Pepsin

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pepsin A
1PSO.png
Pepsin in complex with
Identifiers
EC nummer 3.4.23.1
CAS nummer 9001-75-6
Databases
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB structurs RCSB PDB PDBe PDBsum
Gene Ontology AmiGO / QuickGO
pepsin B
Identifiers
EC nummer 3.4.23.2
CAS nummer 9025-48-3
Databases
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB structurs RCSB PDB PDBe PDBsum
pepsin C (gastricsin)
Identifiers
EC nummer 3.4.23.3
CAS nummer 9012-71-9
Databases
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB structurs RCSB PDB PDBe PDBsum

Pepsin is an enzyme whose zymogen (pepsinogen) is released bi the chief cells in the painch an that degrades fuid proteins intae peptides. It wis discovered in 1836 bi Theodor Schwann who an aa coined its name frae the Greek wird πέψις pepsis, meanin "digestion" (frae πέπτειν peptein "tae digest").[1][2][3][4]

References[eedit | eedit soorce]

  1. Florkin M (Mar 1957). "[Discovery of pepsin by Theodor Schwann]". Revue Médicale De Liège (in French). 12 (5): 139–44. PMID 13432398. 
  2. Asimov I (1980). "page 95". A short history of biology. Westport, Conn: Greenwood Press. ISBN 0-313-22583-4. 
  3. Harper, Douglas. "pepsin". Online Etymology Dictionary. 
  4. πέψις, πέπτειν. Liddell, Henry George; Scott, Robert; A Greek–English Lexicon at the Perseus Project.