>4j7c_B mol:protein length:222 Ktr system potassium uptake protein AMGRIKNKQFAVIGLGRFGGSIVKELHRMGHEVLAVDINEEKVNAYASYATHAVIANATEENELLSLGIRNFEYVIVAIGANIQASTLTTLLLKELDIPNIWVKAQNYYHHKVLEKIGADRIIHPEKDMGVKIAQSLSDENVLNYIDLSDEYSIVELLATRKLDSKSIIDLNVRAKYGCTILAIKHHGDICLSPAPEDIIREQDCLVIMGHKKDIKRFENEGM