2004
Proximal and Distal Influences on Ligand Binding Kinetics in Microperoxidase and Heme Model Compounds †
Cao W, Ye X, Georgiev G, Berezhna S, Sjodin T, Demidov A, Wang W, Sage J, Champion P. Proximal and Distal Influences on Ligand Binding Kinetics in Microperoxidase and Heme Model Compounds †. Biochemistry 2004, 43: 7017-7027. PMID: 15170339, DOI: 10.1021/bi0497291.Peer-Reviewed Original ResearchConceptsRebinding kineticsTime-resolved IR measurementsCO docking sitesLaser flash photolysisLigand rebinding kineticsTime-resolved Raman spectraCO rebinding kineticsTime-resolved Raman spectroscopyFe-protoporphyrin IXFlash photolysisGeminate rebindingLigand binding kineticsHeme complexNative myoglobinRaman spectraIR measurementsVibrational modesMicelle-encapsulatedDilution conditionsMicroperoxidaseLigandBinding kineticsKineticsEnergetic significanceConcentration samples
2001
Water Penetration and Binding to Ferric Myoglobin †
Cao W, Christian J, Champion P, Rosca F, Sage J. Water Penetration and Binding to Ferric Myoglobin †. Biochemistry 2001, 40: 5728-5737. PMID: 11341838, DOI: 10.1021/bi010067e.Peer-Reviewed Original ResearchConceptsH2O bindingHeme pocketHydrogen bondsHis-64Heme ironFlash photolysis investigationsPhotodissociation of NOFerric heme proteinsH2O ligandsWater moleculesNO photolysisHorse heart metmyoglobinHeme proteinsCO escapeBound waterRebinding rateSmall moleculesH2OPhotolysisDissociation constantBondsHydrogenHemeMoleculesPhysiological NO concentrations