胃蛋白酶，猪胃粘膜

3.4.23.1 ( BRENDA | IUBMB )

MFCD00081840

Native pepsin from porcine stomach mucosa. Secreted by the mucosal lining of the stomach. Active under acidic conditions. Catalyzes the hydrolysis of aminoacyl-proline to an amino acid and proline. Inhibitors include aliphatic alcohols, pepstatin A, and pH >6.0.
Native pepsin from porcine stomach mucosa. Active under acidic conditions. Catalyzes the hydrolysis of aminoacyl-proline to an amino acid and proline. Inhibitors include aliphatic alcohols, pepstatin A, and pH >6.0. Has an optimal pH of 2.0-4.0.

Toxicity: Harmful (C)

One unit is defined as the amount of enzyme that will digest hemoglobin substrates to TCA-soluble products, measured as a change in absorbance at 280 nm of 0.001 per min at 37°C, pH 2.0.

Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 6 months at -20°C.

Bergmeyer, H.V. 1984. Methods of Enzymatic Analysis (3rd ed., vol. 5) p. 232, Academic Press, New York.

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

100

lyophilized

≥2000 units/mg protein

Calbiochem^®

OK to freeze
desiccated

10 mM HCl: 0.5 mg/mL

ambient

−20℃

500 mg in Plastic ampoule
2 g in Plastic ampoule

GHS07,GHS08

Danger

H315 - H319 - H334 - H335

P261 - P264 - P271 - P302 + P352 - P304 + P340 + P312 - P305 + P351 + P338

Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - STOT SE 3

Respiratory system

11 - Combustible Solids

WGK 1