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Stabilisation of the productive charge transfer states of coenzyme B12 in the photoreceptor protein, CarH

Camacho, I. S.; Wall, E.; Sazanovich, I. V.; Gozzard, E.; Towrie, M.; Hunt, N. T.; Hay, S.; Jones, A. R.

2023-08-14 biophysics
10.1101/2023.08.11.552799 bioRxiv
Show abstract

Time-resolved infrared spectroscopy reveals the flow of electron density through coenzyme B12 in the light-activated, bacterial transcriptional regulator, CarH. The protein stabilises a series of charge transfer states that result in a photoresponse that avoids reactive, and potentially damaging, radical photoproducts.

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