Protein
Sodium/hydrogen exchanger 9B1
Function
Sperm-specific Na(+)/H(+) exchanger involved in intracellular pH regulation of spermatozoa (PubMed:20036903). Involved in sperm motility and fertility (PubMed:20036903, PubMed:27010853, PubMed:19409551).
Similarity
Belongs to the monovalent cation:proton antiporter 1 (CPA1) transporter (TC 2.A.36) family.
Sequence
MSEHDVESNKKDDGFQSSVTVEMSKDPDSFHEETVEPKPELKEPEPKEPEPKEPERKEPERKEPERKEPERKEPERKVPGRRETQTKETQTTEIERKETKKKRGTNSYCPPQGTINKTITDGAALIALWTLLWALIGQEVLPGGNLFGLVVIFYSAFLGGKILEFIKIPVVPPLPPLIGMLLAGFTIRNVPIIYEFVHIPTTWSSALRNTALTIILVRAGLGLDPQALKHLKGVCLRLSFGPCFLEACSAALFSHFIMNFPWQWGFLLGFVLGAVSPAVVVPNMLMLQENGYGVEKGIPTLLVAASSMDDIVAITGFNTFLSIVFSSGSVISNILSSLRDVLIGVLVGIVMGVFVQYFPSGDQERLTQRRAFLVLSMCISAVLGCQHIGLHGSGGLVTLVLSFMAAKRWAEEKVGIQKIVANTWNVFQPLLFGLVGTEVSVESLESKTIGMCLATLGLALSVRILSTFVLMSFANFRFKEKVFIALSWIPKATVQAVLGPLALETARVMAPHLEGYAKAVMTVAFLAILITAPNGALLIGILGPKILEQSEVTFPLKVELSNFHH