PDBe 3mf3

X-ray diffraction
2.5Å resolution

Cobalt(II)-Substituted Haemophilus influenzae B-Carbonic Anhydrase

Source organism: Haemophilus influenzae
Entry authors: Hoffmann KM, Rowlett RS

Function and Biology Details

Reaction catalysed:
H(2)CO(3) = CO(2) + H(2)O. 
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Entry contents:
1 distinct polypeptide molecule
Carbonic anhydrase 2 Chains: A, B, C, D, E, F
Molecule details ›
Chains: A, B, C, D, E, F
Length: 221 amino acids
Theoretical weight: 25.32 KDa
Source organism: Haemophilus influenzae
Expression system: Escherichia coli
  • Canonical: P45148 (Residues: 1-221; Coverage: 97%)
Gene names: HI_1301, can
Sequence domains: Carbonic anhydrase
Structure domains: Beta-carbonic Anhydrase; Chain A

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: CHESS BEAMLINE F1
Spacegroup: C2
Unit cell:
a: 229.492Å b: 144.929Å c: 52.215Å
α: 90° β: 93.77° γ: 90°
R R work R free
0.176 0.173 0.228
Expression system: Escherichia coli