Protein Name:
Serine/threonine-protein kinase STY8
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UniprotKB/SwissProt ID: O22558 (O22558)
Gene Name:
STY8
Organism: Arabidopsis thaliana (Mouse-ear cress)
Function: Serine/threonine protein kinase that specifically phosphorylates chloroplast precursor proteins in the cytosol within the cleavable presequences (transit peptides). May be part of a cytosolic regulatory network involved in chloroplast protein import. Does not phosphorylate mitochondrion precursor proteins. Specific for ATP and does not utilize other NTPs (PubMed:16429265, PubMed:17090544). Plays a role in chloroplast biogenesis and differentiation in cotyledons, possibly through phosphorylation of chloroplast preproteins (PubMed:21799034)
Other Modifications: View all modification sites in dbPTM
Protein Subcellular Localization: Cytoplasm, cytosol
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Graphical Visualization of S-nitrosylation Sites:
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