S-腺苷-L-甲硫氨酸轉(zhuǎn)移酶
中文名稱： S-腺苷-L-甲硫氨酸轉(zhuǎn)移酶 
其他中文名稱： 兒茶酚氧位甲基轉(zhuǎn)移酶；兒茶酚-D-甲基轉(zhuǎn)移酶 
英文名稱： COMT 
其他英文名稱： Catechol-O-methyl Transferase from porcine liver；Pyrocatechol-O-methyl Transferase；S-Adenosyl-L-methionine:catechol O-methyltransferase 
產(chǎn)品規(guī)格： 層析純，150u/mg 
包裝： 150U 
CAS號：9012-25-3
級別：Chromatographically pure
S-腺苷-L-甲硫氨酸轉(zhuǎn)移酶活力：≥150units/mg protein
活力定義：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%
性狀：凍干粉末。
用途：生化研究。
S-腺苷-L-甲硫氨酸轉(zhuǎn)移酶保存：-20℃