Featured Publications
Structures of ligand-occupied β-Klotho complexes reveal a molecular mechanism underlying endocrine FGF specificity and activity
Kuzina ES, Ung PM, Mohanty J, Tome F, Choi J, Pardon E, Steyaert J, Lax I, Schlessinger A, Schlessinger J, Lee S. Structures of ligand-occupied β-Klotho complexes reveal a molecular mechanism underlying endocrine FGF specificity and activity. Proceedings Of The National Academy Of Sciences Of The United States Of America 2019, 116: 7819-7824. PMID: 30944224, PMCID: PMC6475419, DOI: 10.1073/pnas.1822055116.Peer-Reviewed Original ResearchConceptsFGF receptorsPleiotropic cellular responsesFibroblast growth factor (FGF) familyPrimary high-affinity receptorsKlotho proteinChimeric mutantsGrowth factor familyCatalytic subunitFGFR functionRegulatory interactionsTerminal tailPleiotropic cellular effectsFactor familyP motifS motifExtracellular domainMolecular mechanismsIntracellular signalingCellular responsesSame binding siteCellular effectsGeneral mechanismEndocrine FGFsBinary complexBinding sitesStructures of β-klotho reveal a ‘zip code’-like mechanism for endocrine FGF signalling
Lee S, Choi J, Mohanty J, Sousa LP, Tome F, Pardon E, Steyaert J, Lemmon MA, Lax I, Schlessinger J. Structures of β-klotho reveal a ‘zip code’-like mechanism for endocrine FGF signalling. Nature 2018, 553: 501-505. PMID: 29342135, PMCID: PMC6594174, DOI: 10.1038/nature25010.Peer-Reviewed Original ResearchMeSH KeywordsBinding SitesCrystallography, X-RayExtracellular SpaceFibroblast Growth Factor-23Fibroblast Growth FactorsGlycoside HydrolasesHEK293 CellsHumansKlotho ProteinsLigandsMembrane ProteinsModels, MolecularProtein BindingProtein DomainsReceptors, Fibroblast Growth FactorSignal TransductionSubstrate SpecificityInhibition of ErbB3 by a monoclonal antibody that locks the extracellular domain in an inactive configuration
Lee S, Greenlee EB, Amick JR, Ligon GF, Lillquist JS, Natoli EJ, Hadari Y, Alvarado D, Schlessinger J. Inhibition of ErbB3 by a monoclonal antibody that locks the extracellular domain in an inactive configuration. Proceedings Of The National Academy Of Sciences Of The United States Of America 2015, 112: 13225-13230. PMID: 26460020, PMCID: PMC4629334, DOI: 10.1073/pnas.1518361112.Peer-Reviewed Original ResearchConceptsAllosteric mechanismExtracellular domainUnique allosteric mechanismFormation of heterodimersReceptor tyrosine kinasesEGF receptor familyTyrosine kinase domainStructure-based designPseudo-kinaseKinase domainLigand-dependent mechanismInactive conformationTyrosine kinaseInactive configurationReceptor familyFamily activationErbB3 activationErbB3KinaseErbB2ErbB4Family membersDomainActivationHeterodimerization
2023
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
2020
FGF23 contains two distinct high-affinity binding sites enabling bivalent interactions with α-Klotho
Suzuki Y, Kuzina E, An SJ, Tome F, Mohanty J, Li W, Lee S, Liu Y, Lax I, Schlessinger J. FGF23 contains two distinct high-affinity binding sites enabling bivalent interactions with α-Klotho. Proceedings Of The National Academy Of Sciences Of The United States Of America 2020, 117: 31800-31807. PMID: 33257569, PMCID: PMC7749347, DOI: 10.1073/pnas.2018554117.Peer-Reviewed Original ResearchMeSH KeywordsBinding SitesCalcinosisCell MembraneFibroblast Growth Factor-23Fibroblast Growth FactorsGlucuronidaseHEK293 CellsHumansHyperostosis, Cortical, CongenitalHyperphosphatemiaImmunoglobulin Fc FragmentsKlotho ProteinsMutationOsteomalaciaProtein BindingProtein DomainsProtein MultimerizationRecombinant Fusion ProteinsRickets, HypophosphatemicConceptsFGF receptorsTotal internal reflection fluorescence microscopyChimeric receptor moleculesReflection fluorescence microscopyBinding sitesDisulfide bridge formationCritical metabolic processesMAPK responseCytoplasmic domainGrowth factor familyTerminal tailFactor familyKinase activationSimilar binding affinitiesExtracellular domainFGFR1 activationTandem repeatsMetabolic processesDisulfide bridgesCell surfaceDistinct ligandsCell membraneFluorescence microscopyDistinct high-affinity binding sitesPhosphate homeostasis
