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Pepsin A MeSH Descriptor Data 2024


MeSH Heading
Pepsin A
Tree Number(s)
D08.811.277.656.074.500.700
D08.811.277.656.300.048.700
Unique ID
D010434
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D010434
Annotation
/biosyn /‌physiol permitted
Scope Note
Formed from pig pepsinogen by cleavage of one peptide bond. The enzyme is a single polypeptide chain and is inhibited by methyl 2-diaazoacetamidohexanoate. It cleaves peptides preferentially at the carbonyl linkages of phenylalanine or leucine and acts as the principal digestive enzyme of gastric juice.
Entry Term(s)
Pepsin
Pepsin 1
Pepsin 3
Pharm Action
Gastrointestinal Agents
Registry Numbers
EC 3.4.23.1
0
Related Numbers
9001-75-6
NLM Classification #
QV 66
Public MeSH Note
91; was PEPSIN 1964-90
Online Note
use PEPSIN A to search PEPSIN 1966-90
History Note
91; was PEPSIN 1964-90
Date Established
1991/01/01
Date of Entry
1999/01/01
Revision Date
2009/07/06
Pepsin A Preferred
Pepsin 1 Narrower
Pepsin 3 Narrower
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