3g8c

X-ray diffraction
2Å resolution

Crystal Structure of Biotin Carboxylase in Complex with Biotin, Bicarbonate, ADP and Mg Ion

Released:

Function and Biology Details

Reaction catalysed:
ATP + [biotin carboxyl-carrier protein]-biotin-N(6)-L-lysine + hydrogencarbonate- = ADP + phosphate + [biotin carboxyl-carrier protein]-carboxybiotin-N(6)-L-lysine
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-150165 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Biotin carboxylase Chains: A, B
Molecule details ›
Chains: A, B
Length: 444 amino acids
Theoretical weight: 48.83 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli
UniProt:
  • Canonical: P24182 (Residues: 1-444; Coverage: 99%)
Gene names: JW3224, accC, b3256, fabG
Sequence domains:
Structure domains:

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X4C
Spacegroup: P212121
Unit cell:
a: 83.317Å b: 106.166Å c: 121.486Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.184 0.182 0.216
Expression system: Escherichia coli