Structure of PDB 3pcn Chain A Binding Site BS01

Receptor Information
>3pcn Chain A (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 IDDHY
InChIInChI=1S/C8H8O4/c9-6-2-1-5(3-7(6)10)4-8(11)12/h1-3,9-10H,4H2,(H,11,12)
InChIKeyCFFZDZCDUFSOFZ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0c1cc(c(cc1CC(=O)O)O)O
CACTVS 3.341OC(=O)Cc1ccc(O)c(O)c1
ACDLabs 10.04O=C(O)Cc1cc(O)c(O)cc1
FormulaC8 H8 O4
Name2-(3,4-DIHYDROXYPHENYL)ACETIC ACID
ChEMBLCHEMBL1284
DrugBankDB01702
ZINCZINC000000388555
PDB chain3pcn Chain M Residue 550 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3pcn Crystal structure and resonance Raman studies of protocatechuate 3,4-dioxygenase complexed with 3,4-dihydroxyphenylacetate.
Resolution2.4 Å
Binding residue
(original residue number in PDB)		P15 Y16
Binding residue
(residue number reindexed from 1)		P15 Y16
Annotation score1
Binding affinityPDBbind-CN: -logKd/Ki=3.66,Kd=220uM
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.
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:3pcn, PDBe:3pcn, PDBj:3pcn
PDBsum3pcn
PubMed9298971
UniProtP00436|PCXA_PSEPU Protocatechuate 3,4-dioxygenase alpha chain (Gene Name=pcaG)

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