Biological electron transfer

1995 ◽  
Vol 27 (3) ◽  
pp. 263-274 ◽  
Author(s):  
Christopher C. Moser ◽  
Christopher C. Page ◽  
Ramy Farid ◽  
P. Leslie Dutton
Keyword(s):  
Electron Transfer ◽  
Biological Electron Transfer

Electronic factor in biological electron transfer systems. Role of aromatic side groups

1991 ◽  
Vol 40 (S18) ◽  
pp. 99-118 ◽  
Author(s):  
S. Larsson ◽  
M. Braga ◽  
A. Broo ◽  
B. k�llebring
Keyword(s):  
Electron Transfer ◽  
Electronic Factor ◽  
Biological Electron Transfer

Quantum effects in biological electron transfer

2012 ◽  
Vol 14 (17) ◽  
pp. 5902 ◽  
Author(s):  
Aurélien de la Lande ◽  
Nathan S. Babcock ◽  
Jan Řezáč ◽  
Bernard Lévy ◽  
Barry C. Sanders ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Quantum Effects ◽  
Biological Electron Transfer

scholarly journals One-megadalton metalloenzyme complex inGeobacter metallireducensinvolved in benzene ring reduction beyond the biological redox window

2019 ◽  
Vol 116 (6) ◽  
pp. 2259-2264 ◽  
Author(s):  
Simona G. Huwiler ◽  
Claudia Löffler ◽  
Sebastian E. L. Anselmann ◽  
Hans-Joachim Stärk ◽  
Martin von Bergen ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Benzene Ring ◽  
Active Site ◽  
Anaerobic Bacterium ◽  
Class Ii ◽  
High Molecular Mass ◽  
Redox Potentials ◽  
Geobacter Metallireducens ◽  
Redox Couples ◽  
Biological Electron Transfer

Reversible biological electron transfer usually occurs between redox couples at standard redox potentials ranging from +0.8 to −0.5 V. Dearomatizing benzoyl-CoA reductases (BCRs), key enzymes of the globally relevant microbial degradation of aromatic compounds at anoxic sites, catalyze a biological Birch reduction beyond the negative limit of this redox window. The structurally characterized BamBC subunits of class II BCRs accomplish benzene ring reduction at an active-site tungsten cofactor; however, the mechanism and components involved in the energetic coupling of endergonic benzene ring reduction have remained hypothetical. We present a 1-MDa, membrane-associated, Bam[(BC)2DEFGHI]2complex from the anaerobic bacteriumGeobacter metallireducensharboring 4 tungsten, 4 zinc, 2 selenocysteines, 6 FAD, and >50 FeS cofactors. The results suggest that class II BCRs catalyze electron transfer to the aromatic ring, yielding a cyclic 1,5-dienoyl-CoA via two flavin-based electron bifurcation events. This work expands our knowledge of energetic couplings in biology by high-molecular-mass electron bifurcating machineries.

scholarly journals iBET: Immersive visualization of biological electron-transfer dynamics

2016 ◽  
Vol 65 ◽  
pp. 94-99 ◽  
Author(s):  
C. Masato Nakano ◽  
Erick Moen ◽  
Hye Suk Byun ◽  
Heng Ma ◽  
Bradley Newman ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Immersive Visualization ◽  
Biological Electron Transfer

Role of conducting polymeric interfaces in promoting biological electron transfer

1997 ◽  
Vol 12 (8) ◽  
pp. 721-727 ◽  
Author(s):  
Karl S. Ryder ◽  
David G. Morris ◽  
Jonathan M. Cooper
Keyword(s):  
Electron Transfer ◽  
Biological Electron Transfer
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