa)
CAM1Calmodulin-1; Calmodulin mediates the control of a large number of enzymes, ion channels and other proteins by Ca(2+). Among the enzymes to be stimulated by the calmodulin-Ca(2+) complex are a number of protein kinases and phosphatases. (149 aa)
CAM2Calmodulin-2; Calmodulin mediates the control of a large number of enzymes, ion channels and other proteins by Ca(2+). Among the enzymes to be stimulated by the calmodulin-Ca(2+) complex are a number of protein kinases and phosphatases. (149 aa)
CML10Calmodulin-like protein 10; Potential calcium sensor. (191 aa)
GB1Guanine nucleotide-binding protein subunit beta; Guanine nucleotide-binding proteins (G proteins) are involved as a modulator or transducer in various transmembrane signaling systems. The beta and gamma chains are required for the GTPase activity, for replacement of GDP by GTP, and for G protein-effector interaction. Together with GCR1 and GPA1, acts as a negative regulator of ABA during seed germination and early seedling development. The heterotrimeric G-protein controls defense responses to necrotrophic and vascular fungi probably by modulating cell wall-related genes expression (e. [...] (377 aa)
CAM7Calmodulin-7; Calmodulin mediates the control of a large number of enzymes, ion channels and other proteins by Ca(2+). Among the enzymes to be stimulated by the calmodulin-Ca(2+) complex are a number of protein kinases and phosphatases. Activates MPK8 in vitro. (149 aa)
NPR1Regulatory protein NPR1; 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). Key positive regulator of the SA-dependent signaling pathway that negatively regulates JA-dependent signaling pathway. Mediates the binding of TGA factors to the as-1 motif found in the pathogenesis-related PR-1 gene, leading to the transcriptional regulation of the gene defense. Controls the onset of systemic acquired resistance (SAR). Upon SAR induction, [...] (593 aa)
CAM6Calmodulin-6; Calmodulin mediates the control of a large number of enzymes, ion channels and other proteins by Ca(2+). Among the enzymes to be stimulated by the calmodulin-Ca(2+) complex are a number of protein kinases and phosphatases. (149 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)
MEKK1Mitogen-activated protein kinase kinase kinase 1; The MEKK1, MKK1/MKK2 and MPK4 function in a signaling pathway that modulates the expression of genes responding to biotic and abiotic stresses and also plays an important role in pathogen defense by negatively regulating innate immunity. Involved in the innate immune MAP kinase signaling cascade (MEKK1, MKK4/MKK5 and MPK3/MPK6) downstream of bacterial flagellin receptor FLS2. May be involved in the cold and salinity stress-mediated MAP kinase signaling cascade (MEKK1, MKK1/MKK2 and MPK4/MPK6). Activates by phosphorylation the downstream [...] (608 aa)
BAP2BON1-associated protein 2; Negative regulator of cell death and defense responses. Exhibits calcium-dependent phospholipid binding properties (By similarity). (207 aa)
NPR4Regulatory protein NPR4; 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). Involved in the regulation of basal defense responses against pathogens, and may be implicated in the cross-talk between the SA- and JA-dependent signaling pathways. (574 aa)
ACS12Probable aminotransferase ACS12; Probable aminotransferase. Does not have 1-aminocyclopropane- 1-carboxylate synthase (ACS) activity, suggesting that it is not involved in ethylene biosynthesis. (495 aa)
NPR3Regulatory protein NPR3; 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). Involved in the regulation of basal defense responses against pathogens. (586 aa)
AGP5Classical arabinogalactan protein 5; Proteoglycan that seems to be implicated in diverse developmental roles such as differentiation, cell-cell recognition, embryogenesis and programmed cell death; Belongs to the classical AGP family. (133 aa)
CML46Probable calcium-binding protein CML46; Potential calcium sensor. (204 aa)
BAP1BON1-associated protein 1; Negative regulator of cell death and defense responses. Exhibits calcium-dependent phospholipid binding properties. (192 aa)
