Dehydrogenases requiring nicotinamide coenzymes
著者
書誌事項
Dehydrogenases requiring nicotinamide coenzymes
（Experientia supplementum, 36）
Birkhäuser, 1980
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注記
Includes bibliographies and index
内容説明・目次
内容説明
This book brings together lmportant work on the structure and function of the dehydrogenases requiring nicotinamide coenzymes. The structure and function of lactate dehydrogen- ase, alcohol dehydrogenase, and glyceraldehyde 3-phosphate dehydrogenase are compared. These are the relatively simple oligomeric dehydrogenases for which very extensive structural and mechanistic information is available. Kinetic studies are dealt with in general terms, with selected examples. Genetic and structural relationships revealed by primary structure are discussed. General features of the specificity of dehydrogen- ase reactions are described. The pyridine nucleotide - disulphide oxidoreductases exemplify a type of multicomponent enzyme complex. Lipoamide dehydrogenase, glutathione reductase, and thioredoxin reduct- ase are described and compared. The fatty acid synthesizing systems of some organ- isms are nonaggregated, whereas in other organisms they are multienzyme complexes containing, in animal tissues for example, two closely related multifunctional polypeptide chains.
The dehydrogenase activities of the fatty acid syn- thesizing systems afford many points of interest, which are described and discussed. Hydroxymethylglutaryl-CoA reductase occupies a key position in the synthesis of isoprenoid compounds, including cholesterol. It probably occurs in all forms of life; in animal cells it is a microsomal enzyme. Its properties are reviewed.
目次
- Kinetic Aspects of Soluble Dehydrogenases Requiring Nicotinamide Coenzymes.- Structure and Mechanism of Liver Alcohol Dehydrogenase, Lactate Dehydrogenase and Glyceraldehyde-3-Phosphate Dehydrogenase.- The Specificity of Dehydrogenases.- Primary Structures of Dehydrogenases. Evolutionary Characteristics Related to Functional Aspects
- Models for Isozyme Developments and Ancestral Connections.- Pyridine Nucleotide - Disulfide Oxidoreductases.- Dehydrogenase Activities of Fatty Acid Synthesizing Enzyme Systems.- Hydroxymethylglutaryl-CoA Reductase.
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