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STN7 STN7 TAP38 TAP38 STN8 STN8 CHUP1 CHUP1 CSK CSK AT2G23070 AT2G23070 At2g20860 At2g20860 SIG2 SIG2 AT2G03390 AT2G03390 SIGA SIGA MEE11 MEE11
"CSK" - Chloroplast sensor kinase in Arabidopsis thaliana
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Predicted Interactions
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co-expression
protein homology
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CSKChloroplast sensor kinase; Sensor kinase required for sensing the plastoquinone redox state involved in both photosystems stoichiometry adjustment (e.g. long-term adaptation via transcriptional regulation of reaction center genes of photosystems I and II) and state transitions (e.g. short-term adaptation involving reversible post- translational phosphorylation of light-harvesting complex II, LHC II), thus linking photosynthesis with gene expression in chloroplasts (PubMed-18632566, PubMed-22039472). Probably phosphorylates SIGA/SIG1 in response to plastoquinone redox state modification [...] (611 aa)    
Predicted Functional Partners:
STN7
STT7 homolog STN7; Serine/threonine protein kinase required for state transition by phosphorylating light-harvesting complex II outer antennae (LCHII). State transition plays a central role in response to environmental changes and allows to adjust to changing light conditions via the redistribution of light excitation energy between photosystem II (PSII) and photosystem I (PSI). Phosphorylates the minor light harvesting protein LHCB4.2/CP29 and is involved in the light-dependent phosphorylation of TSP9. Acts as a key component of the long-term response (LTR) signaling pathway. Mediates [...] (562 aa)
     
   
  0.793
AT2G03390
uvrB/uvrC motif-containing protein (330 aa)
     
   
  0.738
TAP38
Protein phosphatase 2C 57 (388 aa)
     
   
  0.723
STN8
State transition 8; Light-dependent serine/threonine protein kinase that specifically phosphorylates N-terminal threonine residues in psbA/D1, psbD/D2, psbC/CP43 and psbH, which are components of the core antenna complex of photosystem II. Phosphorylation of PSII core components facilitates the exchange of chlorophyll proteins between the grana and the stroma lamellae. Also involved in the phosphorylation of the calcium-sensing receptor (CaS) (495 aa)
     
   
  0.702
AT2G23070
Casein kinase 2, alpha polypeptide; Casein kinases are operationally defined by their preferential utilization of acidic proteins such as caseins as substrates. The alpha chain contains the catalytic site. May act as an ectokinase that phosphorylates several extracellular proteins (By similarity) (432 aa)
       
 
  0.689
SIGA
Sigma factor A; Essential protein. Sigma factors are initiation factors that promote the attachment of plastid-encoded RNA polymerase (PEP) to specific initiation sites and are then released. Controls the transcription of the psaA gene and thus modulates photosystem stoichiometry. Thereby maintains a harmonious electron flow and photosynthetic efficiency (502 aa)
     
      0.651
At2g20860
Lipoic acid synthase 1; Catalyzes the radical-mediated insertion of two sulfur atoms into the C-6 and C-8 positions of the octanoyl moiety bound to the lipoyl domains of lipoate-dependent enzymes, thereby converting the octanoylated domains into lipoylated derivatives (374 aa)
     
   
  0.650
MEE11
F-box protein SKIP28; Component of SCF(ASK-cullin-F-box) E3 ubiquitin ligase complexes, which may mediate the ubiquitination and subsequent proteasomal degradation of target proteins (By similarity). Required during the endosperm development in embryos (292 aa)
     
   
  0.629
SIG2
RNApolymerase sigma subunit 2; Required for the transition of plastids into chloroplasts by coordinating nuclear and chloroplastic genomes under light conditions. Sigma factors are initiation factors that promote the attachment of plastid-encoded RNA polymerase (PEP) to specific initiation sites and are then released. Promotes the biosynthesis of plastid-encoded tRNAs (e.g. trnE-UUC and trnV- UAC) (572 aa)
     
   
  0.575
CHUP1
Protein CHUP1; Required for the positioning and movement of chloroplasts. Interacts with profilin and actin independent of its polymerization status. Regulates chloroplast localization by anchoring chloroplasts to the plasma membrane and forming a bridge to the actin cytoskeleton (1004 aa)
     
   
  0.547
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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