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structure nameMETHIONINE REPRESSOR MUTANT (Q44K) PLUS COREPRESSOR (S-ADENOSYL METHIONINE) COMPLEXED TO AN ALTERED MET CONSENSUS OPERATOR SEQUENCE
(METHIONINE REPRESSOR)
referencePhillips et al. 'Structure 8 905 2000
sourceEscherichia coli
experimentX-ray (resolution=2.40, R-factor=0.223)
structural superfamilyRibbon-helix-helix;
sequence familyMet Aporepressor, MetJ;
multimeric complexes1cma_AB 1mj2_ABCD 1mjm_AB 1mjo_ABCD 1mjp_AB 1mjq_ABCD 1mjq_GHIJ
reference complex1mjo_B
links to other resourcesNAKB PDBSum PDIdb DNAproDB
protein sequence
interface signatureKTS

Estimated binding specificities ?

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# IC=2.755 IC/col=0.459 n_of_columns=6 specificity:   
A |  57  11  24  24   0   0
C |   9   9  24  24  96   9
G |  19   9  24  24   0  11
T |  11  67  24  24   0  76
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updated Thu Jan 8 18:24:03 2026