Visual signal transduction is mediated by a G-protein coupled cascade using cGMP as second messenger. This protein can be activated by cyclic GMP which leads to an opening of the cation channel and thereby causing a depolarization of rod photoreceptors.

Belongs to the cyclic nucleotide-gated cation channel (TC 1.A.1.5) family. CNGA1 subfamily.

683 amino acids

MKTNIINTWHSFVNIPNVVVPAIEKEIRRMENGACSSFSDNDNGSLSEESENEDSLFRSNSYRRRGPSQREHYLPGTMALFNVNNSSNKDQDPKEKKKKKKEKKSKADDKKESKKDPEKKKKKEKEKEKKKEEKPKEKKEEEKKEVVVIDPSGNMYYNWLFCITLPVMYNWTMIIARACFDELQSDYLEYWLIFDYVSDVVYLADMFVRTRTGYLEQGLLVKDELKLIEKYKANLQFKLDVLSVIPTDLLYFKFGWNYPEIRLNRLLRISRMFEFFQRTETRTNYPNIFRISNLVMYIVIIIHWNACVYYSISKAIGFGNDTWVYPDVNDPEFGRLARKYVYSLYWSTLTLTTIGETPPPVLDSEYVFVVVDFLIGVLIFATIVGNIGSMISNMNAARAEFQSRVDAIKQYMNFRNVSKDMEKRVIKWFDYLWTNKKTVDEREVLRYLPDKLRAEIAINVHLDTLKKVRIFADCEAGLLVELVLKLQPQVYSPGDYICKKGDIGREMYIIKEGKLAVVADDGITQFVVLSDGSYFGEISILNIKGSKAGNRRTANIKSIGYSDLFCLSKDDLMEALTEYPDAKTMLEEKGRQILMKDGLLDINIANLGSDPKDLEEKVTRMEGSVDLLQTRFARILAEYESMQQKLKQRLTKVEKFLKPLIETEFSALEEPGGESEPTESLQG

79.2 kDa

(Note: Representative image - actual molecular weight may vary depending on tag type and expression method)

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