PDBe 3h9q

X-ray diffraction
2.63Å resolution

Crystal structure of E. coli MccB + SeMet MccA


Function and Biology Details

Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
MccB protein Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 353 amino acids
Theoretical weight: 39.41 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
  • Canonical: Q47506 (Residues: 1-350; Coverage: 100%)
Gene name: mccB
Sequence domains: ThiF family
Structure domains:
Microcin C7 ANALOG Chains: E, F, G, H
Molecule details ›
Chains: E, F, G, H
Length: 7 amino acids
Theoretical weight: 811 Da
Source organism: Escherichia coli
Expression system: Not provided

Ligands and Environments

2 bound ligands:

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 24-ID-E
Spacegroup: P21
Unit cell:
a: 56.3Å b: 138.597Å c: 81.375Å
α: 90° β: 92.06° γ: 90°
R R work R free
0.207 0.207 0.273
Expression systems:
  • Escherichia coli
  • Not provided