› 1cmc

X-ray diffraction
1.8Å resolution

THREE DIMENSIONAL CRYSTAL STRUCTURES OF E. COLI MET REPRESSOR WITH AND WITHOUT COREPRESSOR

Released:
DOI: 10.2210/pdb1cmc/pdb
PDB entry 1cmc coloured by chain, front view.
PDB entry 1cmc coloured by chain, side view.
PDB entry 1cmc coloured by chain, top view.
Source organism: Escherichia coli
Primary publication:
Three-dimensional crystal structures of Escherichia coli met repressor with and without corepressor.
Rafferty JB, Somers WS, Saint-Girons I, Phillips SE
Nature 341 705-10 (1989)
PMID: 2677753

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-141746 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Met repressor Chains: A, B
Molecule details ›
Chains: A, B
Length: 104 amino acids
Theoretical weight: 12.03 KDa
Source organism: Escherichia coli
Expression system: Not provided
UniProt:
  • Canonical: P0A8U6 (Residues: 2-105; Coverage: 99%)
Gene names: JW3909, b3938, metJ
Sequence domains: Met Apo-repressor, MetJ
Structure domains: MET Apo-Repressor, subunit A

Ligands and Environments

2 bound ligands:
Ligand MG 2 x MG
Ligand SAM 2 x SAM
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P3221
Unit cell:
a: 75.07Å b: 75.07Å c: 81.8Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.183 not available not available
Expression system: Not provided

Quick links

Citations

21 review citations

A structural taxonomy of DNA-binding domains.
Harrison SC. (1991)
20 more

8 mentions without citation

Natural history of S-adenosylmethionine-binding proteins.
Kozbial et al. (2005)
7 more