Kvercetin 3-O-metiltransferaza

Kvercetin 3-O-metiltransferaza (EC 2.1.1.76, flavonolna 3-O-metiltransferaza, flavonoidna 3-metiltransferaza) je enzim sa sistematskim imenom S-adenozil-L-metionin:3,5,7,3',4'-pentahidroksiflavon 3-O-metiltransferaza.[1][2][3][4] Ovaj enzim katalizuje sledeću hemijsku reakciju

Kvercetin 3-O-metiltransferaza
Identifikatori
EC broj2.1.1.76
CAS broj81295-55-8
Baze podataka
IntEnzIntEnz pregled
BRENDABRENDA pristup
ExPASyNiceZyme pregled
KEGGKEGG pristup
MetaCycmetabolički put
PRIAMprofil
Strukture PBPRCSB PDB PDBe PDBj PDBsum
S-adenozil-L-metionin + 3,5,7,3',4'-pentahidroksiflavon S-adenozil-L-homocistein + 3-metoksi-5,7,3',4'-tetrahidroksiflavon

Ovaj enzim je specifičan za kvercetin.

Reference

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  1. ^ De Luca, V., Brunet, G., Khouri, H., Ibrahim, R. and Hrazdina, G. (1982). „Flavonol 3-O-methyltransferase in plant-tissues”. Z. Naturforsch. 37: 134—135. 
  2. ^ De Luca, V. & Ibrahim, R.K. (1985). „Enzymatic synthesis of polymethylated flavonols in Chrysosplenium americanum. I. Partial purification and some properties of S-adenosyl-L-methionine:flavonol 3-, 6-, 7-, and 4′-O-methyltransferases”. Arch. Biochem. Biophys. 238: 596—605. PMID 3994393. 
  3. ^ De Luca, V. & Ibrahim, R.K. (1985). „Enzymatic synthesis of polymethylated flavonols in Chrysosplenium americanum. II. Substrate interaction and product inhibition studies of flavonol 3-, 6-, and 4′-O-methyltransferases”. Arch. Biochem. Biophys. 238: 606—618. PMID 3994394. 
  4. ^ Ibrahim, R.K. & De Luca, V. (1982). „Polymethylated flavonol synthesis is catalyzed by distinct O-methyltransferases”. Naturwissenschaften. 69: 41—42. 

Literatura

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Spoljašnje veze

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