EC |
2.1.1.75 |
Accepted name: |
apigenin 4′-O-methyltransferase |
Reaction: |
S-adenosyl-L-methionine + apigenin = S-adenosyl-L-homocysteine + acacetin |
Glossary: |
apigenin = 4′,5,7-trihydroxyflavone
acacetin = 4′-methoxy-5,7-dihydroxyflavone
naringenin = 4′,5,7-trihydroxyflavan-4-one |
Other name(s): |
flavonoid O-methyltransferase; flavonoid methyltransferase; S-adenosyl-L-methionine:5,7,4′-trihydroxyflavone 4′-O-methyltransferase |
Systematic name: |
S-adenosyl-L-methionine:apigenin 4′-O-methyltransferase |
Comments: |
Converts apigenin into acacetin. Naringenin can also act as an acceptor, but more slowly. |
References: |
1. |
Kuroki, G. and Poulton, J.E. The para-O-methylation of apigenin to acacetin by cell-free extracts of Robinia pseudoacacia L. Z. Naturforsch. C: Biosci. 36 (1981) 916–920. |
|
[EC 2.1.1.75 created 1984] |
|
|
|
|