Structure of PDB 3pcb Chain R Binding Site BS02

Receptor Information
>3pcb Chain R (length=233) Species: 303 (Pseudomonas putida) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PAQDNSRFVIRDRNWHPKALTPDYKTSIARSPRQALVSIPQSISETTGPN
FSHLGFGAHDHDLLLNFGLPIGERIIVAGRVVDQYGKPVPNTLVEMWQAN
AGGRYRHKNDRYLAPLDPNFGGVGRCLTDSDGYYSFRTIKPGPYPWRNGP
NDWRPAHIHFGISGPSIATKLITQLYFEGDPLIPMCPIVKSIANPEAVQQ
LIAKLDMNNANPMDCLAYRFDIVLRGQRKTHFE
Ligand information
Ligand ID3HB
InChIInChI=1S/C7H6O3/c8-6-3-1-2-5(4-6)7(9)10/h1-4,8H,(H,9,10)
InChIKeyIJFXRHURBJZNAO-UHFFFAOYSA-N
SMILES
SoftwareSMILES
ACDLabs 12.01O=C(O)c1cc(O)ccc1
OpenEye OEToolkits 1.7.2c1cc(cc(c1)O)C(=O)O
CACTVS 3.370OC(=O)c1cccc(O)c1
FormulaC7 H6 O3
Name3-HYDROXYBENZOIC ACID
ChEMBLCHEMBL65369
DrugBank
ZINCZINC000000388754
PDB chain3pcb 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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PDB3pcb Structures of competitive inhibitor complexes of protocatechuate 3,4-dioxygenase: multiple exogenous ligand binding orientations within the active site.
Resolution2.19 Å
Binding residue
(original residue number in PDB)		Y324 Y447 W449 R457
Binding residue
(residue number reindexed from 1)		Y24 Y144 W146 R154
Annotation score2
Binding affinityMOAD: Ki=4mM
Enzymatic activity
Catalytic site (original residue number in PDB) Y408 Y447 R457 H460 H462
Catalytic site (residue number reindexed from 1) Y105 Y144 R154 H157 H159
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:0046872 metal ion binding
GO:0051213 dioxygenase activity
Biological Process
GO:0009056 catabolic process
GO:0019619 3,4-dihydroxybenzoate catabolic process
GO:0042952 beta-ketoadipate pathway

View graph for
Molecular Function
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Biological Process
External links
PDB RCSB:3pcb, PDBe:3pcb, PDBj:3pcb
PDBsum3pcb
PubMed9254599
UniProtP00437|PCXB_PSEPU Protocatechuate 3,4-dioxygenase beta chain (Gene Name=pcaH)

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