_EC Catechol 2,3-dioxygenase. 2 PDB entries  
EC 1.-.-.- Oxidoreductases. [9,199 PDB entries]
EC 1.13.-.- Acting on single donors with incorporation of molecular oxygen. [321 PDB entries]
EC 1.13.11.- With incorporation of two atoms of oxygen. [286 PDB entries]
EC Catechol 2,3-dioxygenase. [2 PDB entries]    

Reaction: Catechol + O(2) = 2-hydroxymuconate-6-semialdehyde.

= 2-hydroxymuconate-6-semialdehyde
Molecule diagrams generated from .mol files obtained from the KEGG ftp site.

Other name(s): 2,3-pyrocatechase. Cato2ase. Metapyrocatechase.
Cofactor(s): Fe(2+).
Comments: The enzyme initiates the meta-cleavage pathway of catechol degradation. Formerly Ec
Links:   [IntEnz]   [ExPASy]   [KEGG]  

There are 2 PDB entries in enzyme class E.C.

  PDB code Protein
Structure of catechol 2,3-dioxygenase (metapyrocatechase) from pseudomonas putida mt-2
Source: Pseudomonas putida. Organism_taxid: 303. Strain: mt-2. Atcc: atcc 23973. Collection: atcc 23973. Gene: xyle. Expressed in: escherichia coli str. K12 substr. W3110. Expression_system_taxid: 316407.
Chains: A, B, C, D (307 residues) CATH domains:
Bound ligand:   Het Group ACN is 50.00% similar to enzyme reactant catechol
Crystal structure of 2,3-dihydroxy biphenyl dioxygenase from rhodococcus sp. (Strain rha1)
Source: Rhodococcus jostii. Organism_taxid: 101510. Strain: rha1. Expressed in: escherichia coli. Expression_system_taxid: 469008.
Chains: A, B, C, D (325 residues) CATH domains:
Bound ligands:   Het Group PEO corresponds to enzyme reactant O(2)
  Het Group HPX is 62.00% similar to enzyme product 2-hydroxymuconate semialdehyde