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2-oxoglutarate dehydrogenase complex from bovine-adrenal-cortex mitochondria. Purification and partial characterization. 1981

S A Strumilo, and N I Taranda, and S B Senkevich, and V V Vinogradov

The 2-oxoglutarate dehydrogenase complex from bovine adrenal-cortex mitochondria has been purified by polyethylene glycol fractionation, ultracentrifugation through a layer of sucrose, isoelectric precipitation and gel filtration of Sepharose 4 B. The specific activity of the preparation obtained wa 9.9 U/mtg of protein; the sedimentation coefficient, S20, w, was 30 S. The results of sodium dodecyl sulphate polyacrylamide gel electrophoresis indicated decomposition of the 2-oxoglutarate dehydrogenase complex into 3 clear-cut protein fractions with mobilities corresponding to molecular weights of 51 000, 56 000 and about 110 000. Michaelis constants for the reactants of the 2-oxoglutarate dehydrogenase complex reactions were: 2-oxoglutarate = 200 micro M; CoA - 4,5 micro M; NAD - 25 micro M.

UI MeSH Term Description Entries
D007655 Ketoglutarate Dehydrogenase Complex 2-Keto-4-Hydroxyglutarate Dehydrogenase,2-Oxoglutarate Dehydrogenase,2-Oxoglutarate Dehydrogenase Complex,Oxoglutarate Dehydrogenase,alpha-Ketoglutarate Dehydrogenase,alpha-Ketoglutarate Dehydrogenase Complex,2 Keto 4 Hydroxyglutarate Dehydrogenase,2 Oxoglutarate Dehydrogenase,2 Oxoglutarate Dehydrogenase Complex,Complex, 2-Oxoglutarate Dehydrogenase,Complex, Ketoglutarate Dehydrogenase,Complex, alpha-Ketoglutarate Dehydrogenase,Dehydrogenase Complex, 2-Oxoglutarate,Dehydrogenase Complex, Ketoglutarate,Dehydrogenase Complex, alpha-Ketoglutarate,Dehydrogenase, 2-Keto-4-Hydroxyglutarate,Dehydrogenase, 2-Oxoglutarate,Dehydrogenase, Oxoglutarate,Dehydrogenase, alpha-Ketoglutarate,alpha Ketoglutarate Dehydrogenase,alpha Ketoglutarate Dehydrogenase Complex
D007656 Ketoglutaric Acids A family of compounds containing an oxo group with the general structure of 1,5-pentanedioic acid. (From Lehninger, Principles of Biochemistry, 1982, p442) Oxoglutarates,2-Ketoglutarate,2-Ketoglutaric Acid,2-Oxoglutarate,2-Oxoglutaric Acid,Calcium Ketoglutarate,Calcium alpha-Ketoglutarate,Ketoglutaric Acid,Oxogluric Acid,alpha-Ketoglutarate,alpha-Ketoglutaric Acid,alpha-Ketoglutaric Acid, Calcium Salt (2:1),alpha-Ketoglutaric Acid, Diammonium Salt,alpha-Ketoglutaric Acid, Dipotassium Salt,alpha-Ketoglutaric Acid, Disodium Salt,alpha-Ketoglutaric Acid, Monopotassium Salt,alpha-Ketoglutaric Acid, Monosodium Salt,alpha-Ketoglutaric Acid, Potassium Salt,alpha-Ketoglutaric Acid, Sodium Salt,alpha-Oxoglutarate,2 Ketoglutarate,2 Ketoglutaric Acid,2 Oxoglutarate,2 Oxoglutaric Acid,Calcium alpha Ketoglutarate,alpha Ketoglutarate,alpha Ketoglutaric Acid,alpha Ketoglutaric Acid, Diammonium Salt,alpha Ketoglutaric Acid, Dipotassium Salt,alpha Ketoglutaric Acid, Disodium Salt,alpha Ketoglutaric Acid, Monopotassium Salt,alpha Ketoglutaric Acid, Monosodium Salt,alpha Ketoglutaric Acid, Potassium Salt,alpha Ketoglutaric Acid, Sodium Salt,alpha Oxoglutarate,alpha-Ketoglutarate, Calcium
D007658 Ketone Oxidoreductases Oxidoreductases that are specific for KETONES. Oxidoreductases, Ketone
D007700 Kinetics The rate dynamics in chemical or physical systems.
