Brand  (β version)

PDB ID: 1AOZ

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Ligands
Code Name Style Show Link
CU Copper (II) ion PoSSuM
C2O Cu-O-Cu linkage PoSSuM
C1O Cu-O linkage PoSSuM
Non-standard Residues
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Glycosylation
Code Name Emphasize
NAG 2-acetamido-2-deoxy-beta-D-glucopyranose
Modification
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Structure summary

Code : 1AOZ   PDBj   RCSB PDB   PDBe
Header : OXIDOREDUCTASE(OXYGEN ACCEPTOR)
Title : REFINED CRYSTAL STRUCTURE OF ASCORBATE OXIDASE AT 1.9 ANGSTROMS RESOLUTION
Release Data : 1993-10-31
Compound :
mol_id molecule chains
1 ASCORBATE OXIDASE A,B
ec: 1.10.3.3
Source :
mol_id organism_scientific organism_common
1 Cucurbita pepo var. melopepo  (taxid:3665) Zucchini
strain: var. melopepo
Authors : Messerschmidt, A., Ladenstein, R., Huber, R.
Keywords : OXIDOREDUCTASE(OXYGEN ACCEPTOR)
Exp. method : X-RAY DIFFRACTION ( 1.9 Å )
Citation :

Refined crystal structure of ascorbate oxidase at 1.9 A resolution.

Messerschmidt, A.,Ladenstein, R.,Huber, R.  et al.
(1992)  J.Mol.Biol.  224 : 179 - 205

PubMed: 1548698
DOI: 10.1016/0022-2836(92)90583-6

X-Ray Crystal Structure of the Blue Oxidase Ascorbate Oxidase from Zucchini. Analysis of the Polypeptide Fold and a Model of the Copper Sites and Ligands

Messerschmidt, A.,Rossi, A.,Ladenstein, R.  et al.
(1989)  J.Mol.Biol.  206 : 513

Reaction

Chain : A, B
UniProt : P37064 (ASO_CUCPM)
Reaction: EC: Evidence:
Physiological Direction:
4 L-ascorbate + O2 = 4 monodehydro-L-ascorbate radical + 2 H2O 1.10.3.3 -
-
Cofactor: Evidence: Note:
Cu cation - Binds 4 Cu cations per monomer. The Cu cations are bound as 3 distinct Cu centers known as type 1 or blue, type 2 or normal, and type 3 or coupled binuclear.