Investigation of electron transfer between exogenous cytochrome c and rat liver mitoplasts by direct protein electrochemistry

1986 ◽  
Vol 14 (1) ◽  
pp. 129-130
Author(s):  
PAUL D. BARKER ◽  
JULIAN O. D. COLEMAN ◽  
H. ALLEN O. HILL ◽  
NICHOLAS J. WALTON ◽  
DAVID WHITFORD
Keyword(s):  
Electron Transfer ◽  
Cytochrome C ◽  
Rat Liver ◽  
Protein Electrochemistry

scholarly journals The effect of energization on the apparent Michaelis–Menten constant for oxyge in nmitochondrial respiration

1974 ◽  
Vol 142 (2) ◽  
pp. 247-252 ◽  
Author(s):  
Lars Christian Petersen ◽  
Peter Nicholls ◽  
Hans Degn
Keyword(s):  
Electron Transfer ◽  
Cytochrome C ◽  
Cytochrome C Oxidase ◽  
Rat Liver ◽  
Mitochondrial Respiration ◽  
Reversible Reaction ◽  
Non Linear ◽  
Menten Constant

Lineweaver–Burk plots of 1/v against 1/[O2] for rat liver mitochondrial respiration with succinate or ascorbate+NNN′N′-tetramethyl-p-phenylenediamine as substrates are non-linear. In state 3u (uncoupled by trifluoromethoxycarbonyl cyanide phenylhydrazone) such plots tend to be concave upward, whereas in state 4 (energized) the plots were concave downward. The apparent Km for oxygen is larger in state 4 than in state 3u, despite the higher turnover in the latter system. It is postulated that at least one reversible reaction occurs between cytochrome c and cytochrome c oxidase, whose rate is increased on energization (reversed electron transfer); a model including such a reaction is proposed which accounts semiquantitatively for the observations.

scholarly journals THE DISTRIBUTION OF CYTOCHROME c AND SUCCINOXIDASE ACTIVITY IN RAT LIVER FRACTIONS

1948 ◽  
Vol 172 (2) ◽  
pp. 451-458 ◽  
Author(s):  
Walter C. Schneider ◽  
Albert Claude ◽  
George H. Hogeboom
Keyword(s):  
Cytochrome C ◽  
Rat Liver

Redox Cycling within Nanoparticle-Nucleated Protein Superstructures: Electron Transfer between Nanoparticulate Gold, Molecular Reductant, and Cytochrome c

2021 ◽  
Vol 125 (7) ◽  
pp. 1735-1745 ◽  
Author(s):  
Amanda S. Harper-Leatherman ◽  
Jean Marie Wallace ◽  
Jeffrey W. Long ◽  
Christopher P. Rhodes ◽  
Molly E. Graffam ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Cytochrome C ◽  
Redox Cycling
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