>gi|6912256 ATPase, (Na+)/K+ transporting, beta 4 polypeptide isoform B [Homo sapiens] MRRQLRSRRAPSFPYSYRYRLDDPDEANQNYLADEEEEAEEEARVTVVPK SEEEEEEEEKEEEEEEEKEEEEGQGQPTGNAWWQKLQIMSEYLWDPERRM FLARTGLILLIYFFFYASLAAVITLCMYTLFLTISPYIPTFTERVKPPGV MIRPFAHSLNFNFNVSEPDTWQHYVISLNGFLQGYNDSLQEEMNVDCPPG QYFIQDGNEDEDKKACQFKRSFLKNCSGLEDPTFGYSTGQPCILLKMNRI VGFRPELGDPVKVSCKVQRGDENDIRSISYYPESASFDLRYYPYYGKLTH VNYTSPLVAMHFTDVVKNQAVPVQCQLKGKGVINDVINDRFVGRVIFTLN IET