EC |
2.1.1.154 |
Accepted name: |
isoliquiritigenin 2′-O-methyltransferase |
Reaction: |
S-adenosyl-L-methionine + isoliquiritigenin = S-adenosyl-L-homocysteine + 2′-O-methylisoliquiritigenin |
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For diagram of daidzein biosynthesis, click here |
Glossary: |
isoliquiritigenin = 4,2′,4′-trihydroxychalcone |
Other name(s): |
chalcone OMT; CHMT |
Systematic name: |
S-adenosyl-L-methionine:isoliquiritigenin 2′-O-methyltransferase |
Comments: |
Not identical to EC 2.1.1.65, licodione 2′-O-methyltransferase [2]. While EC 2.1.1.154, isoliquiritigenin 2′-O-methyltransferase can use licodione as a substrate, EC 2.1.1.65 cannot use isoliquiritigenin as a substrate. |
Links to other databases: |
BRENDA, EXPASY, KEGG, MetaCyc, PDB, CAS registry number: 139317-14-9 |
References: |
1. |
Maxwell, C.A., Edwards, R. and Dixon, R.A. Identification, purification, and characterization of S-adenosyl-L-methionine: isoliquiritigenin 2′-O-methyltransferase from alfalfa (Medicago sativa L.). Arch. Biochem. Biophys. 293 (1992) 158–166. [DOI] [PMID: 1731632] |
2. |
Ichimura, M., Furuno, T., Takahashi, T., Dixon, R.A. and Ayabe, S. Enzymic O-methylation of isoliquiritigenin and licodione in alfalfa and licorice cultures. Phytochemistry 44 (1997) 991–995. [DOI] [PMID: 9055445] |
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[EC 2.1.1.154 created 2004] |
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