>tr|A0A5R8RCC3|A0A5R8RCC3_ECOLX Met repressor OS=Escherichia coli O25b:H4 GN=metJ MAEWSGEYISPYAEHGKKSEQVKKITVSIPLKVLKILTDERTRRQVNNLRHATNSELLCE AFLHAFTGQPLPDDADLRKERSDEIPEAAKEIMREMGINPETWEY