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Literature summary for 3.4.22.6 extracted from

  • Kunimitsu, D.K.; Yasunobu, K.T.
    Chymopapain B (1970), Methods Enzymol., 19, 244-252.
No PubMed abstract available

Activating Compound

Activating Compound Comment Organism Structure
2,3-Dimercaptopropanol maximal activity in presence of various reducing compounds, e.g. Cys, 2,3-dimercaptopropanol, thioglycolic acid, glutathione Carica papaya
Cys maximal activity in presence of various reducing compounds, e.g. Cys, 2,3-dimercaptopropanol, thioglycolic acid, glutathione Carica papaya
glutathione maximal activity in presence various reducing compounds, e.g. Cys, 2,3-dimercaptopropanol, thioglycolic acid, glutathione Carica papaya
thioglycolic acid maximal activity in presence of various reducing compounds, e.g. Cys, 2,3-dimercaptopropanol, thioglycolic acid, glutathione Carica papaya

Crystallization (Commentary)

Crystallization (Comment) Organism
-
Carica papaya

Inhibitors

Inhibitors Comment Organism Structure
Ag+
-
Carica papaya
Cu2+
-
Carica papaya
Hg2+
-
Carica papaya
PCMB
-
Carica papaya
Zn2+
-
Carica papaya

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
34500
-
chymopapain B, low speed sedimentation Carica papaya
36400
-
chymopapain A, low speed sedimentation Carica papaya

Organism

Organism UniProt Comment Textmining
Carica papaya
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Carica papaya

Specific Activity [micromol/min/mg]

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

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
benzoyl-L-argininamide + H2O
-
Carica papaya N-benzoyl-Arg + NH3
-
?
casein + H2O
-
Carica papaya ?
-
?
Hemoglobin + H2O
-
Carica papaya ?
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5.5 8 benzoyl-L-argininamide Carica papaya
7
-
hemoglobin digestion Carica papaya
7 9 casein digestion Carica papaya