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Literature summary extracted from

  • Ichimura, M.; Furuno, T.; Takahashi, T.; Dixon, R.A.; Ayabe, S.
    Enzymic O-methylation of isoliquiritigenin and licodione in alfalfa and licorice cultures (1997), Phytochemistry, 44, 991-995.
    View publication on PubMed

Activating Compound

EC Number Activating Compound Comment Organism Structure
2.1.1.65 additional information treatment with yeast extracts increases activity with the maximum at 24 h Medicago sativa
2.1.1.65 additional information treatment with yeast extracts increases activity with the maximum at 16 to 24 h Glycyrrhiza echinata

Cloned(Commentary)

EC Number Cloned (Comment) Organism
2.1.1.65 expressed in Escherichia coli Medicago sativa
2.1.1.154 expression in Escherichia coli Medicago sativa

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2.1.1.65 S-adenosyl-L-methionine + licodione Medicago sativa biosynthesis pathway S-adenosyl-L-homocysteine + 2'-O-methyllicodione
-
 ?
2.1.1.65 S-adenosyl-L-methionine + licodione Glycyrrhiza echinata biosynthesis pathway S-adenosyl-L-homocysteine + 2'-O-methyllicodione
-
 ?
2.1.1.65 S-adenosyl-L-methionine + licodione Medicago sativa involved in retrochalcone echinatin biosynthesis, selective induction in response to stress S-adenosyl-L-homocysteine + 2'-O-methyllicodione
-
 ?
2.1.1.65 S-adenosyl-L-methionine + licodione Glycyrrhiza echinata involved in retrochalcone echinatin biosynthesis, selective induction in response to stress S-adenosyl-L-homocysteine + 2'-O-methyllicodione
-
 ?
2.1.1.154 S-adenosyl-L-methionine + isoliquiritigenin Medicago sativa the product of the reaction, 2'-O-methylisoliquiritigenin, is the most potent inducer of nodulation genes of Rhizobium meliloti, the symbiont of Medicago sativa which forms nitrogen-fixing nodules S-adenosyl-L-homocysteine + 2'-O-methylisoliquiritigenin
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
2.1.1.65 Glycyrrhiza echinata
-
-
-
2.1.1.65 Medicago sativa
-
-
-
2.1.1.154 Medicago sativa
-
-
-
2.1.1.154 no activity in Glycyrrhiza echinata
-
-
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.1.1.65 cell culture
-
 Medicago sativa
-
2.1.1.65 cell culture
-
 Glycyrrhiza echinata
-
2.1.1.65 root
-
 Medicago sativa
-
2.1.1.65 shoot
-
 Medicago sativa
-
2.1.1.154 cell culture rapid and transient increase in extractable activities after treatment with yeast extract Medicago sativa
-
2.1.1.154 root of seedlings Medicago sativa
-
2.1.1.154 seedling root, not in shoot Medicago sativa
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.1.1.65 S-adenosyl-L-methionine + licodione i.e. 1-(2,4-dihydroxyphenyl)-3-(4-hydroxyphenyl)-1,3-propanedione Medicago sativa S-adenosyl-L-homocysteine + 2'-O-methyllicodione
-
 ?
2.1.1.65 S-adenosyl-L-methionine + licodione i.e. 1-(2,4-dihydroxyphenyl)-3-(4-hydroxyphenyl)-1,3-propanedione Glycyrrhiza echinata S-adenosyl-L-homocysteine + 2'-O-methyllicodione
-
 ?
2.1.1.65 S-adenosyl-L-methionine + licodione hydroxy-group ortho to C3-linkage in licodione is methylated Medicago sativa S-adenosyl-L-homocysteine + 2'-O-methyllicodione
-
 ?
2.1.1.65 S-adenosyl-L-methionine + licodione hydroxy-group ortho to C3-linkage in licodione is methylated Glycyrrhiza echinata S-adenosyl-L-homocysteine + 2'-O-methyllicodione
-
 ?
2.1.1.65 S-adenosyl-L-methionine + licodione biosynthesis pathway Medicago sativa S-adenosyl-L-homocysteine + 2'-O-methyllicodione
-
 ?
2.1.1.65 S-adenosyl-L-methionine + licodione biosynthesis pathway Glycyrrhiza echinata S-adenosyl-L-homocysteine + 2'-O-methyllicodione
-
 ?
2.1.1.65 S-adenosyl-L-methionine + licodione involved in retrochalcone echinatin biosynthesis, selective induction in response to stress Medicago sativa S-adenosyl-L-homocysteine + 2'-O-methyllicodione
-
 ?
2.1.1.65 S-adenosyl-L-methionine + licodione involved in retrochalcone echinatin biosynthesis, selective induction in response to stress Glycyrrhiza echinata S-adenosyl-L-homocysteine + 2'-O-methyllicodione
-
 ?
2.1.1.154 S-adenosyl-L-methionine + isoliquiritigenin
-
 Medicago sativa S-adenosyl-L-homocysteine + 2'-O-methylisoliquiritigenin
-
 ?
2.1.1.154 S-adenosyl-L-methionine + isoliquiritigenin the product of the reaction, 2'-O-methylisoliquiritigenin, is the most potent inducer of nodulation genes of Rhizobium meliloti, the symbiont of Medicago sativa which forms nitrogen-fixing nodules Medicago sativa S-adenosyl-L-homocysteine + 2'-O-methylisoliquiritigenin
-
 ?

Synonyms

EC Number Synonyms Comment Organism
2.1.1.154 CHMT
-
 Medicago sativa

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
2.1.1.65 8
-
-
 Medicago sativa
2.1.1.65 8
-
-
 Glycyrrhiza echinata