>gi|26051227 sperm-associated cation channel 2 isoform 4 [Homo sapiens] MAAYQQEEQMQLPRADAIRSRLIDTFSLIEHLQGLSQAVPRHTIRELLDP SRQKKLVLGDQHQLVRFSIKPQRIEQISHAQRLLSRLHVRCSQRPPLSLW AGWVLECPLFKNFIIFLVFLNTIILMVEIELLESTNTKLWPLKLTLEVAA WFILLIFILEILLKWLSNFSVFWKSAWNVFDFVVTMLVRIEILRVRLVG