1991
Electron spin-lattice relaxation and spectral diffusion measurements on tyrosine radicals in proteins
Beck W, Innes J, Lynch J, Brudvig G. Electron spin-lattice relaxation and spectral diffusion measurements on tyrosine radicals in proteins. Journal Of Magnetic Resonance (1969) 1991, 91: 12-29. DOI: 10.1016/0022-2364(91)90403-g.Peer-Reviewed Original ResearchSpectral diffusion processesMicrowave pulsesSpectral diffusionSpin-spin interactionsElectron spin-lattice relaxationSpin-lattice relaxationRelaxation kineticsLong microwave pulsesPhotosystem IIRelaxation rate 1T1Time scalesSpin-spin relaxation time T2Saturation recoverySpin-echo methodRelaxation time T2Tyrosine radicalsSaturating pulseTime T2Diffusion processPulsesDominant contributionDiffusion measurementsLarge separationSaturation recovery methodFrozen glasses
1990
Electron-transfer reactions in manganese-depleted photosystem II.
Buser C, Thompson L, Diner B, Brudvig G. Electron-transfer reactions in manganese-depleted photosystem II. Biochemistry 1990, 29: 8977-85. PMID: 2176840, DOI: 10.1021/bi00490a014.Peer-Reviewed Original ResearchConceptsMn-depleted photosystem II membranesElectron donation reactionsManganese-depleted photosystem IIElectron donationCytochrome b559Photosystem II membranesElectron paramagnetic resonance spectroscopyGlobal fitPSII samplesParamagnetic resonance spectroscopyEnergy differenceP680Room temperaturePhotosystem IIElectron transfer reactionsTime scalesLifetimeDecayFree energy differenceElectron transferRate constantsB559Resonance spectroscopySame orderRate of photooxidation