3.4.21.48: cerevisin
This is an abbreviated version!
For detailed information about cerevisin, go to the full flat file.
Reaction
Hydrolysis of proteins with broad specificity, and of Bz-Arg-OEt Ac-Tyr-OEt. Does not hydrolyse peptide amides =
Synonyms
baker's yeast proteinase, baker's yeast proteinase B, brewer's yeast proteinase, EC 3.4.22.9, PRB1, Proteinase B, Proteinase YSCB, proteinase, yeast B, yeast proteinase B, yeast proteinase yscB
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Posttranslational Modification
Posttranslational Modification on EC 3.4.21.48 - cerevisin
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proteolytic modification
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the proteinase B precursor is glycosylated and proteolytically processed at least three times before mature enzyme is formed. The precursor is autocatalytically cleaved to yield the NH2 terminus and the COOH terminus of the mature enzyme. The pro region plays an essential role in the proteolytic processing of the enzyme
side-chain modification
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contains 8-9% neutral sugars and 1.5% amino sugars