>tr|A0A0F8PSB5|A0A0F8PSB5_METMZ Trk system potassium transport protein TrkA OS=Methanosarcina mazei GN=trkA MKAVIIGAGEVGYHIAKALSPKNDVVIIDKDEEAAKRADELDVLVIEGNGANAEILSRVL QNADLLVAVTGVDEVNIVACMTAKLIMKNKNGWKDTKTIARVSNPDYIDSPVTSRAQVGV DLMICPELALASEVADILSSPSAIDAEMFAEGKVRMTEFAISPESKLVGKHMQDLKLADC CIVSAVFREDQIIIPHGDDLIKANDHMVVVGKPESMEDLESVFGSKVSHRTRILLIGCGI VGMYLAKLIDKEENADLRIIEHSKSRCIEVAEILENALVLNGDGTDVSLLREENIEDMDV VVAVTDSDEKNLLCSLLAKQLGAKKVIARADRSDYLPLFEMVGIDMAVSPREATVNEVLK LTMGRGIQTLTTIEGERAEIIEYTASEKSRIVGKPLNKVKFPKGALINMVVRGKETIIPR GDFIVNEGDRVVIFSMASAASEVEKYFK