Structure of PDB 3pcm Chain F Binding Site BS01

Receptor Information
>3pcm Chain F (length=200) Species: 303 (Pseudomonas putida) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PIELLPETPSQTAGPYVHIGLALEAAGNPTRDQEIWNRLAKPDAPGEHIL
LLGQVYDGNGHLVRDSFLEVWQADANGEYQDAYNLENAFNSFGRTATTFD
AGEWTLHTVKPGVVNNAAGVPMAPHINISLFARGINIHLHTRLYFDDEAQ
ANAKCPVLNLIEQPQRRETLIAKRCEVDGKTAYRFDIRIQGEGETVFFDF
Ligand information
Ligand IDNNO
InChIInChI=1S/C6H5NO4/c8-5-2-1-4(6(9)10)3-7(5)11/h1-3,8H,(H,9,10)
InChIKeyPQTDJLRPWRPPLV-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341OC(=O)c1ccc(O)[n+]([O-])c1
ACDLabs 10.04O=C(O)c1c[n+]([O-])c(O)cc1
OpenEye OEToolkits 1.5.0c1cc([n+](cc1C(=O)O)[O-])O
FormulaC6 H5 N O4
Name6-HYDROXYISONICOTINIC ACID N-OXIDE
ChEMBL
DrugBank
ZINC
PDB chain3pcm Chain R Residue 550 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3pcm Crystal structures of substrate and substrate analog complexes of protocatechuate 3,4-dioxygenase: endogenous Fe3+ ligand displacement in response to substrate binding.
Resolution2.25 Å
Binding residue
(original residue number in PDB)		P15 R133
Binding residue
(residue number reindexed from 1)		P15 R133
Annotation score2
Enzymatic activity
Catalytic site (original residue number in PDB) Y79 V114
Catalytic site (residue number reindexed from 1) Y79 V114
Enzyme Commision number 1.13.11.3: protocatechuate 3,4-dioxygenase.
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

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:3pcm, PDBe:3pcm, PDBj:3pcm
PDBsum3pcm
PubMed9254600
UniProtP00436|PCXA_PSEPU Protocatechuate 3,4-dioxygenase alpha chain (Gene Name=pcaG)

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