>8OTX_1|Chains A, B|Sperm-specific sodium proton exchanger|Strongylocentrotus purpuratus (7668) MKKRVVKLRELVPAVAALAVAVLIQSATGSSGGSGHTPTTQATHADDHDLTTHNGTEEHDDGHDDGHDDLHAHAPKVIVFISGSCLFGAISRSLFKKLPIPYTVVLLILGAILGVVASNVPLVEEHTRDVAHMDPHVLLQIFLPVLIFESAFAMDVHTFMRSFSQVCILALFGLVVASVLTAVLAMNLFNYNWNFSEAMMFGAIMSATDPVAVVALLKDLGASKQLGTIIEGESLLNDGCAIVIFNVFMKMVFFPQLTSTVGQNVLYFLQVAVAGPLWGYAVAKVTVFFLSHIFNDALVEITITLAATYLTYYIGDIWLEVSGVLAVVVLGLIVNAEKTSISPEVEVFLHRFWEMLAYLANTLIFMMVGVVVTQKALVAVDKMDWFYLIILYLAITIIRGMVISLFSPILSRIGYGLTWRNAVIMTWGGLRGAVGLALALVVENLAGNDVIGSKFLFHTAGIVVLTLVINATTIQTLLRILGMSDISIPKRLAMAGAVRRIHEGQNRTLNMLKSDRFLADADWDIATAACEISDPYSALSDDENAPADELTLGERKSVCPGCKAMVPNEPSPREFADMMEEARLRMLKAEKISYWKQFEHGMLAREALRLLVQHAEVAADEKDQFILVDDLKKSWQIKGIYPWLKRKLEDLISEKKIAAIPMPKYKLGKLMYKICHHMAFEVTINIAIVLNIVPIIMEFVVQDKMASVSTMAAPGSTVSSEPSSLQKIEDALRISNYVFFVIYAIEAIVKILGLGRHYIVSHWNKFDAFILVVALVDIIIAETLLKGSITINLSSIKVVKLFRLLRGLRMLRLTKALIPKLILVVNGKINNQLSLGYDVGKGYIIGEEEVGKIIDRMVDNKKILRELKHISETGRLQVVKELGLLQREHPGIAVSVKTRQAIRTILNHSRETIHELQGAGLLDEMEAHKLELTVEIKMKRLMNAPSSIPPPPPENLLKNVSWLAGDMKLIDFIKARASLLHFDYGEVIVREGDESDGLFLIVSGLVKLYGKSAFLDHDNPPVTAGSEENEVFEDYLTVGNVIGEMGVLTKKPRNATVTCETTVQVYFITAEDMNIAIDTFTLYPSLEYRLWRVVAIRIATPLIMEQMAFQGWTQEKVKLHLERGYLVDLAESHFQFNIDATLEDVILINGTAYNAHTREEIRSPCLISRTVHKLTFQYTATEEPRLFVVRNAEYNGPILDGRLDVDSKRSLISITEISSNMCLKHAAELRQKNSKVMLSRKSSGAAAKEEEDCIPNTSDVEQAAGVSPSVPTKTTPKPKSFLPSLGLSMSKERVNGEAVEESPVKTKQGEETPETEEGAAPRVNVENLYFQ