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3.4.22.2: papain

This is an abbreviated version!
For detailed information about papain, go to the full flat file.

Word Map on EC 3.4.22.2

Reaction

Hydrolysis of proteins with broad specificity for peptide bonds, but preference for an amino acid bearing a large hydrophobic side chain at the P2 position. Does not accept Val in P1' =

Synonyms

Adolph's Meat Tenderizer, arbuz, CpXCP5, EC 3.4.4.10, enzeco papain, papain, papain-like cysteine protease, papain-like protease, papaine, papaya peptidase I, papaya proteinase 1, Papaya proteinase I, papayotin, PLCP, PLpro, PPI, summetrin, velardon

ECTree

     3 Hydrolases
         3.4 Acting on peptide bonds (peptidases)
             3.4.22 Cysteine endopeptidases
                3.4.22.2 papain

Natural Substrates Products

Natural Substrates Products on EC 3.4.22.2 - papain

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NATURAL SUBSTRATE
NATURAL PRODUCT
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
REVERSIBILITY
r=reversible
ir=irreversible
?=not specified
casein + H2O
?
show the reaction diagram
-
-
-
?
chitosan + H2O
low-molecular mass chitosan + chito-oligomeric-monomeric mixture
show the reaction diagram
-
depolymerization, the enzyme inhibits the growth of bacteria such as Bacillus cereus strain F4810, Bacillus licheniformis, and Escherichia coli strain D21, mechanism of bactericidal action of the chito-oligomeric-monomeric mixture, overview
-
-
?
tarocystatin + H2O
?
show the reaction diagram
the C-terminal cystatin-like extension of tarocystatin is easily digested by papain
-
-
?
additional information
?
-