Tuning of B12 Photochemistry in the CarH photoreceptor to avoid radical photoproducts

Ines .S Camacho; Emma Wall; Igor V. Sazanovich; Emma  Gozzard; Mike  Towrie; Neil T. Hunt; Sam Hay; Alex R. Jones

doi:10.1039/D3CC03900E

Tuning of B₁₂ Photochemistry in the CarH photoreceptor to avoid radical photoproducts

Ines .S Camacho, Emma Wall, Igor V. Sazanovich, Emma Gozzard, Mike Towrie, Neil T. Hunt, Sam Hay, Alex R. Jones

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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.

Original language	English
Journal	Chem. Comm.
Volume	87
Early online date	13 Oct 2023
DOIs	https://doi.org/10.1039/D3CC03900E
Publication status	E-pub ahead of print - 13 Oct 2023

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10.1039/D3CC03900E

Camacho et al final versionAccepted author manuscript, 750 KBLicence: CC BY

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title = "Tuning of B12 Photochemistry in the CarH photoreceptor to avoid radical photoproducts",

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.",

author = "Camacho, {Ines .S} and Emma Wall and Sazanovich, {Igor V.} and Emma Gozzard and Mike Towrie and Hunt, {Neil T.} and Sam Hay and Jones, {Alex R.}",

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T1 - Tuning of B12 Photochemistry in the CarH photoreceptor to avoid radical photoproducts

AU - Camacho, Ines .S

AU - Wall, Emma

AU - Sazanovich, Igor V.

AU - Gozzard, Emma

AU - Towrie, Mike

AU - Hunt, Neil T.

AU - Hay, Sam

AU - Jones, Alex R.

PY - 2023/10/13

Y1 - 2023/10/13

N2 - 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.

AB - 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.

U2 - 10.1039/D3CC03900E

DO - 10.1039/D3CC03900E

M3 - Article

SN - 1359-7345

VL - 87

JO - Chem. Comm.

JF - Chem. Comm.

ER -

Tuning of B12 Photochemistry in the CarH photoreceptor to avoid radical photoproducts

Abstract

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Tuning of B₁₂ Photochemistry in the CarH photoreceptor to avoid radical photoproducts