1cma

X-ray diffraction
2.8Å resolution

MET REPRESSOR/DNA COMPLEX + S-ADENOSYL-METHIONINE

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero octamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-113548 (preferred)
Entry contents:
1 distinct polypeptide molecule
2 distinct DNA molecules
Macromolecules (3 distinct):
Met repressor Chains: A, B
Molecule details ›
Chains: A, B
Length: 104 amino acids
Theoretical weight: 12.03 KDa
Source organism: Escherichia coli
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
DNA (5'-D(*TP*TP*AP*GP*AP*CP*GP*TP*CP*T)-3') Chain: C
Molecule details ›
Chain: C
Length: 10 nucleotides
Theoretical weight: 3.04 KDa
Source organism: Escherichia coli
Expression system: Not provided
DNA (5'-D(*AP*GP*AP*CP*GP*TP*CP*TP*A)-3') Chain: D
Molecule details ›
Chain: D
Length: 9 nucleotides
Theoretical weight: 2.74 KDa
Source organism: Escherichia coli
Expression system: Not provided

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SRS BEAMLINE PX9.6
Spacegroup: P6222
Unit cell:
a: 121.35Å b: 121.35Å c: 84.81Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.22 not available not available
Expression system: Not provided