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Literature summary extracted from

  • Ebata, M.; Yasunobu, K.T.
    Chymopapain. I. Isolation, crystallization, and preliminary characterization (1962), J. Biol. Chem., 237, 1086-1094.
    View publication on PubMed

Activating Compound

EC Number Activating Compound Comment Organism Structure
3.4.22.6 2,3-Dimercaptopropanol accelerates casein digestion Carica papaya
3.4.22.6 Cys accelerates casein digestion Carica papaya
3.4.22.6 glutathione accelerates casein digestion Carica papaya
3.4.22.6 NaN3 accelerates casein digestion Carica papaya

Crystallization (Commentary)

EC Number Crystallization (Comment) Organism
3.4.22.6
-
Carica papaya

Organism

EC Number Organism UniProt Comment Textmining
3.4.22.6 Carica papaya
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.4.22.6
-
Carica papaya

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.4.22.6 additional information
-
-
Carica papaya

Storage Stability

EC Number Storage Stability Organism
3.4.22.6 0°C, pH 2.0, stable Carica papaya

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.4.22.6 benzoyl-Gly amide + H2O weak activity Carica papaya benzoyl-Gly + NH3
-
?
3.4.22.6 carbobenzoxy-L-Glu-L-Tyr + H2O weak activity Carica papaya Carbobenzoxy-Glu + Tyr
-
?
3.4.22.6 casein + H2O
-
Carica papaya ?
-
?
3.4.22.6 L-Leu amide + H2O weak activity Carica papaya Leu + NH3
-
?
3.4.22.6 L-Leu-L-Tyr + H2O weak activity Carica papaya Leu + Tyr
-
?
3.4.22.6 N-acetyl-L-Phe-L-Tyr + H2O weak activity Carica papaya ?
-
?
3.4.22.6 N-benzoyl-L-Arg ethyl ester + H2O
-
Carica papaya N-benzoyl-Arg + ethanol
-
?

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.4.22.6 75
-
half-life at pH 2.1: 2 min, half-life at pH 7.2: 75 min Carica papaya

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.4.22.6 7.2
-
casein or hemoglobin digestion Carica papaya

pH Range

EC Number pH Minimum pH Maximum Comment Organism
3.4.22.6 6 9.8 about 65% of maximal activity at pH 6.0 and at pH 9.8 Carica papaya