>2N5G_1|Chains A, B|TrfB transcriptional repressor protein|Escherichia coli (562) MKKRLTESQFQEAIQGLEVGQQTIEIARGVLVDGKPQATFATSLGLTRGAVSQAVHRVWAAFEDKNLPEGYARVTAVLPEHQAYIVRKWEADAKKKQETKR