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Literature summary extracted from

  • Menard, R.; Storer, A.C.
    Papain (1998), Handbook of proteolytic enzymes (Barrett, A. J. , Rawlings, N. D. , Woessner, J. F. , eds. ) Academic Press, , 555-557.
No PubMed abstract available

General Stability

EC Number General Stability Organism
3.4.22.2 retains activity in 8 M urea Carica papaya

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.4.22.2 23429
-
 x * 23429, calculation from amino acid sequence Carica papaya

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.4.22.2 additional information Carica papaya the enzyme may play a protective role guarding the plant against attack by pests such as insects and fungi ?
-
 ?

Organism

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

Posttranslational Modification

EC Number Posttranslational Modification Comment Organism
3.4.22.2 no modification nonglycosylated enzyme Carica papaya
3.4.22.2 side-chain modification the enzyme is produced as an inactive precursor Carica papaya

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.4.22.2 fruit green unripe fruit Carica papaya
-
3.4.22.2 latex
-
 Carica papaya
-

Storage Stability

EC Number Storage Stability Organism
3.4.22.2 4°C, several months, most stable in a reversibly inactivated form, e.g. mercuripapain Carica papaya

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.4.22.2 additional information the enzyme may play a protective role guarding the plant against attack by pests such as insects and fungi Carica papaya ?
-
 ?

Subunits

EC Number Subunits Comment Organism
3.4.22.2 ? x * 23429, calculation from amino acid sequence Carica papaya

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.4.22.2 80
-
 stable up to Carica papaya

pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
3.4.22.2 4 10 stable Carica papaya