>sp|P76545|YFFN_ECOLI Uncharacterized protein YffN OS=Escherichia coli GN=yffN MKHVFKYLDFAEDREHAESVATKELKLDHVEKFAIRDLANDIKERGCVELVQPGGFDELV QIYEAGGDGIEPLNCGIESRKVAIAALLRVMREPDFQCLEMVHEIIRIARDLEAPVDAPL DC