Adding a Hydrogen Bond May Not Help: Naphthyridinone vs Quinoline Inhibitors of Macrophage Migration Inhibitory Factor
Dawson TK, Dziedzic P, Robertson MJ, Cisneros J, Krimmer SG, Newton AS, Tirado-Rives J, Jorgensen WL. Adding a Hydrogen Bond May Not Help: Naphthyridinone vs Quinoline Inhibitors of Macrophage Migration Inhibitory Factor. ACS Medicinal Chemistry Letters 2017, 8: 1287-1291. PMID: 29259749, PMCID: PMC5733268, DOI: 10.1021/acsmedchemlett.7b00384.Peer-Reviewed Original ResearchHydrogen bondsFEP resultsProtein-ligand hydrogen bondsExcellent aqueous solubilityLactam carbonyl groupDFT calculationsAqueous solubilityAmmonium groupsCarbonyl groupN distancesActive siteCrystal structureBondsQuinoline inhibitorsRelated quinolinesQuinolineNaphthyridinonesModel systemSolubilityCompoundsComplexesLys32CoordinationNMCalculationsPaying the Price of Desolvation in Solvent-Exposed Protein Pockets: Impact of Distal Solubilizing Groups on Affinity and Binding Thermodynamics in a Series of Thermolysin Inhibitors
Cramer J, Krimmer S, Heine A, Klebe G. Paying the Price of Desolvation in Solvent-Exposed Protein Pockets: Impact of Distal Solubilizing Groups on Affinity and Binding Thermodynamics in a Series of Thermolysin Inhibitors. Journal Of Medicinal Chemistry 2017, 60: 5791-5799. PMID: 28590130, DOI: 10.1021/acs.jmedchem.7b00490.Peer-Reviewed Original ResearchConceptsPolar groupsThermolysin inhibitorsProtein pocketFirst hydration shellProtein-ligand complexesProtein-solvent interfaceProspective binding sitesWater moleculesHydration shellSolvent effectsAmmonium groupsPartial desolvationSolvent-exposed positionsBinding thermodynamicsWater reorganizationThermodynamic fingerprintLead optimizationInhibitor scaffoldsHydrophobic analoguesDesolvationPharmacokinetic propertiesOpen pocket