› 3b1b

X-ray diffraction
1.88Å resolution

The unique structure of wild type carbonic anhydrase alpha-CA1 from Chlamydomonas reinhardtii

Released:
DOI: 10.2210/pdb3b1b/pdb
PDB entry 3b1b coloured by chain, front view.
PDB entry 3b1b coloured by chain, side view.
PDB entry 3b1b coloured by chain, top view.
Source organism: Chlamydomonas reinhardtii
Primary publication:
The unique structure of carbonic anhydrase ��CA1 from Chlamydomonas reinhardtii.
Suzuki K, Yang SY, Shimizu S, Morishita EC, Jiang J, Zhang F, Hoque MM, Sato Y, Tsunoda M, Sekiguchi T, Tak��naka A
Acta Crystallogr. D Biol. Crystallogr. 67 894-901 (2011)
PMID: 21931221

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-148996 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Carbonic anhydrase 1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 377 amino acids
Theoretical weight: 41.68 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: P20507 (Residues: 1-377; Coverage: 100%)
Gene name: CAH1
Sequence domains: Eukaryotic-type carbonic anhydrase
Structure domains: Alpha carbonic anhydrase

Ligands and Environments

3 bound ligands:
Ligand ZN 2 x ZN
Ligand SO4 3 x SO4
Ligand NAG 5 x NAG
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PHOTON FACTORY BEAMLINE AR-NW12A
Spacegroup: P65
Unit cell:
a: 134.3Å b: 134.3Å c: 120.1Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.189 0.187 0.218

Quick links

Citations

1 review citation

α-CAs from Photosynthetic Organisms.
Langella et al. (2022)
10 other articles

2 mentions without citation

Complex lasso: new entangled motifs in proteins.
Niemyska et al. (2016)
1 more