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3-methylquercetin 7-O-methyltransferase

Index 3-methylquercetin 7-O-methyltransferase

In enzymology, a 3-methylquercetin 7-O-methyltransferase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and 5,7,3',4'-tetrahydroxy-3-methoxyflavone (isorhamnetin), whereas its two products are S-adenosylhomocysteine and 5,3',4'-trihydroxy-3,7-dimethoxyflavone (rhamnazin). [1]

11 relations: Catalysis, Chemical reaction, Enzyme, Isorhamnetin, List of enzymes, Product (chemistry), Rhamnazin, S-Adenosyl methionine, S-Adenosyl-L-homocysteine, Substrate (chemistry), Transferase.

Catalysis

Catalysis is the increase in the rate of a chemical reaction due to the participation of an additional substance called a catalysthttp://goldbook.iupac.org/C00876.html, which is not consumed in the catalyzed reaction and can continue to act repeatedly.

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Chemical reaction

A chemical reaction is a process that leads to the transformation of one set of chemical substances to another.

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Enzyme

Enzymes are macromolecular biological catalysts.

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Isorhamnetin

Isorhamnetin is an O-methylated flavon-ol from the class of flavonoids.

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List of enzymes

This page lists enzymes by their classification in the International Union of Biochemistry and Molecular Biology's Enzyme Commission numbering system.

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Product (chemistry)

Products are the species formed from chemical reactions.

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Rhamnazin

Rhamnazin is an ''O''-methylated flavonol, a type of chemical compound.

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S-Adenosyl methionine

S-Adenosyl methionineSAM-e, SAMe, SAM, S-Adenosyl-L-methionine, AdoMet, ademetionine is a common cosubstrate involved in methyl group transfers, transsulfuration, and aminopropylation.

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S-Adenosyl-L-homocysteine

S-Adenosyl-L-homocysteine (SAH) is an amino acid derivative used in several metabolic pathways in most organisms.

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Substrate (chemistry)

In chemistry, a substrate is typically the chemical species being observed in a chemical reaction, which reacts with a reagent to generate a product.

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Transferase

A transferase is any one of a class of enzymes that enact the transfer of specific functional groups (e.g. a methyl or glycosyl group) from one molecule (called the donor) to another (called the acceptor).

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Redirects here:

3-methylquercitin 7-O-methyltransferase, 7-O-methyltransferase, 7-OMT, EC 2.1.1.82, Flavonol 7-O-methyltransferase, S-adenosyl-L-methionine:3',4',5,7-tetrahydroxy-3-methoxyflavone, S-adenosyl-L-methionine:5,7,3',4'-tetrahydroxy-3-methoxyflavone 7-O-methyltransferase, S-adenozil-L-metionin:5,7,3',4'-tetrahydroxy-3-methoxyflavone 7-O-methyltransferase.

References

[1] https://en.wikipedia.org/wiki/3-methylquercetin_7-O-methyltransferase

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