منابع مشابه
Rat Liver Aldehyde Dehydrogenase
From normal rat liver mitochondrial and microsomal fractions, 4 distinct aldehyde dehydrogenase isozymes with millimolar substrate K,,, values have been purified and characterized. Two isozymes were isolated from mitochondria and 2 from microsomes. A mitochondrial aldehyde dehydrogenase with a substrate K,,, in the micromolar range was also identified. Subunit molecular weights for all millimol...
متن کاملRat liver L-threonine dehydrogenase.
L-threonine dehydrogenase (E.C.1.1.1.103) catalyzes the NAD+-dependent transformation of Lthreonine to 2-amino 3-0x0-butyric acid, which spontaneously loses CO2 with the final production of aminoacetone ( 1) The enzyme is present in several microorganisms as well as in the liver of vertebrates (2-6). We studied some properties of the rat liver enzyme, showing that the activity was strongly inhi...
متن کاملGenetic Variation of Choline Dehydrogenase Gene in Idiopathic Male Infertility
Infertility can be caused by an unexplained reduction in semen quality in males who present asnormal on physical examination and endocrine testing. There is some evidence that aberrantmetabolism of micronutrients such as choline may play a causative role in male factorinfertility. Choline is a crucial factor in the regulation of sperm membrane structure andmotility, and this nutrient plays an i...
متن کاملStudies with Rat Liver Glucose Dehydrogenase.
Glucose dehydrogenasel catalyzes the direct oxidation of glucose to &gluconolactone (2) utilizing as a coenzyme either nicotinamide adenine dinucleotide (NAD) or nicotinamide adenine dinucleotide phosphate (NADP) (3-5). Harrison (6,7) first reported its presence in cat, dog, sheep, and ox livers in 1931 and later achieved a crude purification of the beef liver glucose dehydrogenase (8). Improve...
متن کاملPurification and characterization of choline/ethanolamine kinase from rat liver.
Choline kinase, the first enzyme in the CDP-choline pathway for phosphatidylcholine biosynthesis, was purified 26,000-fold from rat liver to a specific activity of 143,000 nmol.min-1.mg-1 protein. The subunit molecular mass was 47 kDa by sodium dodecyl sulfate-polyacrylamide gel electrophoresis, while the apparent native molecular mass was 160 kDa by size exclusion chromatography, suggesting a ...
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ژورنال
عنوان ژورنال: Eiyo To Shokuryo
سال: 1980
ISSN: 1883-8863
DOI: 10.4327/jsnfs1949.33.143