77161

Pepsin from porcine gastric mucosa

tested according to Ph. Eur.

• Synonym(s): Pepsini pulvis, Pepsin A, Pepsin from hog stomach
• CAS Number: 9001-75-6
• Enzyme Commission number: 3.4.23.1 (BRENDA, IUBMB)
• EC Number: 232-629-3
• MDL number: MFCD00081840
• eCl@ss: 42010127
• NACRES: NA.54

Properties

• Agency: USP/NF; tested according to Ph. Eur.
• form: powder
• mol wt: 35 kDa
• UniProt accession no.: P00791
• storage temp.: 2-8°C
• Gene Information: pig ... LOC396892(396892)

Description

Packaging

100 g

Application

Pepsin cleavage can be used to produce F(ab′)₂ fragments of antibodies. pepsin at www.sigma-aldrich.com/enzymeexplorer.

Biochem/physiol Actions

Preferential cleavage: hydrophobic and aromatic residues in P1 and P1′ postitions. Cleaves Phe-Val, Gln-His, Glu-Ala, Ala-Leu, Leu-Tyr, Tyr-Leu, Gly-Phe, Phe-Phe and Phe-Tyr bonds in the β chain of insulin

Analysis Note

Optimum pH is 2-4. Active in 4 M urea and 3 M guanidine HCl. Stable at 60 °C. Pepsin is irreversibly inactivated at pH 8.0 - 8.5.

Other Notes

Sales restrictions may apply

Safety Information

• Pictograms: GHS07,GHS08
• Signal Word: Danger
• Hazard Statements: H315 - H319 - H334 - H335
• Precautionary Statements: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves