2001
Quantifying the Ion Selectivity of the Ca2+ Site in Photosystem II: Evidence for Direct Involvement of Ca2+ in O2 Formation †
Vrettos J, Stone D, Brudvig G. Quantifying the Ion Selectivity of the Ca2+ Site in Photosystem II: Evidence for Direct Involvement of Ca2+ in O2 Formation †. Biochemistry 2001, 40: 7937-7945. PMID: 11425322, DOI: 10.1021/bi010679z.Peer-Reviewed Original ResearchConceptsOxygen-evolving complexTrivalent metal ionsMetal ionsPSII samplesPhotosystem IISubstrate water moleculesSmall metal ionsO2 evolutionSteady-state enzyme kineticsWater oxidationAqua ionsWater moleculesLewis acidO2 formationIonic radiusIon selectivityKcal/Monovalent ionsIonsExtrinsic polypeptidesFree energyEnzyme kineticsStructural cofactorSr2Activity measurements
1983
The metal centers of cytochrome c oxidase: Structure and function
Chan S, Blair D, Martin C, Wang H, Gelles J, Morgan J, Witt S, Birge R, Stevens T, Brudvig G. The metal centers of cytochrome c oxidase: Structure and function. Inorganica Chimica Acta 1983, 79: 72-73. DOI: 10.1016/s0020-1693(00)95101-6.Peer-Reviewed Original ResearchMetal centerTransmembrane electrochemical potential gradientDioxygen reductionElectron transferElectrochemical potential gradientDioxygen reduction reactionReduction of dioxygenUnambiguous structural informationProton pumpingEPR/ENDOR studyElectron transfer rate theoryOxygen reductionReduction reactionMetal sitesBiosynthetic procedureElectrochemical potential profilesFerryl intermediateENDOR studyReduction sitePotential gradientReaction originatesDioxygen reduction siteFree energyCytochrome c oxidaseStructural information