2.1.1.153: vitexin 2''-O-rhamnoside 7-O-methyltransferase

This is an abbreviated version!
For detailed information about vitexin 2''-O-rhamnoside 7-O-methyltransferase, go to the full flat file.

Reaction

Synonyms

AdoMet:vitexin 2''-O-rhamnoside 7-O-methyltransferase, FMT, methyltransferase, vitexin 2''-O-rhamnoside 7-O-, S-adenosyl-L-methionine:vitexin 2''-O-rhamnoside 7-O-methyltransferase

ECTree

     2 Transferases

         2.1 Transferring one-carbon groups

             2.1.1 Methyltransferases

                2.1.1.153 vitexin 2''-O-rhamnoside 7-O-methyltransferase

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Results	in table
1	CAS Registry Number
1	General Stability
5	Inhibitors
1	Ki Value [mM]
3	KM Value [mM]
2	Metals/Ions
1	Molecular Weight [Da]
2	Natural Substrates/ Products (Substrates)
2	Organism
2	Pathway
1	pH Optimum
1	pH Range
1	Purification (Commentary)
2	Reaction
1	Reaction Type
2	Reference
3	Source Tissue
1	Specific Activity [micromol/min/mg]
1	Storage Stability
6	Substrates and Products (Substrate)
4	Synonyms
1	Systematic Name
2	Temperature Optimum [°C]

Substrates Products

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Substrates Products on EC 2.1.1.153 - vitexin 2''-O-rhamnoside 7-O-methyltransferase

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SUBSTRATE

PRODUCT                       

REACTION DIAGRAM

ORGANISM

UNIPROT

COMMENTARY
(Substrate)

LITERATURE
(Substrate)

COMMENTARY
(Product)

LITERATURE
(Product)

Reversibility
r=reversible
ir=irreversible
?=not specified

S-adenosyl-L-methionine + apigenin

S-adenosyl-L-homocysteine + 7-O-methylapigenin

Avena sativa

-

5-10% of the rate with vitexin 2’’-O-rhamnoside as substrate

655395

-

-

?

S-adenosyl-L-methionine + vitexin 2''-O-beta-L-rhamnoside

S-adenosyl-L-homocysteine + 7-O-methylvitexin 2''-O-beta-L-rhamnoside

4 entries

additional information

?

-

Avena sativa

-

not: caffeic acid, naringenin, vitexin, isovitexin 2’’-O-arabinoside

655395

-

-

?

S-adenosyl-L-methionine + vitexin 2''-O-beta-L-rhamnoside

S-adenosyl-L-homocysteine + 7-O-methylvitexin 2''-O-beta-L-rhamnoside

Avena sativa

-

flavonoid biosynthesis, final enzyme of the vitexin branch of the pathway

657118

-

-

?

S-adenosyl-L-methionine + vitexin 2''-O-beta-L-rhamnoside

S-adenosyl-L-homocysteine + 7-O-methylvitexin 2''-O-beta-L-rhamnoside

Avena sativa

-

last step in the biosynthetic pathway to the flavonoid 7-O-methylvitexin 2’’-O-rhamnoside

655395

-

-

?

S-adenosyl-L-methionine + vitexin 2''-O-beta-L-rhamnoside

S-adenosyl-L-homocysteine + 7-O-methylvitexin 2''-O-beta-L-rhamnoside

Avena sativa

-

catalyzes the transfer of the methyl group of S-adenosyl-L-methionine to the A-ring 7-hydroxyl group of vitexin 2’’-O-rhamnoside, very high substrate specificity, mono-iso Theorell-Chance mechanism with the nucleotide substrate binding before the flavonoid

655395

-

-

?

S-adenosyl-L-methionine + vitexin 2''-O-beta-L-rhamnoside

S-adenosyl-L-homocysteine + 7-O-methylvitexin 2''-O-beta-L-rhamnoside

Avena sativa

-

FMT specifically catalyzes the transfer of a methyl group to the 7-hydroxyl group of vitexin 2’’-O-rhamnoside

657118

-

-

?