Role of cooperative H+/e− Linkage (redox Bohr effect) at heme a/CuA and heme a 3/CuB in the proton pump of cytochrome c oxidase

2005 ◽  
Vol 70 (2) ◽  
pp. 178-186 ◽  
Author(s):  
S. Papa
Keyword(s):  
Cytochrome C ◽  
Cytochrome C Oxidase ◽  
Proton Pump ◽  
Bohr Effect ◽  
Redox Bohr Effect

scholarly journals Redox Bohr effects and the role of heme a in the proton pump of bovine heart cytochrome c oxidase

2011 ◽  
Vol 1807 (10) ◽  
pp. 1287-1294 ◽  
Author(s):  
Giuseppe Capitanio ◽  
Pietro Luca Martino ◽  
Nazzareno Capitanio ◽  
Sergio Papa
Keyword(s):  
Cytochrome C ◽  
Cytochrome C Oxidase ◽  
Proton Pump ◽  
Bovine Heart

The role of cytochrome a in the proton pump of cytochrome-c oxidase

Biochimie ◽  
1986 ◽  
Vol 68 (3) ◽  
pp. 401-406 ◽  
Author(s):  
Michele Mueller ◽  
Angelo Azzi
Keyword(s):  
Cytochrome C ◽  
Cytochrome C Oxidase ◽  
Proton Pump

A Possible Role of Slips in Cytochrome C Oxidase in the Antioxygen Defense System of the Cell

1997 ◽  
Vol 17 (1) ◽  
pp. 23-31 ◽  
Author(s):  
S. Papa ◽  
F. Guerrieri ◽  
N. Capitanio
Keyword(s):  
Cytochrome C ◽  
Cytochrome C Oxidase ◽  
Proton Pump ◽  
Coupling Efficiency ◽  
Oxygen Toxicity ◽  
Respiratory Protection ◽  
Defense System ◽  
Relative Contribution ◽  
Switch Mechanism

Evidence is available showing that the coupling efficiency of the proton pump in cytochrome c oxidase of mitochondria can under certain conditions decrease significantly below the maximum attainable value. The view is developed that slips in the proton pump of cytochrome c oxidase represent an intrinsic switch mechanism which regulates the relative contribution of energy transfer and respiratory protection against oxygen toxicity by the oxidase.

scholarly journals Cytochrome c Oxidase is a proton pump

FEBS Letters ◽  
1978 ◽  
Vol 91 (1) ◽  
pp. 8-14 ◽  
Author(s):  
Mårten Wikström ◽  
Klaas Krab
Keyword(s):  
Cytochrome C ◽  
Cytochrome C Oxidase ◽  
Proton Pump

Cytochrome c oxidase as a redox-linked proton pump

1990 ◽  
Vol 90 (7) ◽  
pp. 1247-1260 ◽  
Author(s):  
Bo G. Malmstroem
Keyword(s):  
Cytochrome C ◽  
Cytochrome C Oxidase ◽  
Proton Pump

scholarly journals Role of subunit III and its lipids in the molecular mechanism of cytochrome c oxidase

2015 ◽  
Vol 1847 (8) ◽  
pp. 690-697 ◽  
Author(s):  
Vivek Sharma ◽  
Pauliina Ala-Vannesluoma ◽  
Ilpo Vattulainen ◽  
Mårten Wikström ◽  
Tomasz Róg
Keyword(s):  
Cytochrome C ◽  
Cytochrome C Oxidase ◽  
Molecular Mechanism ◽  
Subunit Iii
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