PDBe 1hca

X-ray diffraction
2.3Å resolution

UNEXPECTED PH-DEPENDENT CONFORMATION OF HIS-64, THE PROTON SHUTTLE OF CARBONIC ANHYDRASE II.

Released:

Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Carbonic anhydrase 2 Chain: A
Molecule details ›
Chain: A
Length: 260 amino acids
Theoretical weight: 29.29 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Best match: P00918 (Residues: 1-260)
Gene name: CA2

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P21
Unit cell:
a: 42.7Å b: 41.7Å c: 73Å
α: 90° β: 104.6° γ: 90°
R-values:
R R work R free
0.164 not available not available
Expression system: Not provided