×

Network disruptions

We have been experiencing disruptions on our local network which has affected the stability of these web pages. We have been working with IT support team to get this fixed as a matter of urgency and apologise for any inconvenience.

CATH Classification

Domain Context

CATH Clusters

Superfamily Di-copper center containing domain from catechol oxidase
Functional Family Polyphenol oxidase, chloroplastic

Enzyme Information

1.10.3.1
Catechol oxidase.
based on mapping to UniProt Q9ZP19
2 catechol + O(2) = 2 1,2-benzoquinone + 2 H(2)O.
-!- A type 3 copper protein that catalyzes exclusively the oxidation of catechols (i.e., o-diphenols) to the corresponding o-quinones. -!- The enzyme also acts on a variety of substituted catechols. -!- It is different from tyrosinase, EC 1.14.18.1, which can catalyze both the monooxygenation of monophenols and the oxidation of catechols.

UniProtKB Entries (1)

Q9ZP19
PPO1_IPOBA
Ipomoea batatas
Polyphenol oxidase I, chloroplastic

PDB Structure

PDB 1BUG
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Crystal structure of a plant catechol oxidase containing a dicopper center.
Klabunde, T., Eicken, C., Sacchettini, J.C., Krebs, B.
Nat.Struct.Biol.
CATH-Gene3D is a Global Biodata Core Resource Learn more...