Inactive Enzyme Molecules in Aging Mice: Liver Aldolase
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چکیده
منابع مشابه
Inactive enzyme molecules in aging mice: liver aldolase.
Evidence is presented that there is a considerable accumulation of inactive fructose-1,6-diphosphate aldolase (EC 4.1.2.7) in the liver of senescent mice. Liver aldolase was purified from 3-month-old mice and used to immunize rabbits. It was demonstrated with the monospecific antibody thus produced that the liver aldolase of young adult (3 month) and aged (31 month) mice are antigenically ident...
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متن کاملThe carboxyl-terminal structure of rabbit liver aldolase (aldolase B).
The amino acid residues in the carboxyl-terminal region of fructose diphosphate aldolase isolated from fresh rabbit liver are -(Gly,Phe,Leu,Ala,Thr2,Ser2)-Tyr. This differs from the carboxyl-terminal structure in aldolase isolated from tissue which had been frozen and thawed. Amino acid analyses, ultracentrifugation, and digestion with carboxypeptidase suggest that the difference is the result ...
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Activity of L-threonine aldolase in rat liver cytosolic extract was not affected by the omission of alcohol dehydrogenase in a previously established NADPH-linked alcohol dehydrogenase-coupled assay. The liver extract was able to catalyse the dehydrogenation of NADPH with either acetaldehyde (a product of L-threonine aldolase action) or 2-oxobutyrate (a product of L-threonine dehydratase action...
متن کاملDeoxyribose Phosphate Aldolase from Rat Liver.
The activity and properties of deoxyribose phosphate aldolase from Escherichia coli and Lactobacillus plantarum have been described in detail by Racker (1) and Pricer and Horecker (2). The enzyme from E. coli was shown to be active at pH values between 6.0 and 8.0 in tris(hydroxymethyl)aminomethane and phosphate buffers without exhibiting a sharp optimum (1). The enzyme from L. plunturum was sh...
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ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 1973
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.70.3.909