Respiratory Enzymes in Oxidative Phosphorylation
نویسندگان
چکیده
منابع مشابه
Respiratory Enzymes in Oxidative Phosphorylation
In a complex enzymatic sequence the site of action of substrates and inhibitors is clearly marked by the way they affect the steady state concentrations of the components of the system (1). Antimycin A, for example, inhibits respiration in the succinic oxidase system (2) and at the same time increases the steady state reduction of cytochrome b and decreases that of cytochromes c, a, and aa (3)....
متن کاملMimicking respiratory phosphorylation using purified enzymes.
The enzymes of oxidative phosphorylation is a striking example of the functional association of multiple enzyme complexes, working together to form ATP from cellular reducing equivalents. These complexes, such as cytochrome c oxidase or the ATP synthase, are typically investigated individually and therefore, their functional interplay is not well understood. Here, we present methodology that al...
متن کاملThe Respiratory Chain and Oxidative Phosphorylation
The respiratory chain and oxidative phosphorylation are of utter importance for a cell’s metabolism. Here, the energy won from ingested food is being converted into our body’s energy unit (adenosine triphosphate). As the name respiratory chain suggests, oxygen also plays an important role. The following article will explain how exactly this complex mechanism works and which substances may disab...
متن کاملThe respiratory chain and oxidative phosphorylation.
The respiratory chain and oxidative phosphorylation are of utter importance for a cell’s metabolism. Here, the energy won from ingested food is being converted into our body’s energy unit (adenosine triphosphate). As the name respiratory chain suggests, oxygen also plays an important role. The following article will explain how exactly this complex mechanism works and which substances may disab...
متن کاملPartial Resolution of the Enzymes Catalyzing Oxidative Phosphorylation VII. OXIDATIVE PHOSPHORYLATION IN THE DIPHOSPHOPYRIDINE NUCLEOTIDE-CYTOCHROME b SEGMENT OF THE RESPIRATORY CHAIN: ASSAY AND PROPERTIES IN SUBMITOCHONDRIAL
1. A spectrophotometric procedure is described which specifically measures oxidative phosphorylation in submitochondrial particles in the diphosphopyridine nucleotide-cytochrome b segment of the respiratory chain. It is based on the reduction of exogenous coenzyme Q1 by reduced diphosphopyridine nucleotide catalyzed by phosphorylating submitochondrial particles from beef heart and rat liver. 2....
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1958
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(18)64738-6