Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Håkan Sigurdson"'
Publikováno v:
Journal of Inorganic Biochemistry. 88:335-342
We have investigated the CO-recombination kinetics after flash photolysis of CO from the "half-reduced" cytochrome c oxidase as a function of pH. In addition, the reaction was investigated in mutant enzymes in which Lys(I-362) and Ser(I-299), located
Publikováno v:
Biochemistry. 40:10578-10585
The ligand-binding dynamics and the reaction with O(2) of the fully (five-electron) reduced cytochrome caa(3) from the thermohalophilic bacterium Rhodothermus (R.) marinus were investigated. The enzyme is a proton pump which has all the residues of t
Autor:
Pia Ädelroth, Magnus Brändén, Andreas Namslauer, Robert B. Gennis, Peter Brzezinski, Håkan Sigurdson
Publikováno v:
Proceedings of the National Academy of Sciences. 98:5013-5018
Cytochrome c oxidase is a membrane-bound enzyme that catalyzes the four-electron reduction of oxygen to water. This highly exergonic reaction drives proton pumping across the membrane. One of the key questions associated with the function of cytochro
Publikováno v:
Proceedings of the National Academy of Sciences. 93:12292-12297
Bovine heart cytochrome c oxidase is an electron-current driven proton pump. To investigate the mechanism by which this pump operates it is important to study individual electron- and proton-transfer reactions in the enzyme, and key reactions in whic
Autor:
Pia Ädelroth, Peter Brzezinski, Håkan Sigurdson, Martin Karperfors, Margareta Svensson Ek, Anna Aagaard
Publikováno v:
Biochimica et Biophysica Acta (BBA) - Bioenergetics. (1-2):159-169
The cytochrome c and ubiquinol oxidases discussed in this article are membrane-bound redox-driven proton pumps which couple an electron current to a proton current across the membrane. This coupling requires a control of the thermodynamics and/or rat
Publikováno v:
ResearcherID
Biophysical journal 82, 1-10 (2002).
Biophysical journal 82, 1-10 (2002).
The redox-driven proton pump cytochrome c oxidase is that enzymatic machinery of the respiratory chain that transfers electrons from cytochrome c to molecular oxygen and thereby splits molecular oxygen to form water. To investigate the reaction mecha
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