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CPK23

Gene
CPK23
Protein
Calcium-dependent protein kinase 23
Organism
Oryza sativa subsp. japonica
Length
534 amino acids
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.
Mass
60.547 kDa
Sequence
MGNSCQNGTYGNNYQNSNRFQNDRFASRYVDGNDTEDCYSGSSRASLAGALRQGLNLKSPVLGYKTPNVRELYTLGRELGQGQFGKTYLCTEISTGCQYACKTILKSNLRCVSDIEDVRREIQIMHHLSGQKNIVTIKDTYEDEQAVHIVMELCAGGELFSKIQKRGHYSERKAAELIKIIVGIIETCHSHGVMHRDLKPENFLLLDADDEFSVKAIDFGLSVFFRPGQVFREVVGSPYYIAPEVLEKRYGPEADIWTAGVILYVLLTGVPPFWADTQSGIYEKVLDGRIDFKSNRWPRISDSAKDLIKKMLCPYPSERLKAHEVLKHPWICDNGVATNRALDPSVLPRLKQFSAMNRLKKLSLQIIAERLSEEEIVGLREMFKAMDTKNRSVVTFGELKGLKRYSSVFKDTEINDLMEAADDTTSTINWEEFIAAAVSLNKIEREKHLMAAFTYFDKDGSGFITVDKLQKACMERNMEDTFLEEMILEVDQNNDGQIDYAEFVTMMQSNNFGLGWQTVESSLNVALREAPQVY

Gene
CPK23
Protein
Calcium-dependent protein kinase 23
Organism
Arabidopsis thaliana
Length
520 amino acids
Function
May play a role in signal transduction pathways that involve calcium as a second messenger. Could act as a calcium sensor involved in drought- and salt stress-induced calcium signaling cascades. Mediates the phosphorylation and activation of the S-type anion efflux channel SLAC1.
Similarity
Belongs to the protein kinase superfamily. Ser/Thr protein kinase family. CDPK subfamily.
Mass
58.654 kDa
Sequence
MGCFSSKHRKTQNDGGGERSIPIIPVQTHIVDQVPDHRKPQIPSPSIPISVRDPETILGKPFEDIRKFYSLGRELGRGGLGITYMCKEIGTGNIYACKSILKRKLISELGREDVKTEIQIMQHLSGQPNVVEIKGSYEDRHSVHLVMELCAGGELFDRIIAQGHYSERAAAGTIKSIVDVVQICHLNGVIHRDLKPENFLFSSKEENAMLKVTDFGLSAFIEEGKIYKDVVGSPYYVAPEVLRQSYGKEIDIWSAGVILYILLCGVPPFWADNEEGVFVEILKCKIDFVREPWPSISDSAKDLVEKMLTEDPKRRITAAQVLEHPWIKGGEAPEKPIDSTVLSRMKQFRAMNKLKKLALKVSAVSLSEEEIKGLKTLFANMDTNRSGTITYEQLQTGLSRLRSRLSETEVQQLVEASDVDGNGTIDYYEFISATMHRYKLHHDEHVHKAFQHLDKDKNGHITRDELESAMKEYGMGDEASIKEVISEVDTDNDGKINFEEFRAMMRCGTTQPKGKQYPFH