3m8b

X-ray diffraction
2.44Å resolution

Crystal structure of spin-labeled BtuB V10R1 in the apo state

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-138877 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Vitamin B12 transporter BtuB Chain: A
Molecule details ›
Chain: A
Length: 594 amino acids
Theoretical weight: 66.39 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P06129 (Residues: 21-614; Coverage: 100%)
Gene names: JW3938, b3966, bfe, btuB, cer, dcrC
Sequence domains:
Structure domains:

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 22-ID
Spacegroup: P3121
Unit cell:
a: 81.29Å b: 81.29Å c: 226.562Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.264 0.219 0.248
Expression system: Escherichia coli