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AHP3 AHP3 HK2 HK2 GNL1 GNL1 AHP1 AHP1 HK3 HK3 WOL WOL ATHP1 ATHP1 ARR4 ARR4 ARR3 ARR3 AHP5 AHP5 PHYB PHYB
"ARR4" - Response regulator 4 in Arabidopsis thaliana
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Predicted Interactions
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textmining
co-expression
protein homology
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ARR4Response regulator 4; Functions as 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. Type-A response regulators seem to act as negative regulators of the cytokinin signaling. Modulates red light signaling through its interaction with the phytochrome B photoreceptor (259 aa)    
Predicted Functional Partners:
AHP3
Histidine-containing phosphotransmitter 3; Functions as two-component phosphorelay mediators between cytokinin sensor histidine kinases and response regulators (B-type ARRs). Plays an important role in propagating cytokinin signal transduction through the multistep His-to-Asp phosphorelay (155 aa)
       
 
  0.997
AHP5
Histidine-containing phosphotransfer factor 5; Functions as two-component phosphorelay mediators between cytokinin sensor histidine kinases and response regulators (B-type ARRs). Plays an important role in propagating cytokinin signal transduction through the multistep His-to-Asp phosphorelay (157 aa)
       
 
  0.997
AHP1
Histidine-containing phosphotransmitter 1; Functions as two-component phosphorelay mediators between cytokinin sensor histidine kinases and response regulators (B-type ARRs). Plays an important role in propagating cytokinin signal transduction through the multistep His-to-Asp phosphorelay (154 aa)
       
 
  0.996
ATHP1
Histidine-containing phosphotransmitter 2; Functions as two-component phosphorelay mediators between cytokinin sensor histidine kinases and response regulators (B-type ARRs). Plays an important role in propagating cytokinin signal transduction through the multistep His-to-Asp phosphorelay (156 aa)
       
 
  0.996
ARR3
Response regulator 3; Functions as 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. Type-A response regulators seem to act as negative regulators of the cytokinin signaling (231 aa)
   
 
 
0.995
GNL1
GNOM-like 1; Activates the ARF proteins by exchanging bound GDP for free GTP. Plays a role in vesicular protein sorting. Acts as the major regulator of retrograde Golgi to endoplasmic reticulum trafficking but is also involved in the endocytosis process. Could function redundantly with GNOM. Regulates vesicle trafficking required for the coordinated polar localization of auxin efflux carriers which in turn determines the direction of auxin flow. Mediates the endocytosis of PIN2 from plasma membrane to endosomal compartments. Required for maintenance of endoplasmic reticulum morphology (1443 aa)
       
      0.995
PHYB
Phytochrome B; Regulatory photoreceptor which exists in two forms that are reversibly interconvertible by light- the Pr form that absorbs maximally in the red region of the spectrum and the Pfr form that absorbs maximally in the far-red region. Photoconversion of Pr to Pfr induces an array of morphogenetic responses, whereas reconversion of Pfr to Pr cancels the induction of those responses. Pfr controls the expression of a number of nuclear genes including those encoding the small subunit of ribulose- bisphosphate carboxylase, chlorophyll A/B binding protein, protochlorophyllide reduc [...] (1172 aa)
       
 
  0.939
HK3
Histidine 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, feed phosphate to phosphorelay-integrating histidine phosphotransfer protein (HPt) and activates subsequent cascade. Involved in meristems establishment in seedli [...] (1036 aa)
   
 
 
  0.840
HK2
Histidine 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, feed phosphate to phosphorelay-integrating histidine phosphotransfer protein (HPt) and activates subsequent cascade. Involved in meristems establishment in seedli [...] (1176 aa)
   
 
 
  0.824
WOL
WOODEN LEG; 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, feed phosphate to phosphorelay-integrating histidine phosphotransfer protein [...] (1080 aa)
   
 
 
  0.823
Your Current Organism:
Arabidopsis thaliana
NCBI taxonomy Id: 3702
Other names: A. thaliana, Arabidopsis thaliana, Arabidopsis thaliana (L.) Heynh., mouse-ear cress, thale cress, thale-cress
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