PDBsum entry 3nkt

Oxidoreductase

PDB id: 3nkt

Contents

Protein chain

364 a.a.

Ligands

1HN

GOL ×2

Metals

FE2

Waters ×308

PDB id:

3nkt

Name:

Oxidoreductase

Title:

Crystal structure of salicylate 1,2-dioxygenase from pseudoaminobacter salicylatoxidans adducts with naphthoate

Structure:

Gentisate 1,2-dioxygenase. Chain: a. Engineered: yes

Source:

Pseudaminobacter salicylatoxidans. Organism_taxid: 93369. Strain: bn12. Expressed in: escherichia coli. Expression_system_taxid: 562.

Resolution:

2.35Å R-factor: 0.176 R-free: 0.234

Authors:

M.Ferraroni,F.Briganti,I.Matera

Key ref:

M.Ferraroni et al. (2012). Crystal structures of salicylate 1,2-dioxygenase-substrates adducts: A step towards the comprehension of the structural basis for substrate selection in class III ring cleaving dioxygenases. J Struct Biol, 177, 431-438. PubMed id: 22155290

Date:

21-Jun-10 Release date: 13-Jul-11

Protein chain

Q67FT0  (Q67FT0_PSESE) -  Gentisate 1,2-dioxygenase from Pseudaminobacter salicylatoxidans

Seq: 368 a.a.

Struc: 364 a.a.*

* PDB and UniProt seqs differ at 1 residue position (black cross)

Enzyme reactions

• Enzyme class: E.C.1.13.11.4 - gentisate 1,2-dioxygenase.
• Reaction: 2,5-dihydroxybenzoate + O2 = 3-maleylpyruvate + H⁺

2,5-dihydroxybenzoate (Bound ligand (Het Group name = 1HN) matches with 66.67% similarity) + O2 = 3-maleylpyruvate + H(+)

• Cofactor: Fe cation

Molecule diagrams generated from .mol files obtained from the KEGG ftp site

reference

J Struct Biol 177:431-438 (2012)

PubMed id: 22155290

Crystal structures of salicylate 1,2-dioxygenase-substrates adducts: A step towards the comprehension of the structural basis for substrate selection in class III ring cleaving dioxygenases.

M.Ferraroni, I.Matera, L.Steimer, S.Bürger, A.Scozzafava, A.Stolz, F.Briganti.

ABSTRACT

No abstract given.