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Streptopain
Enzyme found in Streptococcus From Wikipedia, the free encyclopedia
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Streptopain, also known as streptococcal pyrogenic exotoxin B (SpeB) is a streptococcal cysteine protease.[1][2][3][4] Other names include Streptococcus peptidase A, Streptococcus protease, and streptococcal cysteine proteinase. Streptopain catalyses the following chemical reaction
- Preferential cleavage with hydrophobic residues at P2, P1 and P1'
It is isolated from the group A bacterium Streptococcus pyogenes and acts as a virulence factor.
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