PDBe 2a5v

X-ray diffraction
2.2Å resolution

Crystal structure of M. tuberculosis beta carbonic anhydrase, Rv3588c, tetrameric form


Function and Biology Details

Reaction catalysed:
H(2)CO(3) = CO(2) + H(2)O
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assemblies composition:
homo tetramer
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Carbonic anhydrase 2 Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 213 amino acids
Theoretical weight: 22.57 KDa
Source organism: Mycobacterium tuberculosis H37Rv
Expression system: Escherichia coli
  • Canonical: P9WPJ9 (Residues: 2-207; Coverage: 100%)
Gene names: Rv3588c, canB, cynT, mtcA2
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: MAX II BEAMLINE I711
Spacegroup: P21
Unit cell:
a: 67.884Å b: 70.302Å c: 84.361Å
α: 90° β: 93.41° γ: 90°
R R work R free
0.165 0.162 0.214
Expression system: Escherichia coli