Pepsin A

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Pepsin A
Pepsin + inhibitor (l.blue), Human
Identifiers
EC no.3.4.23.1
CAS no.9001-75-6
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum
Search
PMCarticles
PubMedarticles
NCBIproteins

Pepsin A (EC 3.4.23.1, pepsin, lactated pepsin, pepsin fortior, fundus-pepsin, elixir lactate of pepsin, P I, lactated pepsin elixir, P II, pepsin R, pepsin D) is an enzyme.[1][2][3][4][5][6][7] This enzyme catalyses the following chemical 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

The enzyme is a predominant endopeptidase in the gastric juice of vertebrates.

See also

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References

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