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pepsin A

Cat No.
EXWM-4250
Description
The predominant endopeptidase in the gastric juice of vertebrates, formed from pepsinogen A by limited proteolysis. Human pepsin A occurs in five molecular forms. Pig pepsin D is unphosphorylated pepsin A. Type example of peptidase family A1.
Form
Liquid or lyophilized powder
Enzyme Commission Number
CAS No.
9001-75-6
Storage
Store it at +4 ºC for short term. For long term storage, store it at -20 ºC~-80 ºC.
Synonyms
pepsin; lactated pepsin; pepsin fortior; fundus-pepsin; elixir lactate of pepsin; P I; lactated pepsin elixir; P II; pepsin R; pepsin D
Reaction
Preferential cleavage: hydrophobic, preferably aromatic, residues in P1 and P1' positions. Cleaves Phe1┼Val, Gln4┼His, Glu13┼Ala, Ala14┼Leu, Leu15┼Tyr, Tyr16┼Leu, Gly23┼Phe, Phe24┼Phe and Phe25┼Tyr bonds in the B chain of insulin
Notes
This item requires custom production and lead time is between 5-9 weeks. We can custom produce according to your specifications.
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