TRYPSINOGEN-KINASE IN ASPERGILLUS ORYZAE VI. ON ITS SUBSTRATE SPECIFICITY AS PROTEASE
- 25 January 1960
- journal article
- research article
- Published by Oxford University Press (OUP) in The Journal of Biochemistry
- Vol. 47 (1) , 16-23
- https://doi.org/10.1093/oxfordjournals.jbchem.a127035
Abstract
This fungal protease, capable of activating trypsinogen, possesses 3 types of specificity as carboxypeptidase A (substrate: substituted at N-terminal but neutral amino acid at C-terminal), carboxypeptidase B(substrate: substituted at N-terminal and solely basic amino acid at C-terminal) and dipeptidase(substrate: only leucylarginine and phenylalanylarginine so far as tested). Trypsin produced by activation with the fungal protease bears arginine as a sole C-terminal residue.Keywords
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