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Literature summary for 3.4.22.2 extracted from

  • Kilara, A.; Shahani, K.M.; Wagner, F.W.
    Preparation and properties of immobilized papain and lipase (1977), Biotechnol. Bioeng., 14, 1703-1714.
No PubMed abstract available

General Stability

General Stability Organism
immobilized enzyme does not lose any activity after tereatment with 6 M urea for 270 min, soluble papain loses 81% of its activity after urea treatment Carica papaya
immobilized enzyme is stable at 4°C and pH 7.5 for up to 8 months, the soluble enzyme loses activity within 96 h Carica papaya

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0519
-
Nalpha-benzoyl-L-Arg ethyl ester
-
Carica papaya
0.0681
-
Nalpha-benzoyl-L-Arg ethyl ester
-
Carica papaya

Organism

Organism UniProt Comment Textmining
Carica papaya
-
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
casein + H2O
-
Carica papaya ?
-
?
Nalpha-Benzoyl-L-Arg ethyl ester + H2O
-
Carica papaya ?
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
60
-
hydrolysis of casein, soluble and immobilized enzyme Carica papaya
65
-
hydrolysis of alpha-N-benzoyl-L-Arg ethyl ester, soluble enzyme Carica papaya
75
-
hydrolysis of alpha-N-benzoyl-L-Arg ethyl ester, immobilized enzyme Carica papaya

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
additional information
-
-
Carica papaya

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.5
-
hydrolysis of casein, soluble enzyme Carica papaya
7
-
hydrolysis of casein, immobilized enzyme Carica papaya
7.2
-
hydrolysis of alpha-N-benzoyl-L-Arg ethyl ester, soluble enzyme Carica papaya
7.5
-
optimal storage stability for the soluble and immobilize enzyme at 5°C Carica papaya
8.2
-
hydrolysis of alpha-N-benzoyl-L-Arg ethyl ester, immobilized enzyme Carica papaya