BON1Protein BONZAI 1; Negative regulator of cell death and defense responses. Negative regulator of several R genes, including SNC1. May have effects in promoting growth and development. May function in membrane trafficking and in fusion of vesicles with plasma membrane at low temperature. Exhibits calcium-dependent phospholipid binding properties. (578 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)
WRKY18WRKY transcription factor 18; Transcription factor. Interacts specifically with the W box (5'-(T)TGAC[CT]-3'), a frequently occurring elicitor-responsive cis- acting element. Positively modulates defense-related gene expression and disease resistance; Belongs to the WRKY group II-a family. (310 aa)
SARD1Protein SAR DEFICIENT 1; Transcription activator that binds DNA in a sequence-specific manner, 5'-GAAATTTTGG-3', to promote the expression of target genes. Recruited to the promoter of ICS1 and other defense-related genes (e.g. PR1 and SID2) in response to both biotic (e.g. Pseudomonas syringae pv. maculicola ES4326) and abiotic stresses (e.g. UV-B), thus triggering slow defense responses by stimulating salicylic acid (SA) biosynthesis. Required for basal and systemic acquired resistance to P. syringae pv. maculicola and Hyaloperonospora arabidopsidis. Belongs to the plant ACBP60 prote [...] (451 aa)
CP1Calcium-binding protein CP1; Binds calcium in vitro. (160 aa)
ADR1Disease resistance protein ADR1; Disease resistance (R) protein that mediates resistance against Hyaloperonospora parasitica in a salicylic acid-dependent manner. Also mediates resistance against Erysiphe cichoracearum is both salicylic acid-dependent and partially NPR1-dependent. Resistance proteins guard the plant against pathogens that contain an appropriate avirulence protein via an indirect interaction with this avirulence protein. That triggers a defense system including the hypersensitive response, which restricts the pathogen growth. (787 aa)
FMO1Probable flavin-containing monooxygenase 1; Required for the establishment of systemic acquired resistance (SAR). Not involved in local defense mechanisms. Confers a salicylic acid-dependent (SA) resistance to virulent pathogens such as P.syringae pv tomato and H.parasitica. (530 aa)
ACS10Probable aminotransferase ACS10; Probable aminotransferase. Does not have 1-aminocyclopropane- 1-carboxylate synthase (ACS) activity, suggesting that it is not involved in ethylene biosynthesis. (557 aa)
HIPP14Heavy metal-associated isoprenylated plant protein 14; Probable heavy-metal-binding protein. Belongs to the HIPP family. (126 aa)
WRKY70Probable WRKY transcription factor 70; Transcription factor involved in senescence, biotic and abiotic stress responses by modulating various phytohormones signaling pathways. Interacts specifically with the W box (5'- (T)TGAC[CT]-3'), a frequently occurring elicitor-responsive cis-acting element (By similarity). Binds to the 5'-[CT]GACTTTT-3' motif in promoters of target genes to induce their expression. Plays an important but not indispensable role in jasmonate and salicylic acid signaling. Regulates positively the salicylic acid (SA)-mediated signal pathway, but negatively the jasmo [...] (294 aa)
GH3.124-substituted benzoates-glutamate ligase GH3.12; Catalyzes the conjugation of specific amino acids (e.g. Glu and possibly His, Lys, and Met) to their preferred acyl substrates (e.g. 4-substituted benzoates), in a magnesium ion- and ATP-dependent manner. Can use 4-substituted benzoates such as 4-aminobenzoate (pABA), 4-fluorobenzoate and 4-hydroxybenzoate (4-HBA), and, to a lesser extent, benzoate, vanillate and trans-cinnamate, but not 2-substituted benzoates and salicylic acid (SA), as conjugating acyl substrates. Involved in both basal and induced resistance in a SA-dependent manner. [...] (575 aa)
ADR1-L2Probable disease resistance protein At5g04720; Probable disease resistance protein; Belongs to the disease resistance NB-LRR family. (811 aa)
PAD4Lipase-like PAD4; Probable lipase required downstream of MPK4 for accumulation of the plant defense-potentiating molecule, salicylic acid, thus contributing to the plant innate immunity against invasive biotrophic pathogens and to defense mechanisms upon recognition of microbe- associated molecular patterns (MAMPs). Participates in the regulation of various molecular and physiological processes that influence fitness. Together with SG101, required for programmed cell death (PCD) triggered by NBS-LRR resistance proteins (e.g. RPS4, RPW8.1 and RPW8.2) in response to the fungal toxin fumo [...] (541 aa)
