4hr7

X-ray diffraction
2.5Å resolution

Crystal Structure of Biotin Carboxyl Carrier Protein-Biotin Carboxylase Complex from E.coli

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:
hetero octamer (preferred)
PDBe Complex ID:
PDB-CPX-142043 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Biotin carboxylase Chains: A, C, E, F
Molecule details ›
Chains: A, C, E, F
Length: 449 amino acids
Theoretical weight: 49.39 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P24182 (Residues: 1-449; Coverage: 100%)
Gene names: JW3224, accC, b3256, fabG
Sequence domains:
Structure domains:
Biotin carboxyl carrier protein of acetyl-CoA carboxylase Chains: B, D, G, I
Molecule details ›
Chains: B, D, G, I
Length: 176 amino acids
Theoretical weight: 18.87 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P0ABD8 (Residues: 1-156; Coverage: 100%)
Gene names: JW3223, accB, b3255, fabE
Sequence domains: Biotin-requiring enzyme
Structure domains: OB fold (Dihydrolipoamide Acetyltransferase, E2P)

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 24-ID-E
Spacegroup: C2
Unit cell:
a: 232.995Å b: 96.385Å c: 120.573Å
α: 90° β: 120.15° γ: 90°
R-values:
R R work R free
0.197 0.195 0.229
Expression system: Escherichia coli BL21(DE3)