>tr|A0A0E3PZ17|A0A0E3PZ17_METMZ Trk system potassium uptake protein TrkA OS=Methanosarcina mazei WWM610 GN=MSMAW_2191 MKAVIIGAGEVGYHIAKALSPKNDVVIIDKDEEAAKRADELDVLVIEGNGANAEILSRVL QNADLLVAVTGVDEVNIVACMTAKLIMKNKNGWKDTKTIARVSNPDYIDSPVTSRAQVGV DLMICPELALASEVADILSSPSAIDAEMFAEGKVRMTEFAISPESKLVGKHMQDLKLADC CIVSAVFREDQIIIPHGDDLIKANDHMVVVGKPESMEDLESVFGSKVSHRTRILLIGCGI VGMYLAKLIDKEENADLRIIEHSKSRCIEVAEILENALVLNGDGTDVSLLREENIEDMDV VVAVTDSDEKNLLCSLLAKQLGAKKVIARADRSDYLPLFEMVGIDMAVSPREATVNEVLK LTMGRGIQTLTTIEGERAEIIEYTASEKSRIVGKPLNKVKFPKGALINMVVRGKETIIPR GDFIVNEGDRVVIFSMASAASEVEKYFK