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Pptidase activities in group N streptococci.

Authors
  • Sullivan, J J
  • Jago, G R
  • Mou, L
Type
Published Article
Journal
The Journal of dairy research
Publication Date
Feb 01, 1975
Volume
42
Issue
1
Pages
147–155
Identifiers
PMID: 235577
Source
Medline
License
Unknown

Abstract

Several peptidase activites in the 3 species of Group N streptococci were partly separated by gel filtration on Sephadex G-200. The peptidases identified were a general aminopeptidase of wide specificity, a tripeptidase, a proline iminopeptidase (prolyl-beta-napthylamidase), a proline iminodipeptidase and an aminopeptidase-P. The effects of temperature and pH on the stability of the enzyme activities, and the influence of the type of N source used in the growth medium on the elution pattern of the enzymes were examined.

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