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Literature summary for 2.1.1.140 extracted from

  • Ikezawa, N.; Iwasa, K.; Sato, F.
    Molecular cloning and characterization of CYP80G2, a cytochrome P450 that catalyzes an intramolecular C-C phenol coupling of (S)-reticuline in magnoflorine biosynthesis, from cultured Coptis japonica cells (2008), J. Biol. Chem., 283, 8810-8821.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expressed in Escherichia coli, recombinant CNMT protein Coptis japonica

Organism

Organism UniProt Comment Textmining
Coptis japonica
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
cell culture
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Coptis japonica
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
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(S)-corytuberine conversion to magnoflorine shown by crude enzyme preparation of recombinant CNMT protein, magnoflorine biosynthesis by CYP80G2 protein and CjCNMT via (S)-corytuberine as an intermediate in vivo, CjCNMT protein catalyzes the crucial N-methylation step from (S)-coclaurine to (S)-N-methylcoclaurine in (S)-reticuline biosynthesis Coptis japonica

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information involvement in magnoflorine biosynthesis determined, crude enzyme preparation of recombinant CNMT protein analyzed, recombinant CjCNMT protein shown to convert (S)-corytuberine to magnoflorine Coptis japonica ?
-
?

Synonyms

Synonyms Comment Organism
CjCNMT
-
Coptis japonica
CNMT protein
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Coptis japonica