Sodium/potassium-transporting ATPase subunit beta-1-interacting protein MAVILGIFGT VQYRSRYLIL YAAWLVLWVG WNAFIICFYL EVGQLSQDRD FIMTFNTSLH RSWWMENGPG CLVTPVLNSR LALEDHHVIS VTGCLLDYPY IEALSSALQI FLALFGFVFA CYVSKV