ICS1Isochorismate synthase 1, chloroplastic; Involved in the synthesis of salicylic acid (SA) required for both local and systemic acquired resistance (LAR and SAR) while SA synthesized through the phenylalanine ammonium lyase (PAL) pathway seems to potentiate plant cell death. Also involved in phylloquinone (vitamin K1) synthesis. Has no isochorismate pyruvate lyase (IPL) activity. (569 aa)
WRKY40Probable WRKY transcription factor 40; Transcription factor (By similarity). Interacts specifically with the W box (5'-(T)TGAC[CT]-3'), a frequently occurring elicitor- responsive cis-acting element (By similarity). (302 aa)
NUDT6Nudix hydrolase 6; Probably mediates the hydrolysis of some nucleoside diphosphate derivatives. In vitro, it can use both NADH and ADP-ribose as substrates; however the relevance of such substrates in vivo is unclear. (283 aa)
WRKY60Probable WRKY transcription factor 60; Transcription factor. Interacts specifically with the W box (5'-(T)TGAC[CT]-3'), a frequently occurring elicitor-responsive cis- acting element (By similarity). (271 aa)
SERK4Somatic embryogenesis receptor kinase 4; Dual specificity kinase acting on both serine/threonine- and tyrosine-containing substrates. Positively regulates the BR-dependent plant growth pathway and negatively regulates the BR-independent cell- death pathway. (620 aa)
RLP51Receptor-like protein 51; Involved in plant defense. Required for basal resistance against P.syringae pv. tomato DC3000; Belongs to the RLP family. (431 aa)
CML47Probable calcium-binding protein CML47; Potential calcium sensor. (183 aa)
PUB13U-box domain-containing protein 13; Functions as an E3 ubiquitin ligase. (660 aa)
TIRToll/interleukin-1 receptor-like protein; Disease resistance protein. Resistance proteins guard the plant against pathogens that contain an appropriate avirulence protein via a direct or indirect interaction with this avirulence protein. That triggers a defense system including the hypersensitive response, which restricts the pathogen growth (By similarity). (176 aa)
NUDT7Nudix hydrolase 7; Mediates the hydrolysis of some nucleoside diphosphate derivatives. Can use both NADH and ADP-ribose as substrates, but not 8- oxo-dGTP, cyclic ADP-ribose, GDP-manose, UDP-glucose, ATP, or GTP. Exerts negative control of EDS1 signaling. (282 aa)
EDS1Protein EDS1; Positive regulator of basal resistance and of effector- triggered immunity specifically mediated by TIR-NB-LRR (TNL) resistance proteins. Disruption by bacterial effector of EDS1-TIR-NB-LRR resistance protein interactions constitutes the first step in resistance activation. Acts redundantly with salicylic acid to regulate resistance gene-mediated signaling. Triggers early plant defenses and hypersensitive response independently of PAD4, and then recruits PAD4 to potentiate plant defenses through the accumulation of salicylic acid. Nuclear localization is essential for bas [...] (623 aa)
MLO2MLO-like protein 2; May be involved in modulation of pathogen defense and leaf cell death. Activity seems to be regulated by Ca(2+)-dependent calmodulin binding and seems not to require heterotrimeric G proteins (By similarity); Belongs to the MLO family. (573 aa)
ADR1-L1Probable disease resistance protein At4g33300; Probable disease resistance protein; Belongs to the disease resistance NB-LRR family. (816 aa)
ALD1Aminotransferase ALD1, chloroplastic; Aminotransferase involved in local and systemic acquired resistance (SAR) to the bacterial pathogen P.syringae. Required for salicylic acid (SA) and camalexin accumulation upon pathogen infection. Possesses aminotransferase activity in vitro and may generate amino- acid-derived defense signals in vivo. May be involved in ethylene- induced senescence signaling. Involved in the biosynthesis of pipecolate (Pip), a metabolite that orchestrates defense amplification, positive regulation of SA biosynthesis, and priming to guarantee effective local resist [...] (456 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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