Structure of PDB 5pa3 Chain A Binding Site BS02

Receptor Information
>5pa3 Chain A (length=213) Species: 10116 (Rattus norvegicus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
DTKEQRILRYVQQNAKPGDPQSVLEAIDTYCTQKEWAMNVGDAKGQIMDA
VIREYSPSLVLELGAYCGYSAVRMARLLQPGARLLTMEINPDCAAITQQM
LNFAGLQDKVTILNGASQDLIPQLKKKYDVDTLDMVFLDHWKDRYLPDTL
LLEKCGLLRKGTVLLADNVIVPGTPDFLAYVRGSSSFECTHYSSYLEYMK
VVDGLEKAIYQGP
Ligand information
Ligand ID7JV
InChIInChI=1S/C16H14N2O3/c1-21-8-10-4-2-3-5-12(10)11-6-13-15(14(19)7-11)17-9-18-16(13)20/h2-7,9,19H,8H2,1H3,(H,17,18,20)
InChIKeyCBWCDEQPQXXGLJ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 2.0.6COCc1ccccc1c2cc3c(c(c2)O)NC=NC3=O
CACTVS 3.385COCc1ccccc1c2cc(O)c3NC=NC(=O)c3c2
FormulaC16 H14 N2 O3
Name6-[2-(methoxymethyl)phenyl]-8-oxidanyl-1~{H}-quinazolin-4-one;
8-hydroxy-6-[2-(methoxymethyl)phenyl]-3H-quinazolin-4-one
ChEMBL
DrugBank
ZINC
PDB chain5pa3 Chain A Residue 302 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB5pa3 Crystal Structure of a COMT complex
Resolution1.6 Å
Binding residue
(original residue number in PDB)		W38 M40 D141 H142 W143 N170 P174 E199
Binding residue
(residue number reindexed from 1)		W36 M38 D139 H140 W141 N168 P172 E197
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) D141 K144 D169 N170 E199
Catalytic site (residue number reindexed from 1) D139 K142 D167 N168 E197
Enzyme Commision number 2.1.1.6: catechol O-methyltransferase.
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0008171 O-methyltransferase activity
GO:0016206 catechol O-methyltransferase activity
Biological Process
GO:0006584 catecholamine metabolic process

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Molecular Function
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Biological Process
External links
PDB RCSB:5pa3, PDBe:5pa3, PDBj:5pa3
PDBsum5pa3
PubMed
UniProtP22734|COMT_RAT Catechol O-methyltransferase (Gene Name=Comt)

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