2017
How Nothing Boosts Affinity: Hydrophobic Ligand Binding to the Virtually Vacated S1′ Pocket of Thermolysin
Krimmer S, Cramer J, Schiebel J, Heine A, Klebe G. How Nothing Boosts Affinity: Hydrophobic Ligand Binding to the Virtually Vacated S1′ Pocket of Thermolysin. Journal Of The American Chemical Society 2017, 139: 10419-10431. PMID: 28696673, DOI: 10.1021/jacs.7b05028.Peer-Reviewed Original ResearchConceptsWater moleculesPresent water moleculesWeak-binding ligandsAliphatic side chainsSpecificity pocketIsothermal titration calorimetrySolvent moleculesHigh-resolution crystallographyActive siteHydrophobic ligand bindingCrystalline stateElectron density mapsSide chainsTitration calorimetryS1 pocketNoble gas atomsSubstituentsThermodynamic signaturesFree energyHydration stateMoleculesLigands
2016
Rational Design of Thermodynamic and Kinetic Binding Profiles by Optimizing Surface Water Networks Coating Protein-Bound Ligands
Krimmer S, Cramer J, Betz M, Fridh V, Karlsson R, Heine A, Klebe G. Rational Design of Thermodynamic and Kinetic Binding Profiles by Optimizing Surface Water Networks Coating Protein-Bound Ligands. Journal Of Medicinal Chemistry 2016, 59: 10530-10548. PMID: 27933956, DOI: 10.1021/acs.jmedchem.6b00998.Peer-Reviewed Original ResearchConceptsDifferent hydrophobic substituentsKinetic binding profilesProtein-bound ligandsParent ligandSurface plasmon resonanceWater moleculesProtein-bound inhibitorThermolysin inhibitorsHigh-resolution crystallographyCongeneric seriesRational designWater networkMD simulationsHydrophobic substituentsPlasmon resonanceSubstituentsAffinity enhancementLigandsWater polygonsWater layerSurface water networkSurface water layerBinding signatureResidence timeCrystallography
2014
Methyl, Ethyl, Propyl, Butyl: Futile But Not for Water, as the Correlation of Structure and Thermodynamic Signature Shows in a Congeneric Series of Thermolysin Inhibitors
Krimmer S, Betz M, Heine A, Klebe G. Methyl, Ethyl, Propyl, Butyl: Futile But Not for Water, as the Correlation of Structure and Thermodynamic Signature Shows in a Congeneric Series of Thermolysin Inhibitors. ChemMedChem 2014, 9: 833-846. PMID: 24623396, DOI: 10.1002/cmdc.201400013.Peer-Reviewed Original ResearchConceptsWater moleculesFirst solvation layerThermodynamic binding profilesProtein-ligand binding processHigh-resolution crystal structuresIsothermal titration calorimetrySolvation patternsCorrelation of structureSolvation layerEntropy-driven bindingThermolysin inhibitorsCongeneric seriesSingle methyl groupCrystal structureWater arrangementSolvent-exposed surfaceTitration calorimetryBinding processMethyl groupS2 pocketSubstituentsComplex formationBinding propertiesLigand binding propertiesBiological systems