Reference on EC 2.1.1.122 - (S)-tetrahydroprotoberberine N-methyltransferase

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O'Keefe, B.R.; Beecher, C.W.W.

Isolation and characterization of S-adenosyl-L-methionine:tetrahydroberberibe-cis-N-methyltransferase from suspension cultures of Sanguinaria canadensis L.

Plant Physiol.

105

395-403

1994

Sanguinaria canadensis

12232209

15206

Rueffer, M.; Zumstein, G.; Zenk, M.H.

Partial purification and properties of S-adenosyl-L-methionine:(S)-tetrahydroprotoberberine-cis-N-methyltransferase from suspension-cultured cells of Eschscholtzia and Corydalis

Phytochemistry

3727-3733

1990

Corydalis vaginans, Eschscholzia californica

15207

Rueffer, M.; Zenk, M.H.

S-Adenosyl-L-methionine: (S)-7,8,13,14-tetrahydroberberine-cis-N-methyltransferase, a branch point enzyme in the biosynthesis of benzophenanthridine and protopine alkaloids

Tetrahedron Lett.

5603-5604

1986

Berberis stenophylla, Corydalis vaginans, Lamprocapnos spectabilis, Fumaria officinalis, Papaver somniferum

674802

Liscombe, D.K.; Facchini, P.J.

Molecular cloning and characterization of tetrahydroprotoberberine cis-N-methyltransferase, an enzyme involved in alkaloid biosynthesis in opium poppy

J. Biol. Chem.

282

14741-14751

2007

Chelidonium majus, Eschscholzia californica, no activity in Nicotiana tabacum, Papaver bracteatum, Papaver somniferum, Papaver somniferum (Q108P1), Sanguinaria canadensis, Thalictrum flavum, Argemone mexicana, no activity in Nandina domestica, no activity in Tinospora cordifolia

17389594