PDBe 1ddz

X-ray diffraction
2.2Å resolution

X-RAY STRUCTURE OF A BETA-CARBONIC ANHYDRASE FROM THE RED ALGA, PORPHYRIDIUM PURPUREUM R-1

Released:

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

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Carbonic anhydrase Chains: A, B
Molecule details ›
Chains: A, B
Length: 496 amino acids
Theoretical weight: 54.99 KDa
Source organism: Porphyridium purpureum
Expression system: Escherichia coli
UniProt:
  • Canonical: Q43060 (Residues: 76-571; Coverage: 87%)
Gene names: gtPCA1, pca1
Sequence domains: Carbonic anhydrase
Structure domains: Beta-carbonic Anhydrase; Chain A

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL45XU
Spacegroup: P21
Unit cell:
a: 63.5Å b: 112.8Å c: 73.2Å
α: 90° β: 103.6° γ: 90°
R-values:
R R work R free
0.208 0.208 0.274
Expression system: Escherichia coli