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, Fikret; Smith, Paul; Styring, Stenbjorn; Pace, Ronald

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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

Date

2004

Authors

Mamedov, Fikret

Smith, Paul

Styring, Stenbjorn

Pace, Ronald

Publisher

Royal Society of Chemistry

Abstract

Inversion 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 from