>tr|A0A0E3RTU2|A0A0E3RTU2_METMZ Trk system potassium uptake protein TrkA OS=Methanosarcina mazei LYC GN=MSMAL_2904 MKAVIIGAGEVGYHIAKALSPKNDVVIIDKDEEAAKRADELDVLVIEGNGANAEILSRVL QNADLLVAVTGVDEVNIVACMTAKLIMKNKNGWKDTKTIARVSNPDYIDSPVTSRAQVGV DLMICPELALASEVADILSSPSAIDAEMFAEGKVRMTEFAISPESKLVGKHMQDLKLADC CIVSAVFREDQIIIPHGDDLIKANDHMVVVGKPESMEDLESVFGSKVSHRTRILLIGCGI VGMYLAKLIDKEENADLRIIEHSKSRCIEVAEILENALVLNGDGTDVSLLREENIEDMDV VVAVTDSDEKNLLCSLLAKQLGAKKVIARADRSDYLPLFEMVGIDMAVSPREATVNEVLK LTMGRGIQTLTTIEGERAEIIEYTASEKSRIVGKPLNKVKFPKGALINMVVRGKETIIPR GDFIVNEGDRVVIFSMASAASEVEKYFK