Protein
Calcium-dependent protein kinase 23
Organism
Oryza sativa subsp. japonica
Function
May play a role in signal transduction pathways that involve calcium as a second messenger (By similarity). Involved in the activation of sucrose synthase 2 (SUS2) in developing seeds. Phosphorylates SUS2 at Ser-10 in a calcium-dependent manner. Phosphorylation of Ser-10 leads to the activation of SUS2, which supplies substrates for the biosynthesis of storage products in immature seeds (PubMed:11910009).
Similarity
Belongs to the protein kinase superfamily. Ser/Thr protein kinase family. CDPK subfamily.
Sequence
MGNSCQNGTYGNNYQNSNRFQNDRFASRYVDGNDTEDCYSGSSRASLAGALRQGLNLKSPVLGYKTPNVRELYTLGRELGQGQFGKTYLCTEISTGCQYACKTILKSNLRCVSDIEDVRREIQIMHHLSGQKNIVTIKDTYEDEQAVHIVMELCAGGELFSKIQKRGHYSERKAAELIKIIVGIIETCHSHGVMHRDLKPENFLLLDADDEFSVKAIDFGLSVFFRPGQVFREVVGSPYYIAPEVLEKRYGPEADIWTAGVILYVLLTGVPPFWADTQSGIYEKVLDGRIDFKSNRWPRISDSAKDLIKKMLCPYPSERLKAHEVLKHPWICDNGVATNRALDPSVLPRLKQFSAMNRLKKLSLQIIAERLSEEEIVGLREMFKAMDTKNRSVVTFGELKGLKRYSSVFKDTEINDLMEAADDTTSTINWEEFIAAAVSLNKIEREKHLMAAFTYFDKDGSGFITVDKLQKACMERNMEDTFLEEMILEVDQNNDGQIDYAEFVTMMQSNNFGLGWQTVESSLNVALREAPQVY