PDBe 6h3q

X-ray diffraction
1.31Å resolution

Crystal structure of human carbonic anhydrase II in complex with the 4-(5-(chloromethyl)-1,3-selenazol-2-yl)benzenesulfonamide


Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Carbonic anhydrase 2 Chain: A
Molecule details ›
Chain: A
Length: 260 amino acids
Theoretical weight: 29.29 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
  • Canonical: P00918 (Residues: 1-260; Coverage: 100%)
Gene name: CA2
Sequence domains: Eukaryotic-type carbonic anhydrase

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID23-2
Spacegroup: P21
Unit cell:
a: 42.378Å b: 41.361Å c: 72.047Å
α: 90° β: 104.26° γ: 90°
R R work R free
0.183 0.182 0.207
Expression system: Escherichia coli BL21