>1MJQ_1|Chains A[auth E], B[auth F], C[auth K], D[auth L]|MUTATED MET CONSENSUS OPERATOR DUPLEX|null TTAGATATCTAGATATCTA >1MJQ_2|Chains E[auth A], F[auth B], G[auth C], H[auth D], I[auth G], J[auth H], K[auth I], L[auth J]|METHIONINE REPRESSOR|Escherichia coli (562) AEWSGEYISPYAEHGKKSEQVKKITVSIPLKVLKILTDERTRRKVNNLRHATNSELLCEAFLHAFTGQPLPDDADLRKERSDEIPEAAKEIMREMGINPETWEY