>tr|O76977|O76977_STRPU Hyperpolarization-activated (Ih) channel OS=Strongylocentrotus purpuratus MDNKETNGELEQSDEADPSGQNLDDGETDSKQEENLINVSPPKTPPGPPPPLKNGGRGQK PPKIPICHQNGKLPKEVEWTEDRGEDRKDSLTLQSKLDHGAYTDEKQDLLTYLDRHGINS PVKLTPDETGGSSALDILGIIEERDTGALGSDPSSTMQAMAKPVGFLQRQLWTVLQPSDN RLSMKLFGSKKGLQKEKYRLRKAGVLIIHPCSHFRFYWDLLMLCLIMANVILLPVVITFF HNKDMSTGWLIFNCFSDTFFILDLICNFRTGIMNPKSAEQVILNPRQIAYHYLRSWFIID LVSSIPMDYIFLLAGGQNRHFLEVSRALKILRFAKLLSLLRLLRLSRLMRFVSQWEQAFN VANAVIRICNLVCMMLLIGHWNGCLQYLVPMLQEYPDQSWVAINGLEHAHWWEQYTWALF KALSHMLCIGYGKFPPQSITDVWLTIVSMVSGATCFALFIGHATNLIQSMDSSSRQYREK LKQVEEYMQYRKLPSHLRNKILDYYEYRYRGKMFDERHIFREVSESIRQDVANYNCRDLV ASVPFFVGADSNFVTRVVTLLEFEVFQPADYVIQEGTFGDRMFFIQQGIVDIIMSDGVIA TSLSDGSYFGEICLLTRERRVASVKCETYCTLFSLSVQHFNQVLDEFPAMRKTMEEIAVR RLTRIGKESSKLKSRLESPTIRDTAPLFPIPPDTPSFVTDIEKNRFFGDDTDDVHIRTRV DVERGSHENVIAIMDGSLSDLRMENEIQARKSSSGKRRKFQQQTTEL