2.1.1.82: 3-methylquercetin 7-O-methyltransferase

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For detailed information about 3-methylquercetin 7-O-methyltransferase, go to the full flat file.

Word Map on EC 2.1.1.82

2.1.1.82

benzylisoquinoline

poppy

opium

norreticuline

a-ring

6-o-methyltransferase

papaver

papaverine

somniferum

isoflavonoids

4\'omt

flavanone

daidzein

7-o-methylation

7-hydroxyl

elicitor-induced

polymethylated

norcoclaurine

coptis

4\'-hydroxyl

sakuranetin

regio-specificity

s-reticuline

coclaurine

aporphine

antispasmodic

americanum

branch-point

formononetin

Reaction

Synonyms

7-O-methyltransferase, 7-OMT, flavone 7-O-methyltransferase, flavonoid O-methyltransferase, flavonol 7-O-methyltransferase, methyltransferase, flavonol 7-, MT7, NOMT, OsOMT7

ECTree

2 Transferases

2.1 Transferring one-carbon groups

2.1.1 Methyltransferases

2.1.1.82 3-methylquercetin 7-O-methyltransferase

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Results	in table
1	CAS Registry Number
3	Cloned(Commentary)
1	Cofactor
1	General Stability
8	Inhibitors
4	kcat/KM [mM/s]
6	KM Value [mM]
2	Molecular Weight [Da]
1	Natural Substrates/ Products (Substrates)
4	Organism
4	Pathway
1	pH Optimum
1	pH Range
3	Protein Variants
3	Purification (Commentary)
2	Reaction
1	Reaction Type
4	Reference
2	Source Tissue
1	Specific Activity [micromol/min/mg]
3	Storage Stability
9	Substrates and Products (Substrate)
1	Subunits
10	Synonyms
1	Systematic Name
4	Turnover Number [1/s]

Systematic Name

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Systematic Name on EC 2.1.1.82 - 3-methylquercetin 7-O-methyltransferase

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S-adenosyl-L-methionine:5,7,3',4'-tetrahydroxy-3-methoxyflavone 7-O-methyltransferase

Involved with EC 2.1.1.76 quercetin 3-O-methyltransferase and EC 2.1.1.83 3,7-dimethylquercetin 4'-O-methyltransferase in the methylation of quercetin to 3,7,4'-trimethylquercetin in Chrysosplenium americanum. Does not act on flavones, dihydroflavonols, or their glucosides.