>8XQ4_1|Chain A|Sperm-specific sodium proton exchanger|Strongylocentrotus purpuratus (7668) GSSSGGSGHTPTTQATHADDHDLTTHNGTEEHDDGHDDGHDDLHAHAPKVIVFISGSCLFGAISRSLFKKLPIPYTVVLLILGAILGVVASNVPLVEEHTRDVAHMDPHVLLQIFLPVLIFESAFAMDVHTFMRSFSQVCILALFGLVVASVLTAVLAMNLFNYNWNFSEAMMFGAIMSATDPVAVVALLKDLGASKQLGTIIEGESLLNDGCAIVIFNVFMKMVFFPQLTSTVGQNVLYFLQVAVAGPLWGYAVAKVTVFFLSHIFNDALVEITITLAATYLTYYIGDIWLEVSGVLAVVVLGLIVNAEKTSISPEVEVFLHRFWEMLAYLANTLIFMMVGVVVTQKALVAVDKMDWFYLIILYLAITIIRGMVISLFSPILSRIGYGLTWRNAVIMTWGGLRGAVGLALALVVENLAGNDVIGSKFLFHTAGIVVLTLVINATTIQTLLRILGMSDISIPKRLAMAGAVRRIHEGQNRTLNMLKSDRFLADADWDIATAACEISDPYSALSDDENAPADELTLGERKSVCPGCKAMVPNEPSPREFADMMEEARLRMLKAEKISYWKQFEHGMLAREALRLLVQHAEVAADEKDQFILVDDLKKSWQIKGIYPWLKRKLEDLISEKKIAAIPMPKYKLGKLMYKICHHMAFEVTINIAIVLNIVPIIMEFVVQDKMASVSTMAAPGSTVSSEPSSLQKIEDALRISNYVFFVIYAIEAIVKILGLGRHYIVSHWNKFDAFILVVALVDIIIAETLLKGSITINLSSIKVVKLFRLLRGLRMLRLTKALIPKLILVVNGKINNQLSLGYDVGKGYIIGEEEVGKIIDRMVDNKKILRELKHISETGRLQVVKELGLLQREHPGIAVSVKTRQAIRTILNHSRETIHELQGAGLLDEMEAHKLELTVEIKMKRLMNAPSSIPPPPPENLLKNVSWLAGDMKLIDFIKARASLLHFDYGEVIVREGDESDGLFLIVSGLVKLYGKSAFLDHDNPPVTAGSEENEVFEDYLTVGNVIGEMGVLTKKPRNATVTCETTVQVYFITAEDMNIAIDTFTLYPSLEYRLWRVVAIRIATPLIMEQMAFQGWTQEKVKLHLERGYLVDLAESHFQFNIDATLEDVILINGTAYNAHTREEIRSPCLISRTVHKLTFQYTATEEPRLFVVRNAEYNGPILDGRLDVDSKRSLISITEISSNMCLKHAAELRQKNSKVMLSRKSSGAAAKEEEDCIPNTSDVEQAAGVSPSVPTKTTPKPKSFLPSLGLSMSKERVNGEAVEESPVKTKQGEETPETEEGAAPRVNVASNSLEVLFQ