Structure of PDB 4whq Chain A

Receptor sequence
>4whqA (length=200) Species: 303 (Pseudomonas putida) [Search protein sequence]
PIELLPETPSQTAGPYVHIGLALEAAGNPTRDQEIWNRLAKPDAPGEHIL
LLGQVYDGNGHLVRDSFLEVWQADANGEYQDAYNLENAFNSFGRTATTFD
AGEWTLHTVKPGVVNNAAGVPMAPHINISLFARGINIHLHTRLYFDDEAQ
ANAKCPVLNLIEQPQRRETLIAKRCEVDGKTAYRFDIRIQGEGETVFFDF
3D structure
PDB4whq Crystal structures of alkylperoxo and anhydride intermediates in an intradiol ring-cleaving dioxygenase.
ChainA
Resolution1.78 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) Y79 V114 M122 H125 N127
Catalytic site (residue number reindexed from 1) Y79 V114 M122 H125 N127
Enzyme Commision number 1.13.11.3: protocatechuate 3,4-dioxygenase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 3N8 A R167 E168 R167 E168 PDBbind-CN: -logKd/Ki=4.12,Kd=75uM
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0005506 iron ion binding
GO:0008199 ferric iron binding
GO:0016702 oxidoreductase activity, acting on single donors with incorporation of molecular oxygen, incorporation of two atoms of oxygen
GO:0018578 protocatechuate 3,4-dioxygenase activity
GO:0051213 dioxygenase activity
Biological Process
GO:0009056 catabolic process
GO:0042952 beta-ketoadipate pathway

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Molecular Function
View graph for
Biological Process
External links
PDB RCSB:4whq, PDBe:4whq, PDBj:4whq
PDBsum4whq
PubMed25548185
UniProtP00436|PCXA_PSEPU Protocatechuate 3,4-dioxygenase alpha chain (Gene Name=pcaG)

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