Investigation of the subunit interactions in malate dehydrogenase.
نویسندگان
چکیده
منابع مشابه
Subunit Interactions in Mitochondrial Malate Dehydrogenase
The pH-dependent dissociation of porcine heart mitochondrial malate dehydrogenase (t-malate:NAD+ oxidoreductase, EC 1.1.1.37) has been more extensively characterized. "he native, dimeric form of the enzyme (Mr = 70,000) which exists at pH 7.5 has previously been shown to dissociate into its constituent subunits (Mr = 35,000) at pH 5.0 (Bleile, D. M., Schulz, R. A., Gregory, E. M., and Harrison,...
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15 صفحه اولRegulation of Mitochondrial Malate Dehydrogenase
The effect of citrate on the structure and function of porcine heart mitochondrial malate dehydrogenase (EC 1.1.1.37) has been characterized. The native dimeric form of this enzyme is specifically activated by citrate in the NAD’ -+ NADH direction and inhibited by citrate in the NADH -+ NAD’ direction. It is proposed that citrate is bound at a regulatory site that is distinct from the catalytic...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1977
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(17)32782-5