>tr|A0A0E3RXH3|A0A0E3RXH3_METMZ Trk system potassium uptake protein TrkA OS=Methanosarcina mazei C16 GN=MSMAC_2256 MKAVIIGAGEVGYHIAKALSPKNDVVIIDKDEEAAKRADELDVLVIEGNGANAEILSRVL QNADLLVAVTGVDEVNIVACMTAKLIMKNKNGWKDTKTIARVSNPDYIDSPVTSRAQVGV DLMICPELALASEVADILSSPSAIDAEMFAEGKVRMTEFAISPESKLVGKHMQDLKLADC CIVSAVFREDQIIIPHGDDLIKANDHMVVVGKPESMEDLESVFGSKVSHRTRILLIGCGI VGMYLAKLIDKEENADLRIIEHSKSRCIEVAEILENALVLNGDGTDVSLLREENIEDMDV VVAVTDSDEKNLLCSLLAKQLGAKKVIARADRSDYLPLFEMVGIDMAVSPREATVNEVLK LTMGRGIQTLTTIEGERAEIIEYTASEKSRIVGKPLNKVKFPKGALINMVVRGKETIIPR GDFIVNEGDRVVIFSMASAASEVEKYFK