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Fig. 5. EPR spectra collected at ambient temperature under continuous illumination using a 447.5 nm LED of (A) 2MP-α3C, shown in orange, and (B) 4MP-α3C, shown in green. EPR settings: microwave frequency, 9.85 GHz; microwave power 6.3 mW; modulation frequency 100 kHz; modulation amplitude 0.1 mT.