Relaxation behaviour of the tyrosine Y D radical in photosystem II: evidence for strong dipolar interaction with paramagnetic centers in the S 1 and S 2 states

Mamedov, FikretSmith, PaulStyring, StenbjornPace, Ronald2015-12-132015-12-131463-9076http://hdl.handle.net/1885/88695Inversion recovery (T1) and microwave power saturation studies have been performed, between 4 and 25 K, on the EPR signal from the stable tyrosyl radical, YD., in photosystem II core complex preparations from higher plants. Measurements are reported fromKeywords: cryoprotective agent; ethylene glycol; glycerol; manganese; sucrose; tyrosine derivative; article; electron spin resonance; higher plant; illumination; magnetic field; magnetism; photosystem II; temperature dependenceRelaxation behaviour of the tyrosine Y D radical in photosystem II: evidence for strong dipolar interaction with paramagnetic centers in the S 1 and S 2 states200410.1039/b407329k2016-02-24