Author:
Senior Dave J.,Tsai C. Stan
Abstract
Aldehyde dehydrogenase possessing an esterolytic activity has been purified to homogeneity from rat liver mitochondria. Steady-state kinetic studies suggest that the esterolytic reaction follows an ordered uni-bi mechanism. The formation of an acyl enzyme intermediate via nucleophilic catalysis during the esterase reaction is established kinetically using a series of substrates with varying acyl carbon chains and substituted phenyl octanoates with varying electronic effects. The enzyme was reconstituted into phospholipid vesicles. A significant increase in binding capacity is observed when the enzyme is encapsulated into liposomes containing 4% diphosphatidylglycerol.Key words: aldehyde dehydrogenase, esterase activity.
Publisher
Canadian Science Publishing
Subject
Cell Biology,Molecular Biology,Biochemistry
Cited by
7 articles.
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