Protein
Cation channel sperm-associated protein subunit beta
Function
Probably involved in sperm cell hyperactivation via its association with CATSPER1. Sperm cell hyperactivation is needed for sperm motility which is essential late in the preparation of sperm for fertilization.
Sequence
MESPLIYVSVLLLNIFEFSSGIVYNKDDTEKRFACSNKGFPQENEIIKLYLFLENLKIQCFFQTENEIASKAMLSVFTSGGLAPSLGIMNSTYNGIFHFNLTLFSDRILWLVDIPRENITQSTDIAAVEEWLVRITLHHGLNIYATEGTLLDVIREPILQWTPGDVIPESEISKLYPHVVDLKVTKCPCANDVALLGFIVDTIVDGVYIGITFGGFWHDYDTTWFNMTQTIYSQLQEEYEDLSLVDMVLTNHFLVILTSLGLFVSEDLRYPSRHSLSFSRADFCGFERVDYVKGKLWYNERCFANREHFEVDYVTVTFERNRTLSESSSCFYSQEPFLEWVPCLPHIFKGIKIFPTVLTFLVDQERGTGVYLFYNKVRKTAIASVSTLRNNEPNSQSKFPIFRFPSSFSSPVGMVFHPRSHFLYAYGNQIWLSVDGGNTFQLIANFHDDIIKKTFHSFYTSAITFVSQRGKVYSTKAGMGRYSAVGSVTERIFTLYYDHLGFLHKLTLGRFEASGPPTAFGNSRNLFGQPPDMGFETALAPQHTSLDEIIFFAYVPENEPQETIYSKKFGNIHYGKVIHSGKTGRAYIRKVLQHTTPKGFLSSVIAEMKEPFGLEEVNESSCLSSSLLINKAGNVYKLTLDSQVVQALFEDTDIEKTVVLPGYSSFLITSILDNKNALAIATMPESAPNNMTFLKSTWFLYNFGQRNGRTWKIYSKPCNYWFQHDDSPSLNIVKYIDLGNSYVLKAKVIRNAKGFRMLEIPLLTVFVGNPNLLEVTAEVTFDDTDSYVITISAASKVLHQGSTSLAFIMWSASTECFVTTMVPTLKSSCSYLRSMHHIPSKFIPFEDWISGVHKDSQGFNLIKTLPINYRPPSNMGIAIPLTDNFYHADPSKPIPRNMFHMSKKTGKFKQCANVSTREECNCTKDQKFSHAVAFSDCREKVPRFKFPITQYPVSLEIINEDGRVPLQSPYLVTVTEVNMRHNWKLKHTVPENIKRMKQLVEPILGAAVYNPSGLNLSIKGSELFHFRVTVISGVTFCNLIEEFQIYVDEAPLPFPGHTLIAVATAVVLGGLIFIAFMFQLQGIHPWRTFQRWIRRNQEKFSSISLSELIHRSKSEE