Purification and characterization of coclaurine N-methyltransferase from cultured Coptis japonica cells
作者:Kum-Boo Choi、Takashi Morishige、Fumihiko Sato
DOI:10.1016/s0031-9422(00)00481-7
日期:2001.4
S-Adenosyl-L-methionine (SAM): coclaurine N-methyltransferase (CNMT), which catalyzes the transfer of a methyl group from S-adenosyl-L-methionine to the amino group of the tetrahydrobenzylisoquinoline alkaloid coclaurine. was purified 340-fold fromCoptisjaponicacells in 1% yield to give an almost homogeneous protein. The purified enzyme, which occurred as a homotetramer with a native Mr of 160 kDa
Methods of producing nor-opioid and nal-opioid benzylisoquinoline alkaloids
申请人:Antheia, Inc.
公开号:US10738335B2
公开(公告)日:2020-08-11
A method of demethylizing an opioid to a nor-opioid is provided. The method comprises contacting an opioid with at least one enzyme. Contacting the opioid with the at least one enzyme converts the opioid to a nor-opioid. A method of converting a nor-opioid to a nal-opioid is provided. The method comprises contacting a nor-opioid with at least one enzyme. Contacting the nor-opioid with the at least one enzyme converts the nor-opioid to a nal-opioid.
METHODS OF PRODUCING NOR-OPIOID AND NAL-OPIOID BENZYLISOQUINOLINE ALKALOIDS
申请人:Antheia, Inc.
公开号:US20190144900A1
公开(公告)日:2019-05-16
A method of demethylizing an opioid to a nor-opioid is provided. The method comprises contacting an opioid with at least one enzyme. Contacting the opioid with the at least one enzyme converts the opioid to a nor-opioid. A method of converting a nor-opioid to a nal-opioid is provided. The method comprises contacting a nor-opioid with at least one enzyme. Contacting the nor-opioid with the at least one enzyme converts the nor-opioid to a nal-opioid.