Structure of PDB 3pcn Chain A

Receptor sequence
>3pcnA (length=200) Species: 303 (Pseudomonas putida) [Search protein sequence]
PIELLPETPSQTAGPYVHIGLALEAAGNPTRDQEIWNRLAKPDAPGEHIL
LLGQVYDGNGHLVRDSFLEVWQADANGEYQDAYNLENAFNSFGRTATTFD
AGEWTLHTVKPGVVNNAAGVPMAPHINISLFARGINIHLHTRLYFDDEAQ
ANAKCPVLNLIEQPQRRETLIAKRCEVDGKTAYRFDIRIQGEGETVFFDF
3D structure
PDB3pcn Crystal structure and resonance Raman studies of protocatechuate 3,4-dioxygenase complexed with 3,4-dihydroxyphenylacetate.
ChainA
Resolution2.4 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 DHY A P15 Y16 P15 Y16 PDBbind-CN: -logKd/Ki=3.66,Kd=220uM
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:3pcn, PDBe:3pcn, PDBj:3pcn
PDBsum3pcn
PubMed9298971
UniProtP00436|PCXA_PSEPU Protocatechuate 3,4-dioxygenase alpha chain (Gene Name=pcaG)

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