Synonym: Clostridiopeptidase A 
CAS Number: 9001-12-1 
Enzyme Commission (EC) Number: 3.4.24.3  ( BRENDA | IUBMB ) 
EC Number: 232-582-9 
MDL number: MFCD00130830 
Description
Analysis Note Also contains clostripain, nonspecific neutral protease, and tryptic activities. 
Linkage Similar to Type I, but produced by Sigma. 
Other Notes View more information on collagenase and cell dissociation at www.sigma-aldrich.com/enzymeexplorer. 
Preparation Note Equivalent to first 40% ammonium sulfate fraction of Mandl, I., et al., J. Clin. Invest., 32, 1323 (1953). 
Unit Definition One collagen digestion unit liberates peptides from collagen equivalent in ninhydrin color to 1.0 μmole of leucine in 5 hr at pH 7.4 at 37 °C in the presence of calcium ions.
One FALGPA hydrolysis unit hydrolyzes 1.0 μmole of furylacryloyl-Leu-Gly-Pro-Ala per min at pH 7.5 at 25 °C in the presence of calcium ions.
One neutral protease unit hydrolyzes casein to produce color equivalent to 1.0 μmole tyrosine per 5 hr at pH 7.5 at 37 °C.
One clostripain unit hydrolyzes 1.0 μmole of BAEE per min at pH 7.6 at 25 °C in the presence of DTT. 

性质
description For general use 
form essentially salt-free, lyophilized powder 
storage temp. 20°C 
安全性
Symbol GHS07, GHS08 
Signal word Danger 
Hazard statements H315-H319-H334-H335 
Precautionary statements P261-P305 + P351 + P338-P342 + P311 
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Faceshields, Gloves 
Hazard Codes Xn 
Risk Statements 36/37/38-42 
Safety Statements 22-24-26-36/37 
WGK Germany 1