Leucylglycylglycine (DL-Leu-Gly-Gly) may be used to study the effects of branched-chain di- and tripeptides on cell envelope-associated proteinases (CEPs) activity. L-Leu-Gly-Gly may be used as a substrate to study the kinetics of tripeptide aminopeptidase (EC 3.4.11.4) and other peptidase(s) such as leucylglycylglycine aminopeptidase (EC 3.4.1.3).
Journal of pediatric gastroenterology and nutrition, 1(1), 111-117 (1982-01-01)
The development and distribution of peptidase activity in mucosal homogenates of rat small intestine has been investigated. Substrates used were glycyl-L-leucine (GL), L-seryl-L-methionine (SM), and L-leucyl-glycyl-glycine (LGG). During the first 2 weeks of life there was high peptidase activity toward
Journal of agricultural and food chemistry, 57(18), 8607-8611 (2009-09-17)
The cell-envelope-associated proteinase of Lactobacillus delbrueckii subsp. lactis CRL 581 (PrtL) has an essential role in bacterial growth and contributes to the development of the organoleptic properties of hard cheeses and to the release of bioactive health-beneficial peptides from milk
This is a method for measuring tripeptide aminopeptidase (EC 3.4.11.4) activity in serum. L- Leucylglycylglycine is used as substrate, and the reaction is followed by monitoring the absorbance increase at 340 nm when NAD+ is reduced to NADH in the
Applied and environmental microbiology, 74(12), 3682-3689 (2008-04-22)
The cell envelope-associated proteinases (CEPs) of the lactobacilli have key roles in bacterial nutrition and contribute to the development of the organoleptic properties of fermented milk products as well, as they can release bioactive health-beneficial peptides from milk proteins. The
An enzyme analysis of diploid and triploid Paragonimus westermani was conducted using starch gel electrophoresis. In total, 16 enzymes, probably encoded by 18 loci, were studied for 3 populations of the diploid form sampled from 2 localities, and 4 populations
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