Fixation of Carbon Dioxide into the Carboxyl Carbon of Glycine
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چکیده
منابع مشابه
The mechanism of enzymatic carbon dioxide fixation into oxal-acetate.
Studies of the non-enzymatic decarboxylation of /3-keto acids have shown that it is the keto form of the 8-keto acid which loses CO2 to form an enol of the product. This was demonstrated for dimethylacetoacetic acid by Pedersen (1) and for dimethyloxalacetic acid by Steinberger and Westheimer (2). These latter authors studied the catalytic effect of metal ions on the decarboxylation reaction an...
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15 صفحه اولCarbon dioxide fixation into amino acids of penicillium chrysogenum.
The relation of CO2 to the metabolism of Penicillium chrysogenum has been studied in three ways in this work: (1) attempts were made to replace C02; (2) radioactive C1402 was used to determine the conditions under which CO2 fixation occurred; and (3) attempts were made to identify some of the products of CO2 fixation, especially amino acids. These methods, singly or in combination, have been us...
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sence of exogenously added glutamate and pyridoxal-5'-phosphate and produced radioactive aspartate in the presence of these components. Reduced nicotinamide adenine dinucleotide or reduced nicotinamide adenine dinucleotide phosphate could not be substituted for adenosine triphosphate (ATP); phosphoenolpyruvate even in the presence of nucleoside diphosphates could not replace pyruvate plus ATP; ...
متن کاملCarbon dioxide fixation in the brain.
Upon intracarotid administration of ammonia to cats, there is a significant increase of cerebral glutamine without a corresponding decrease in the level of cerebral glutamic acid (3). Similar observations in dogs have been reported by others (4). Since the supply of glutamic acid from the circulating blood is insufficient for the formation of the additional amount of glutamine, the dicarboxylic...
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ژورنال
عنوان ژورنال: Nature
سال: 1956
ISSN: 0028-0836,1476-4687
DOI: 10.1038/178651b0