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Literature summary extracted from

  • Buttle, D.J.; Kembhavi, A.A.; Sharp, S.L.; Shute, R.E.; Rich, D.H.; Barrett, A.J.
    Affinity purification of the novel cysteine proteinase papaya proteinase IV, and papain from papaya latex (1989), Biochem. J., 261, 469-476.
    View publication on PubMedView publication on EuropePMC

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.4.22.25 L-3-carboxy-2,3-epoxypropionylleucylamido(4-guanidino)butane
-
 Carica papaya
3.4.22.25 additional information not: chicken cystatin Carica papaya

Organism

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

Purification (Commentary)

EC Number Purification (Comment) Organism
3.4.22.25
-
 Carica papaya

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.4.22.25 latex
-
 Carica papaya
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.4.22.25 azocasein + H2O 10% of the activity of papain Carica papaya trichloroacetic acid-soluble peptides from azocasein
-
 ?
3.4.22.25 casein + H2O 10% of the activity of papain Carica papaya trichloroacetic acid-soluble peptides derived from casein
-
 ?
3.4.22.25 Hemoglobin + H2O
-
 Carica papaya Trichloroacetic acid-soluble peptides from haemoglobin
-
 ?
3.4.22.25 hide powder azure + H2O
-
 Carica papaya ?
-
 ?
3.4.22.25 additional information synthetic substrates of other papaya proteinases Carica papaya ?
-
 ?

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.4.22.25 7
-
 azocasein Carica papaya