Featured Publications
Cryo-EM analyses of KIT and oncogenic mutants reveal structural oncogenic plasticity and a target for therapeutic intervention
Krimmer S, Bertoletti N, Suzuki Y, Katic L, Mohanty J, Shu S, Lee S, Lax I, Mi W, Schlessinger J. Cryo-EM analyses of KIT and oncogenic mutants reveal structural oncogenic plasticity and a target for therapeutic intervention. Proceedings Of The National Academy Of Sciences Of The United States Of America 2023, 120: e2300054120. PMID: 36943885, PMCID: PMC10068818, DOI: 10.1073/pnas.2300054120.Peer-Reviewed Original ResearchConceptsOncogenic KIT mutantsStem cell factorKIT mutantsHomotypic contactsCryo-EM analysisUnexpected structural plasticityLigand stem cell factorElectron microscopy structural analysisReceptor tyrosine kinase KITOncogenic mutantsHematopoietic stem cellsKIT dimerizationTyrosine kinase KITD5 regionPlasma membraneMutational analysisMutantsExtracellular domainGerm cellsHuman cancersSomatic gainCell factorStructural plasticityStem cellsKinase KIT
2022
Insights on JAK2 Modulation by Potent, Selective, and Cell-Permeable Pseudokinase-Domain Ligands
Liosi ME, Ippolito JA, Henry SP, Krimmer SG, Newton AS, Cutrona KJ, Olivarez RA, Mohanty J, Schlessinger J, Jorgensen WL. Insights on JAK2 Modulation by Potent, Selective, and Cell-Permeable Pseudokinase-Domain Ligands. Journal Of Medicinal Chemistry 2022, 65: 8380-8400. PMID: 35653642, PMCID: PMC9939005, DOI: 10.1021/acs.jmedchem.2c00283.Peer-Reviewed Original Research
2021
Structural basis for ligand reception by anaplastic lymphoma kinase
Li T, Stayrook SE, Tsutsui Y, Zhang J, Wang Y, Li H, Proffitt A, Krimmer SG, Ahmed M, Belliveau O, Walker IX, Mudumbi KC, Suzuki Y, Lax I, Alvarado D, Lemmon MA, Schlessinger J, Klein DE. Structural basis for ligand reception by anaplastic lymphoma kinase. Nature 2021, 600: 148-152. PMID: 34819665, PMCID: PMC8639777, DOI: 10.1038/s41586-021-04141-7.Peer-Reviewed Original Research
2020
Selective Janus Kinase 2 (JAK2) Pseudokinase Ligands with a Diaminotriazole Core
Liosi ME, Krimmer SG, Newton AS, Dawson T, Puleo DE, Cutrona KJ, Suzuki Y, Schlessinger J, Jorgensen WL. Selective Janus Kinase 2 (JAK2) Pseudokinase Ligands with a Diaminotriazole Core. Journal Of Medicinal Chemistry 2020, 63: 5324-5340. PMID: 32329617, PMCID: PMC7949251, DOI: 10.1021/acs.jmedchem.0c00192.Peer-Reviewed Original Research
2018
Optimization of Pyrazoles as Phenol Surrogates to Yield Potent Inhibitors of Macrophage Migration Inhibitory Factor
Trivedi‐Parmar V, Robertson MJ, Cisneros J, Krimmer SG, Jorgensen WL. Optimization of Pyrazoles as Phenol Surrogates to Yield Potent Inhibitors of Macrophage Migration Inhibitory Factor. ChemMedChem 2018, 13: 1092-1097. PMID: 29575754, PMCID: PMC5990473, DOI: 10.1002/cmdc.201800158.Peer-Reviewed Original Research
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
High-Throughput Crystallography: Reliable and Efficient Identification of Fragment Hits
Schiebel J, Krimmer S, Röwer K, Knörlein A, Wang X, Park A, Stieler M, Ehrmann F, Fu K, Radeva N, Krug M, Huschmann F, Glöckner S, Weiss M, Mueller U, Klebe G, Heine A. High-Throughput Crystallography: Reliable and Efficient Identification of Fragment Hits. Structure 2016, 24: 1398-1409. PMID: 27452405, DOI: 10.1016/j.str.2016.06.010.Peer-Reviewed Original ResearchConceptsFragment-like moleculesFragment-based methodsSubsequent drug designHigh-quality diffraction dataFragment hitsHit identificationLead structuresDiverse fragmentsDrug designThroughput CrystallographyDiffraction dataStructural informationProtein crystalsCrystallographyElectron densityRefinement pipelineLigandsDrug developmentCompoundsMoleculesRefinement cycleStructureSuccessful applicationLow affinityHits
2011
Synthesis and Characterization of Poly(ε‐caprolactone)‐block‐poly[N‐(2‐hydroxypropyl)methacrylamide] Micelles for Drug Delivery
Krimmer S, Pan H, Liu J, Yang J, Kopeček J. Synthesis and Characterization of Poly(ε‐caprolactone)‐block‐poly[N‐(2‐hydroxypropyl)methacrylamide] Micelles for Drug Delivery. Macromolecular Bioscience 2011, 11: 1041-1051. PMID: 21567954, PMCID: PMC4598047, DOI: 10.1002/mabi.201100019.Peer-Reviewed Original ResearchMeSH KeywordsAcrylamidesBiocompatible MaterialsCell Line, TumorCell SurvivalDrug CompoundingDrug Delivery SystemsHumansInhibitory Concentration 50KineticsMagnetic Resonance SpectroscopyMaleMicellesMicroscopy, Electron, TransmissionParticle SizePolyestersPolyethylene GlycolsPolymerizationPolymersProstatic NeoplasmsRetinoids