Biology:Glycyl endopeptidase

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Glycyl endopeptidase
Identifiers
EC number3.4.22.25
CAS number149719-24-4
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum

Glycyl endopeptidase (EC 3.4.22.25, papaya peptidase B, papaya proteinase IV, glycine-specific proteinase, chymopapain, Papaya proteinase 4, PPIV, chymopapain M) is an enzyme.[1][2][3][4][5] This enzyme catalyses the following chemical reaction

Preferential cleavage: Gly-, in proteins and small molecule substrates

This enzyme is isolated from the papaya plant, Carica papaya.

References

  1. "Isolation of highly active papaya peptidases A and B from commercial chymopapain". Biochimica et Biophysica Acta (BBA) - Enzymology 658 (2): 262–9. April 1981. doi:10.1016/0005-2744(81)90296-5. PMID 7018581. 
  2. "Affinity purification of the novel cysteine proteinase papaya proteinase IV, and papain from papaya latex". The Biochemical Journal 261 (2): 469–76. July 1989. doi:10.1042/bj2610469. PMID 2505761. 
  3. "Papaya proteinase IV amino acid sequence". FEBS Letters 258 (1): 109–12. November 1989. doi:10.1016/0014-5793(89)81627-8. PMID 2591528. 
  4. "Selective cleavage of glycyl bonds by papaya proteinase IV". FEBS Letters 260 (2): 195–7. January 1990. doi:10.1016/0014-5793(90)80101-n. PMID 2404797. 
  5. "Interactions of papaya proteinase IV with inhibitors". FEBS Letters 262 (1): 58–60. March 1990. doi:10.1016/0014-5793(90)80153-a. PMID 1690669. 

External links