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2.1.1.68: caffeate O-methyltransferase

This is an abbreviated version!
For detailed information about caffeate O-methyltransferase, go to the full flat file.

Word Map on EC 2.1.1.68

Reaction

S-adenosyl-L-methionine
+
3,4-dihydroxy-trans-cinnamate
=
S-adenosyl-L-homocysteine
+
3-methoxy-4-hydroxy-trans-cinnamate

Synonyms

3,4-dihydroxybenzaldehyde-O-methyltransferase, AtCOMT1, AtOMT1, benzenoid/phenylpropanoid meta/para-O-methyltransferase, Bmr12, Bradi3g16530, brown midrib 12, caffeate 3-O-methyltransferase, caffeate methyltransferase, caffeate/5-hydroxyferulate 3/5-O-methyltransferase, caffeic acid 3-O-methyltransferase, caffeic acid O-methyl-transferase, caffeic acid O-methyltransferase, caffeic acid O-methyltransferase 1, caffeic acid/5-hydroxyferulic acid 3/5-O-methyltransferase, caffeic O-methyl transferase, CCOMT, COMT, COMT-3D, COMT1, COMT2, COMT4, COMT6, DOMT, FGCOMT1, Lp OMT1, O-methyltransferase, O-methytransferase, OMT, OMT1, OMT3, OsCOMT1, RsOMT1, RsOMT3, S-adenosyl-L-methionine:caffeic acid-O-methyltransferase, Sb07g003860, Van OMT-2, Van OMT-3

ECTree

     2 Transferases
         2.1 Transferring one-carbon groups
             2.1.1 Methyltransferases
                2.1.1.68 caffeate O-methyltransferase

Natural Substrates Products

Natural Substrates Products on EC 2.1.1.68 - caffeate O-methyltransferase

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NATURAL SUBSTRATE
NATURAL PRODUCT
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
REVERSIBILITY
r=reversible
ir=irreversible
?=not specified
S-adenosyl-L-methionine + 3,4,5-trihydroxycinnamic acid
S-adenosyl-L-homocysteine + 4,5-dihydroxy-3-methoxycinnamic acid
show the reaction diagram
-
key lignin biosynthetic enzyme. Down-regulated transgenic plants show substantially reduced levels of transcripts, significantly reduced enzymatic activities, significantly decreased lignin content, apparently altered lignin composition and significantly increased digestibility
-
-
?
S-adenosyl-L-methionine + 3,4-dihydroxy-trans-cinnamate
S-adenosyl-L-homocysteine + 3-methoxy-4-hydroxy-trans-cinnamate
show the reaction diagram
S-adenosyl-L-methionine + 3,4-dihydroxybenzaldehyde
S-adenosyl-L-homocysteine + vanillin
show the reaction diagram
3,4-dihydroxybenzaldehyde is not the preferred substrate
i.e. 4-hydroxy-3-methoxybenzaldehyde
-
?
S-adenosyl-L-methionine + 5-hydroxyferulic acid
S-adenosyl-L-homocysteine + sinapic acid
show the reaction diagram
-
-
-
-
?
S-adenosyl-L-methionine + caffeic acid
S-adenosyl-L-homocysteine + ferulic acid
show the reaction diagram
S-adenosyl-L-methionine + caffeoyl alcohol
?
show the reaction diagram
-
alternative pathway to monolignols involving methylation of caffeoyl aldehyde and/or caffeoyl alcohol
-
-
?
S-adenosyl-L-methionine + caffeoyl aldehyde
?
show the reaction diagram
-
alternative pathway to monolignols involving methylation of caffeoyl aldehyde and/or caffeoyl alcohol
-
-
?
S-adenosyl-L-methionine + N-acetylserotonin
S-adenosyl-L-homocysteine + melatonin
show the reaction diagram
-
-
-
-
?
S-adenosyl-L-methionine + quercetin
S-adenosyl-L-homocysteine + isorhamnetin
show the reaction diagram
-
-
-
-
?
S-adenosyl-L-methionine + serotonin
S-adenosyl-L-homocysteine + 5-methoxytryptamine
show the reaction diagram
-
-
-
-
?
additional information
?
-