Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
S-adenosyl-L-methionine + 7,4'-dihydroxyisoflavone | Medicago sativa | i.e. daidzein, about 20% of the activity with 6,7,4'-trihydroxyisoflavone (i.e. glycitein). Key enzyme in the biosynthesis of the phytoalexin medicarpin in Medicago sativa | S-adenosyl-L-homocysteine + 4'-hydroxy-7-methoxyisoflavone | i.e. formononetin | ? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Medicago sativa | O24529 | - |
- |
Purification (Comment) | Organism |
---|---|
- |
Medicago sativa |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
callus | - |
Medicago sativa | - |
cell suspension culture | - |
Medicago sativa | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
50 | - |
pH 8.5, 30°C | Medicago sativa |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
additional information | no activity with apigenin (a flavone), naringenine (a falvanone) | Medicago sativa | ? | - |
? | |
S-adenosyl-L-methionine + 5,7,4'-trihydroxyisoflavone | i.e. genistein, about 7% of the activity with 6,7,4'-trihydroxyisoflavone (i.e. glycitein) | Medicago sativa | S-adenosyl-L-homocysteine + 5,4'-dihydroxy-7-methoxyisoflavone | - |
? | |
S-adenosyl-L-methionine + 6,7,4'-trihydroxyisoflavone | (i.e. glycitein) | Medicago sativa | S-adenosyl-L-homocysteine + 6,4'-dihydroxy-7-methoxyisoflavone | - |
? | |
S-adenosyl-L-methionine + 7,4'-dihydroxyisoflavone | i.e. daidzein, about 20% of the activity with 6,7,4'-trihydroxyisoflavone (i.e. glycitein). Key enzyme in the biosynthesis of the phytoalexin medicarpin in Medicago sativa | Medicago sativa | S-adenosyl-L-homocysteine + 4'-hydroxy-7-methoxyisoflavone | i.e. formononetin | ? | |
S-adenosyl-L-methionine + 7,4'-dihydroxyisoflavone | i.e. daidzein, about 20% of the activity with 6,7,4'-trihydroxyisoflavone (i.e. glycitein) | Medicago sativa | S-adenosyl-L-homocysteine + 4'-hydroxy-7-methoxyisoflavone | i.e. formononetin | ? |
Synonyms | Comment | Organism |
---|---|---|
8-IOMT | - |
Medicago sativa |
isoflavone O-methyltransferase | - |
Medicago sativa |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
30 | - |
assay at | Medicago sativa |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
8.5 | - |
glycine-NaOH buffer | Medicago sativa |