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1cmc is a 2 chain structure with sequence from Escherichia coli. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.
Publication Abstract from PubMed
The three-dimensional crystal structure of met repressor, in the presence or absence of bound corepressor (S-adenosylmethionine), shows a dimer of intertwined monomers, which do not have the helix-turn-helix motif characteristic of other bacterial repressor and activator structures. We propose that the interaction of met repressor with DNA occurs through either a pair of symmetry-related alpha-helices or a pair of beta-strands, and suggest a model for binding of several dimers to met operator regions.
Three-dimensional crystal structures of Escherichia coli met repressor with and without corepressor.,Rafferty JB, Somers WS, Saint-Girons I, Phillips SE Nature. 1989 Oct 26;341(6244):705-10. PMID:2677753[1]
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.
↑ Rafferty JB, Somers WS, Saint-Girons I, Phillips SE. Three-dimensional crystal structures of Escherichia coli met repressor with and without corepressor. Nature. 1989 Oct 26;341(6244):705-10. PMID:2677753 doi:http://dx.doi.org/10.1038/341705a0
