spacer
spacer

PDBsum entry 3lkt

Go to PDB code: 
protein ligands metals Protein-protein interface(s) links
Oxidoreductase PDB id
3lkt
Jmol
Contents
Protein chains
(+ 0 more) 200 a.a. *
(+ 0 more) 238 a.a. *
Ligands
SO4 ×6
BME ×32
TRS ×5
GOL ×2
Metals
_FE ×6
_CL ×9
Waters ×2768
* Residue conservation analysis
PDB id:
3lkt
Name: Oxidoreductase
Title: Tyrosine 447 of protocatechuate 3,4-dioxygenase controls eff progress through catalysis
Structure: Protocatechuate 3,4-dioxygenase alpha chain. Chain: a, b, c, d, e, f. Synonym: 3,4-pcd. Engineered: yes. Protocatechuate 3,4-dioxygenase beta chain. Chain: m, n, o, p, q, r. Synonym: 3,4-pcd. Engineered: yes. Mutation: yes
Source: Pseudomonas putida. Organism_taxid: 303. Gene: pcag. Expressed in: escherichia coli. Expression_system_taxid: 469008. Gene: pcah.
Resolution:
1.65Å     R-factor:   0.150     R-free:   0.173
Authors: J.D.Lipscomb,V.M.Purpero
Key ref: V.M.Purpero et al. Tyrosine 447 of protocatechuate 3,4-Dioxygenase contr efficient progress through catalysis. To be published, .
Date:
27-Jan-10     Release date:   23-Feb-11    
PROCHECK
Go to PROCHECK summary
 Headers
 References

Protein chains
Pfam   ArchSchema ?
P00436  (PCXA_PSEPU) -  Protocatechuate 3,4-dioxygenase alpha chain
Seq:
Struc:
201 a.a.
200 a.a.
Protein chains
Pfam   ArchSchema ?
P00437  (PCXB_PSEPU) -  Protocatechuate 3,4-dioxygenase beta chain
Seq:
Struc:
239 a.a.
238 a.a.*
Key:    PfamA domain  Secondary structure  CATH domain
* PDB and UniProt seqs differ at 1 residue position (black cross)

 Enzyme reactions 
   Enzyme class: Chains A, M, B, N, C, O, D, P, E, Q, F, R: E.C.1.13.11.3  - Protocatechuate 3,4-dioxygenase.
[IntEnz]   [ExPASy]   [KEGG]   [BRENDA]

      Pathway:
Benzoate Metabolism
      Reaction: 3,4-dihydroxybenzoate + O2 = 3-carboxy-cis,cis-muconate
3,4-dihydroxybenzoate
Bound ligand (Het Group name = GOL)
matches with 41.67% similarity
+ O(2)
= 3-carboxy-cis,cis-muconate
      Cofactor: Fe cation
Molecule diagrams generated from .mol files obtained from the KEGG ftp site
 Gene Ontology (GO) functional annotation 
  GO annot!
  Biological process     oxidation-reduction process   5 terms 
  Biochemical function     catalytic activity     8 terms