1998
Identification of Histidine 118 in the D1 Polypeptide of Photosystem II as the Axial Ligand to Chlorophyll Z †
Stewart D, Cua A, Chisholm D, Diner B, Bocian D, Brudvig G. Identification of Histidine 118 in the D1 Polypeptide of Photosystem II as the Axial Ligand to Chlorophyll Z †. Biochemistry 1998, 37: 10040-10046. PMID: 9665709, DOI: 10.1021/bi980668e.Peer-Reviewed Original ResearchConceptsElectron paramagnetic resonanceAxial ligandsChlorophyll ZPhotosystem IIRR spectraLow-temperature electron paramagnetic resonanceWild-type Photosystem IIRedox-active tyrosinesReaction centersEfficiency of photooxidationResonance Raman spectroscopyPSII complexesIR absorbance spectraD2 polypeptidesBacterial reaction centersParamagnetic resonanceRR signatureRaman spectroscopyAccessory ChlInfrared absorbanceQuantum yieldAbsorbance bandLigandsIR excitationLow-temperature illumination
1990
Electron Spin-Lattice Relaxation of the Stable Tyrosine Radical D+ in Photosystem II
Beck W, Innes J, Brudvig G. Electron Spin-Lattice Relaxation of the Stable Tyrosine Radical D+ in Photosystem II. 1990, 817-820. DOI: 10.1007/978-94-009-0511-5_188.Peer-Reviewed Original ResearchMn complexesO2-evolving centerDark stable S1 statePhotosystem IIPhotosynthetic H2O oxidationElectron paramagnetic resonance spectraRedox-active sitesWeak dipolar couplingsParamagnetic resonance spectraH2O oxidationOxidation stateTyrosine radicalsDipolar couplingsResonance spectraS0 stateS1 stateTyr-160D2 polypeptidesRelaxation propertiesSpin-lattice relaxation rateMagnetic propertiesElectron spin-lattice relaxation rateSpin-lattice relaxationComplexesRelaxation rate