S-腺苷-L-甲硫氨酸转移酶/儿茶酚氧位甲基转移酶/儿茶酚-D-甲基转移酶/COMT

英文名称：COMT；Catechol-O-methyl Transferase from porcine liver；Pyrocatechol-O-methyl Transferase；S-Adenosyl-L-methionine:catechol O-methyltransferase

其他名称：儿茶酚氧位甲基转移酶；儿茶酚-D-甲基转移酶

级别：Chromatographically pure

活力：≥150units/mg protein

活力定义：One unit will produce 1.0 nanomole of total O-methylated products from 3,4 dihydroxyacetophenone per hour at pH 7.6 at 37℃C。Previous radioactive assay unit definition: One unit will catalyze the methylation of 1.0 nanomole of protocatechuic acid per hr at pH 7.9 at 37℃ using S-adenosyl-L-[methyl-¹⁴C]methionine as the methyl donor. (~6 radioactive units equal one new unit).

蛋白含量：～50%

性状：冻干粉末。

用途：生化研究。