3.4.21.B52: thermostable serine endopeptidase (Sulfolobus)
This is an abbreviated version!
For detailed information about thermostable serine endopeptidase (Sulfolobus), go to the full flat file.
Word Map on EC 3.4.21.B52
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3.4.21.B52
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proteinases
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sporothrix
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schenckii
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chymostatin
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azocasein
- 3.4.21.B52
- proteinases
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sporothrix
- schenckii
- chymostatin
- azocasein
Reaction
The best substrate is benzyloxycarbonyl-Tyr-4-nitroanilide. Cleaves Phe-Ser-Lys-Phe-Ile-/-Ser-Phe-Asp. No activity benzyloxycarbonyl-Ile-4-nitroanilide, aminoacyl-4-nitroanilides or benzyloxycarbonyl-amino acids, oxidized insulin chain A and B, bovine pancreas ribonuclease A, bovine serum albumin or ovalbumin. =
Synonyms
proteinase I
ECTree
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General Stability
General Stability on EC 3.4.21.B52 - thermostable serine endopeptidase (Sulfolobus)
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the enzyme is stable for 60 min in buffer containing 1 M NaCl at 50°C, it loses 96% of its activity after 60 min in 1 mM NaCl at 95°C
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the enzyme loses 54% of its activity after 60 min in buffer containing 2 mM dithiothreitol at 95°C
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