A Confirmation of the Quench-Cryoannealing Relaxation Protocol for Identifying Reduction States of Freeze-Trapped Nitrogenase Intermediates

[Image: see text] We have advanced a mechanism for nitrogenase catalysis that rests on the identification of a low-spin EPR signal (S = 1/2) trapped during turnover of a MoFe protein as the E(4) state, which has accumulated four reducing equivalents as two [Fe–H–Fe] bridging hydrides. Because electr...

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Главные авторы: Lukoyanov, Dmitriy, Yang, Zhi-Yong, Duval, Simon, Danyal, Karamatullah, Dean, Dennis R., Seefeldt, Lance C., Hoffman, Brian M.
Формат: Artigo
Язык:Inglês
Опубликовано: American Chemical Society 2014
Online-ссылка:https://ncbi.nlm.nih.gov/pmc/articles/PMC3993915/
https://ncbi.nlm.nih.gov/pubmed/24635454
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1021/ic500013c
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