PDBe 2ewn

X-ray diffraction
2.8Å resolution

Ecoli Biotin Repressor with co-repressor analog


Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Bifunctional ligase/repressor BirA Chains: A, B
Molecule details ›
Chains: A, B
Length: 321 amino acids
Theoretical weight: 35.35 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
  • Canonical: P06709 (Residues: 1-321; Coverage: 100%)
Gene names: JW3941, b3973, bioR, birA, dhbB
Sequence domains:
Structure domains:

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 8.2.1
Spacegroup: P43212
Unit cell:
a: 152.188Å b: 152.188Å c: 93.189Å
α: 90° β: 90° γ: 90°
R R work R free
0.214 0.213 0.264
Expression system: Escherichia coli