Directly light-regulated binding of RGS-LOV photoreceptors to anionic membrane phospholipids [Biochemistry]

We report natural light–oxygen–voltage (LOV) photoreceptors with a blue light-switched, high-affinity (KD ∼ 10−7 M), and direct electrostatic interaction with anionic phospholipids. Membrane localization of one such photoreceptor, BcLOV4 from Botrytis cinerea, is directly coupled to its flavin photocycle, and is mediated by a polybasic amphipathic helix in the linker...

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