>tr|C4IX13|C4IX13_SQUAC Sodium/potassium-transporting ATPase subunit beta OS=Squalus acanthias GN=atp1b1 MARGKSKETDGGWKKFLWDSEKKEFLGRTGSSWFKIFLFYLIFYGCLAGIFIGTIQVLLL TLSDFEPKYQDRVAPPGLSHAPYAIKTEISFSISNPKSYESFVKSMHKLMDLYNESSQAG NSPFEDCSDTPADYIKRGDLDDSQGQKKACRFSRMWLKNCSGLDDTTYGYAEGKPCVVAK LNRIIGFYPKPLKNTTDLPEELQANYNQYVLPLRCAAKREEDREKIGSIEYFGLGGYAGF PLQYYPYYGKRLQKKYLQPLLAIQFTNLTQNMELRIECKVYGENIDYSEKDRFRGRFEVK IEVKS