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Article

Flavin-Radical Formation in the Light-Oxygen-Voltage-Sensing Domain of the Photozipper Blue-light Sensor Protein.

The journal of physical chemistry. B - 27 Sept 2018

Tsukuno Hiroyuki, Ozeki Kohei, Kobayashi Itsuki, Hisatomi Osamu, Mino Hiroyuki

Abstract excerpt

Formation of the neutral flavin radical in the light-oxygen-voltage-sensing (LOV-sensing) domain of photozipper, based on VfAUREO1, was investigated by electron paramagnetic resonance spectroscopy. The flavin radical was observed in the presence of dithiothreitol by illumination of a LOV-domain mutant (C254S), in which a photoactive cysteine residue in close proximity to flavin was replaced with a serine. The...

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PMID: 30157376
DOI: 10.1021/acs.jpcb.8b05808

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