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Literature summary extracted from

  • Elliott, S.D.; Liu, T.Y.
    Streptococcal proteinase (1970), Methods Enzymol., 19, 252-261.
No PubMed abstract available

Activating Compound

EC Number Activating Compound Comment Organism Structure
3.4.22.10 Reducing agent once the enzyme is activated by a reducing agent, the presence of the activator is no longer necessary for the catalytic activity Streptococcus sp.

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.4.22.10 iodoacetamide
-
 Streptococcus sp.
3.4.22.10 iodoacetic acid
-
 Streptococcus sp.
3.4.22.10 NEM
-
 Streptococcus sp.
3.4.22.10 Sodium tetrathionate
-
 Streptococcus sp.

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.4.22.10 32000
-
 ultracentrifugation Streptococcus sp.

Organism

EC Number Organism UniProt Comment Textmining
3.4.22.10 Streptococcus sp.
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.4.22.10
-
 Streptococcus sp.

Storage Stability

EC Number Storage Stability Organism
3.4.22.10 stored under nitrogen, 0.01 mM EDTA, 3-5% loss of activity per week Streptococcus sp.

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.4.22.10 insulin + H2O reduced carboxymethylated phenylalanine chain, one of the most rapidly hydrolyzed Phe-Tyr linkages is in the Phe-Phe-Tyr sequence Streptococcus sp. ?
-
 ?
3.4.22.10 Nalpha-benzyloxycarbonyl-Lys-Phe + H2O
-
 Streptococcus sp. ?
-
 ?
3.4.22.10 Nalpha-benzyloxycarbonyl-Phe-Tyr + H2O
-
 Streptococcus sp. ?
-
 ?