>tr|A0A0E3R9N6|A0A0E3R9N6_METMZ Trk system potassium uptake protein TrkA OS=Methanosarcina mazei SarPi GN=MSMAP_2080 MKAVIIGAGEVGYHIAKALSPKNDVVIIDKDEEAAKRADELDVLVIEGNGANAEILSRVL QNADLLVAVTGVDEVNIVACMTAKLIMKNKNGWKDTKTIARVSNPDYIDSPVTSRAQVGV DLMICPELALASEVADILSSPSAIDAEMFAEGKVRMTEFAISPESKLVGKHMQDLKLADC CIVSAVFREDQIIIPHGDDLIKANDHMVVVGKPESMEDLESVFGSKVSHRTRILLIGCGI VGMYLAKLIDKEENADLRIIEHSKSRCIEVAEILENALVLNGDGTDVSLLREENIEDMDV VVAVTDSDEKNLLCSLLAKQLGAKKVIARADRSDYLPLFEMVGIDMAVSPREATVNEVLK LTMGRGIQTLTTIEGERAEIIEYTASEKSRIVGKPLNKVKFPKGALINMVVRGKETIIPR GDFIVNEGDRVVIFSMASAASEVEKYFK