Structure of PDB 3nhs Chain B Binding Site BS04

Receptor Information
>3nhs Chain B (length=230) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
AGKKVLIVYAHQEPKSFNGSLKNVAVDELSRQGCTVTVSDLYAMNFEPRA
TDKDITGTLSNPEVFNYGVETHEAYKQRSLASDITDEQKKVREADLVIFQ
FPLYWFSVPAILKGWMDRVLCQGFAFDIPGFYDSGLLQGKLALLSVTTGG
TAEMYTKTGVNGDSRYFLWPLQHGTLHFCGFKVLAPQISFAPEIASEEER
KGMVAAWSQRLQTIWKEEPIPCTAHWHFGQ
Ligand information
Ligand IDMZX
InChIInChI=1S/C12H13NO3/c1-7-6-10(14)13-12-9(16-3)5-4-8(15-2)11(7)12/h4-6H,1-3H3,(H,13,14)
InChIKeyBUHDAIGNGIXQJO-UHFFFAOYSA-N
SMILES
SoftwareSMILES
ACDLabs 12.01O=C2C=C(c1c(OC)ccc(OC)c1N2)C
CACTVS 3.370COc1ccc(OC)c2C(=CC(=O)Nc12)C
OpenEye OEToolkits 1.7.0CC1=CC(=O)Nc2c1c(ccc2OC)OC
FormulaC12 H13 N O3
Name5,8-dimethoxy-4-methylquinolin-2(1H)-one
ChEMBLCHEMBL493174
DrugBank
ZINCZINC000008817671
PDB chain3nhs Chain B Residue 234 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3nhs Synthesis of casimiroin and optimization of its quinone reductase 2 and aromatase inhibitory activities.
Resolution1.78 Å
Binding residue
(original residue number in PDB)		W105 G149 G150 M154 N161
Binding residue
(residue number reindexed from 1)		W105 G149 G150 M154 N161
Annotation score1
Binding affinityBindingDB: IC50=10800nM
Enzymatic activity
Catalytic site (original residue number in PDB) G149 Y155 N161
Catalytic site (residue number reindexed from 1) G149 Y155 N161
Enzyme Commision number 1.10.5.1: ribosyldihydronicotinamide dehydrogenase (quinone).
Gene Ontology
Molecular Function
GO:0001512 dihydronicotinamide riboside quinone reductase activity
GO:0003955 NAD(P)H dehydrogenase (quinone) activity
GO:0005515 protein binding
GO:0008270 zinc ion binding
GO:0009055 electron transfer activity
GO:0016491 oxidoreductase activity
GO:0016661 oxidoreductase activity, acting on other nitrogenous compounds as donors
GO:0031404 chloride ion binding
GO:0042803 protein homodimerization activity
GO:0046872 metal ion binding
GO:0071949 FAD binding
GO:1904408 melatonin binding
GO:1905594 resveratrol binding
Biological Process
GO:1901662 quinone catabolic process
Cellular Component
GO:0005654 nucleoplasm
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0070062 extracellular exosome

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:3nhs, PDBe:3nhs, PDBj:3nhs
PDBsum3nhs
PubMed
UniProtP16083|NQO2_HUMAN Ribosyldihydronicotinamide dehydrogenase [quinone] (Gene Name=NQO2)

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