QUE is found in 24 entries.

QUE as free ligands, exist in 24 entries. Examples include 1E8W 1GP6 1H1I

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View summary at Ligand Expo

Chemical Component Summary

Identifiers 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-chromen-4-one
Formula C15 H10 O7
Molecular Weight 302.236  g/mol
Isomeric SMILES Oc1cc(O)c2c(c1)oc(-c1ccc(O)c(O)c1)c(O)c2=O
InChI InChI=1S/C15H10O7/c16-7-4-10(19)12-11(5-7)22-15(14(21)13(12)20)6-1-2-8(17)9(18)3-6/h1-5,16-19,21H

Chemical Details

Formal Charge 0
Atom Count 32
Chiral Atom Count 0
Chiral Atoms n/a
Bond Count 34
Aromatic Bond Count 18
Leaving Atoms n/a

Drug Info: DrugBank

DrugBank ID DB04216   (Stereoisomeric match)
Name Quercetin
Groups experimental
Description A flavonol widely distributed in plants. It is an antioxidant, like many other phenolic heterocyclic compounds. Glycosylated forms include RUTIN and quercetrin. [PubChem]
Synonyms 3,5,7,3',4'-Pentahydroxyflavone
Mechanism of action Quercetin is a specific quinone reductase 2 (QR2) inhibitor, an enzyme (along with the human QR1 homolog) which catalyzes metabolism of toxic quinolines. Inhibition of QR2 in plasmodium may potentially cause lethal oxidative stress. The inhibition of antioxidant activity in plasmodium may contribute to killing the malaria causing parasites.
Categories Antioxidants
CAS number 117-39-5
Drug Info/Drug Targets: DrugBank 3.0: a comprehensive resource for 'omics' research on drugs. Knox C, Law V, Jewison T, Liu P, Ly S, Frolkis A, Pon A, Banco K, Mak C, Neveu V, Djoumbou Y, Eisner R, Guo AC, Wishart DS. Nucleic Acids Res. 2011 Jan; 39 (Database issue):D1035-41. | PMID: 21059682