D008928 Mitochondria Semiautonomous, self-reproducing organelles that occur in the cytoplasm of all cells of most, but not all, eukaryotes. Each mitochondrion is surrounded by a double limiting membrane. The inner membrane is highly invaginated, and its projections are called cristae. Mitochondria are the sites of the reactions of oxidative phosphorylation, which result in the formation of ATP. They contain distinctive RIBOSOMES, transfer RNAs (RNA, TRANSFER); AMINO ACYL T RNA SYNTHETASES; and elongation and termination factors. Mitochondria depend upon genes within the nucleus of the cells in which they reside for many essential messenger RNAs (RNA, MESSENGER). Mitochondria are believed to have arisen from aerobic bacteria that established a symbiotic relationship with primitive protoeukaryotes. (King & Stansfield, A Dictionary of Genetics, 4th ed) Mitochondrial Contraction,Mitochondrion,Contraction, Mitochondrial,Contractions, Mitochondrial,Mitochondrial Contractions
D009243 NAD A coenzyme composed of ribosylnicotinamide 5'-diphosphate coupled to adenosine 5'-phosphate by pyrophosphate linkage. It is found widely in nature and is involved in numerous enzymatic reactions in which it serves as an electron carrier by being alternately oxidized (NAD+) and reduced (NADH). (Dorland, 27th ed) Coenzyme I,DPN,Diphosphopyridine Nucleotide,Nadide,Nicotinamide-Adenine Dinucleotide,Dihydronicotinamide Adenine Dinucleotide,NADH,Adenine Dinucleotide, Dihydronicotinamide,Dinucleotide, Dihydronicotinamide Adenine,Dinucleotide, Nicotinamide-Adenine,Nicotinamide Adenine Dinucleotide,Nucleotide, Diphosphopyridine
D011092 Polyethylene Glycols Polymers of ETHYLENE OXIDE and water, and their ethers. They vary in consistency from liquid to solid depending on the molecular weight indicated by a number following the name. They are used as SURFACTANTS, dispersing agents, solvents, ointment and suppository bases, vehicles, and tablet excipients. Some specific groups are NONOXYNOLS, OCTOXYNOLS, and POLOXAMERS. Macrogols,Polyoxyethylenes,Carbowax,Macrogol,Polyethylene Glycol,Polyethylene Oxide,Polyethyleneoxide,Polyglycol,Glycol, Polyethylene,Glycols, Polyethylene,Oxide, Polyethylene,Oxides, Polyethylene,Polyethylene Oxides,Polyethyleneoxides,Polyglycols,Polyoxyethylene
D011232 Chemical Precipitation The formation of a solid in a solution as a result of a chemical reaction or the aggregation of soluble substances into complexes large enough to fall out of solution. Precipitation, Chemical
D002417 Cattle Domesticated bovine animals of the genus Bos, usually kept on a farm or ranch and used for the production of meat or dairy products or for heavy labor. Beef Cow,Bos grunniens,Bos indicus,Bos indicus Cattle,Bos taurus,Cow,Cow, Domestic,Dairy Cow,Holstein Cow,Indicine Cattle,Taurine Cattle,Taurus Cattle,Yak,Zebu,Beef Cows,Bos indicus Cattles,Cattle, Bos indicus,Cattle, Indicine,Cattle, Taurine,Cattle, Taurus,Cattles, Bos indicus,Cattles, Indicine,Cattles, Taurine,Cattles, Taurus,Cow, Beef,Cow, Dairy,Cow, Holstein,Cows,Dairy Cows,Domestic Cow,Domestic Cows,Indicine Cattles,Taurine Cattles,Taurus Cattles,Yaks,Zebus
D002499 Centrifugation, Density Gradient Separation of particles according to density by employing a gradient of varying densities. At equilibrium each particle settles in the gradient at a point equal to its density. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Centrifugations, Density Gradient,Density Gradient Centrifugation,Density Gradient Centrifugations,Gradient Centrifugation, Density,Gradient Centrifugations, Density

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