› 1aoz

X-ray diffraction
1.9Å resolution

REFINED CRYSTAL STRUCTURE OF ASCORBATE OXIDASE AT 1.9 ANGSTROMS RESOLUTION

Released:
DOI: 10.2210/pdb1aoz/pdb
PDB entry 1aoz coloured by chain, front view.
PDB entry 1aoz coloured by chain, side view.
PDB entry 1aoz coloured by chain, top view.
Source organism: Cucurbita pepo var. melopepo
Primary publication:
Refined crystal structure of ascorbate oxidase at 1.9 A resolution.
Messerschmidt A, Ladenstein R, Huber R, Bolognesi M, Avigliano L, Petruzzelli R, Rossi A, Finazzi-Agró A
J Mol Biol 224 179-205 (1992)
PMID: 1548698

Function and Biology Details

Reaction catalysed: 
4 L-ascorbate + O(2) = 4 monodehydroascorbate + 2 H(2)O
Biochemical function:
Biological process:
  • not assigned
Cellular component:
Sequence domains:
Structure domain:

Structure analysis Details

Assemblies composition:
homo dimer (preferred)
homo tetramer
Assembly name:
PDBe Complex ID:
PDB-CPX-153341 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
L-ascorbate oxidase Chains: A, B
Molecule details ›
Chains: A, B
Length: 552 amino acids
Theoretical weight: 61.77 KDa
Source organism: Cucurbita pepo var. melopepo
Expression system: Not provided
UniProt:
  • Canonical: P37064 (Residues: 1-552; Coverage: 100%)
Sequence domains:
Structure domains: Cupredoxins - blue copper proteins

Ligands and Environments

4 bound ligands:
Ligand NAG 2 x NAG
Ligand CU 3 x CU
Ligand C2O 2 x C2O
Ligand C1O 2 x C1O
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P21212
Unit cell:
a: 106.7Å b: 105.1Å c: 113.5Å
α: 90° β: 90° γ: 90°
Expression system: Not provided

Quick links

Citations

24 review citations

Laccases: a never-ending story.
Giardina et al. (2010)
23 more

17 mentions without citation

Metalloproteins containing cytochrome, iron-sulfur, or copper redox centers.
Liu et al. (2014)
16 more