Cpn

Gene

Cpn

Protein

Calphotin

Organism

Drosophila melanogaster

Length

864 amino acids

Function

Plays important roles in both rhabdomere development and in photoreceptor cell survival. Might function as a calcium-sequestering sponge to regulate the amount of free cytoplasmic calcium. It binds 0.3 mole of Ca(2+) per mole of protein.

Mass

84.596 kDa

Sequence

MEPGTIPSPVSAPVAAPVTPSAVAAPVQVVSPAAVAPAPAAPIAVTPVAPPPTLASVQPATVTIPAPAPIAAASVAPVASVAPPVVAAPTPPAASPVSTPPVAVAQIPVAVSAPVAPPVAATPTPVAPIPVAAPVIATPPVAASAPTPAAVTPVVSPVIATPPVVPANTTVPVAAPVAAVPAAVPVVAPVLAPAVAPAVAPVVAETPAPPPVAEIPVATIPECVAPLIPEVSVVATKPLAAAEPVVVAPPATETPVVAPAAASPHVSVAPAVETAVVAPVSASTEPPVAAATLTTAPETPALAPVVAESQVAANTVVATPPTPAPEPETIAPPVVAETPEVASVAVAETTPPVVPPVAAESIPAPVVATTPVPATLAVTDPDVTASAVPELPPVIAPSPVPSAVAETPVDLAPPVLPPVAAEPVPAVVAEETPETPAPASAPVTIAALDIPEVAPVIAAPSDAPAEAPSAAAPIVSTPPTTASVPETTAPPAAVPTEPIDVSVLSEAAIETPVAPPVEVTTEVAVADVAPPEAAADLIIEPVEPPAPIPDLLEQTTSVPAVEAAESTSSPIPETSLPPPNEAVASPEVAVAPITAPEPIPEPEPSLATPTEPIPVEAPVVIQEAVDAVEVPVTETSTSIPETTVEYPVAEKVLDPAITEAPVTTQEPDVANINDGAPATEITTPAVEIVTAAAEVSDTAIPLIDPPVPQEIAVAEIPETETKPAEVIVEQSTIPIEAPVPEVSKYAEPVISEAPAAEVPITAGDNPDNTSVGISEVVPTIAEKAVEEVPTSEIPEQSSSPSDSVPVAKITPLLRDLQTTDVSLLAIAATLDAIGEKLKDQKARNQQVMDRLCEIEKILGPPKSN

Protein

Calphotin: Cpn