Spectral Deconvolution of Electron-Bifurcating Flavoproteins

Ortiz, Steve; Niks, Dimitri; Vigil Jr., Wayne; Tran, Jessica; Lubner, Carolyn E. (ORCID:0000000315954483); Hille, Russ

doi:10.1016/bs.mie.2023.03.011

DOE OSTI · 1984208

Spectral Deconvolution of Electron-Bifurcating Flavoproteins

Ortiz, Steve·Niks, Dimitri·Vigil Jr., Wayne·Tran, Jessica·Lubner, Carolyn E. (ORCID:0000000315954483)·Hille, Russ

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Abstract

Electron-bifurcating flavoproteins catalyze the tightly coupled reduction of high- and low-potential acceptors using a median-potential electron donor, and are invariably complex systems with multiple redox-active centers in two or more subunits. Methods are described that permit, in favorable cases, the deconvolution of spectral changes associated with reduction of specific centers, making it possible to dissect the overall process of electron bifurcation into individual, discrete steps.

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electron bifurcation electron paramagnetic resonance flavoproteins INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY transient absorbance spectroscopy

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Ortiz, Steve, Niks, Dimitri, Vigil Jr., Wayne, Tran, Jessica, Lubner, Carolyn E. (ORCID:0000000315954483), Hille, Russ. 2023-04-19. Spectral Deconvolution of Electron-Bifurcating Flavoproteins. https://doi.org/10.1016/bs.mie.2023.03.011

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