胰凝乳蛋白酶原/Chymotrypsinogen A

 Description
Biochem/physiol Actions A serine protease that hydrolyzes peptide bonds with aromatic or large hydrophobic side chains （Tyr, Trp, Phe, Met） on the carboxyl end of the peptide bond.
Other Notes View more information on chymotrypsin at www.sigma-aldrich.com/enzymeexplorer
Preparation Note Derived from New Zealand-sourced pancreas.
Unit Definition One unit will hydrolyze 1.0 μmole of BTEE per min at pH 7.8 at 25 °C.

Properties
type Type II
form essentially salt-free, lyophilized powder
mol wt mol wt 25,656 Da by calculation
purified by 6× crystallization
foreign activity α-chymotrypsin ≤1 unit/mg （prior to activation by trypsin）
storage temp. −20°C

Safety
Personal Protective Equipment Eyeshields, Gloves, type N95 （US）, type P1 （EN143） respirator filter
Safety Statements 22-24/25
WGK Germany 3
 

• M0180磷酸烯醇式丙酮酸羧化酶/PEPC
• M0179葡萄糖脱氢酶/Glucose Dehydrogenase
• M0177单宁酶/鞣酸酶/丹宁酶/单宁酯酰水解酶/Tannase
• M0176植酸酶/肌醇六磷酸酶/Phytase from wheat
• M0174肠激酶/肠胨酶/肠蛋白酶/肠肽酶/肠激活酶/Enteropeptidase
• M0175亮氨酸氨基肽酶/亮氨酸氨肽酶/肽链外切酶/AP-M/LAP
• ACP酸性磷酸酶
• M0172α-甘油磷酸脱氢酶-磷酸丙糖异构酶/3-磷酸甘油脱氢酶-磷酸丙糖异构酶/GDH-TIM/GDH-TP
• M0171醛缩酶/丁醛醇酶/醇醛缩合酶/二磷酸果糖酶/丁酸醇酶/Aldolase from rabbit mu
• M0170蔗糖磷酸化酶/SP/Sucrose Phosphorylase