2017
Tylophorine Analogs Allosterically Regulates Heat Shock Cognate Protein 70 And Inhibits Hepatitis C Virus Replication
Wang Y, Lee S, Ha Y, Lam W, Chen SR, Dutschman GE, Gullen EA, Grill SP, Cheng Y, Fürstner A, Francis S, Baker DC, Yang X, Lee KH, Cheng YC. Tylophorine Analogs Allosterically Regulates Heat Shock Cognate Protein 70 And Inhibits Hepatitis C Virus Replication. Scientific Reports 2017, 7: 10037. PMID: 28855547, PMCID: PMC5577180, DOI: 10.1038/s41598-017-08815-z.Peer-Reviewed Original ResearchConceptsHepatitis C virus replicationC virus replicationTylophorine analogsHCV replicationHeat shock cognate protein 70HCV RNAShock cognate protein 70Inhibits Hepatitis C Virus ReplicationVirus replicationProtein 70Anti-HCV activityHCV replication complexPotent inhibitory activityExhibit potent inhibitory activityInhibitory activityATPase activityArthritisInflammationLupusReplicationActivityCancerHsc70
2011
Crystal Structure of the E2 Domain of Amyloid Precursor Protein-like Protein 1 in Complex with Sucrose Octasulfate*
Xue Y, Lee S, Wang Y, Ha Y. Crystal Structure of the E2 Domain of Amyloid Precursor Protein-like Protein 1 in Complex with Sucrose Octasulfate*. Journal Of Biological Chemistry 2011, 286: 29748-29757. PMID: 21715329, PMCID: PMC3191016, DOI: 10.1074/jbc.m111.219659.Peer-Reviewed Original ResearchConceptsAPP-like proteinsE2 domainHEK-293 cellsSucrose OctasulfateSignal transductionProtein geneBasic residuesSOS moleculesMutational analysisE2 dimerMost residuesProcessing of APPFamilial Alzheimer's diseaseExtracellular matrixAmyloid precursor protein geneProteolysis of APPMissense mutationsProtein 1Key heparinProteinResiduesSymmetry mateAPLP1Precursor protein geneCrystal structureThe E2 Domains of APP and APLP1 Share a Conserved Mode of Dimerization
Lee S, Xue Y, Hu J, Wang Y, Liu X, Demeler B, Ha Y. The E2 Domains of APP and APLP1 Share a Conserved Mode of Dimerization. Biochemistry 2011, 50: 5453-5464. PMID: 21574595, PMCID: PMC3120129, DOI: 10.1021/bi101846x.Peer-Reviewed Original ResearchAmino Acid SubstitutionAmyloid beta-Protein PrecursorBinding SitesConserved SequenceCrystallography, X-RayDimerizationHeparinHumansIn Vitro TechniquesModels, MolecularPhosphatesProtein BindingProtein Interaction Domains and MotifsProtein MultimerizationProtein Structure, QuaternaryProtein Structure, TertiaryRecombinant ProteinsStatic Electricity
2007
NMR and mutagenesis of human copper transporter 1 (hCtr1) show that Cys-189 is required for correct folding and dimerization
Lee S, Howell SB, Opella SJ. NMR and mutagenesis of human copper transporter 1 (hCtr1) show that Cys-189 is required for correct folding and dimerization. Biochimica Et Biophysica Acta 2007, 1768: 3127-3134. PMID: 17959139, PMCID: PMC2275670, DOI: 10.1016/j.bbamem.2007.08.037.Peer-Reviewed Original ResearchConceptsMembrane proteinsHuman high-affinity copper transporterHigh-affinity copper transporterCys-189Polytopic membrane proteinsSolution-state NMR methodsMetal-binding motifHuman copper transporter 1Site-directed mutagenesisCopper transporter 1Cys-161Transmembrane helicesExperimental structure determinationProper foldingCorrect foldingCopper transporterCysteine residuesBinding motifProteinDimer formationMutagenesisTransporter 1FoldingStructure determinationNMR methods
2000
Role of the Hinge Region and the Tryptophan Residue in the Synthetic Antimicrobial Peptides, Cecropin A(1−8)−Magainin 2(1−12) and Its Analogues, on Their Antibiotic Activities and Structures † , ‡
Oh D, Shin S, Lee S, Kang J, Kim S, Ryu P, Hahm K, Kim Y. Role of the Hinge Region and the Tryptophan Residue in the Synthetic Antimicrobial Peptides, Cecropin A(1−8)−Magainin 2(1−12) and Its Analogues, on Their Antibiotic Activities and Structures † , ‡. Biochemistry 2000, 39: 11855-11864. PMID: 11009597, DOI: 10.1021/bi000453g.Peer-Reviewed Original ResearchAmino Acid SequenceAmino Acid SubstitutionAnimalsAnti-Bacterial AgentsAntimicrobial Cationic PeptidesAntineoplastic AgentsBacillus subtilisElectric ConductivityEscherichia coliHumansIon ChannelsJurkat CellsK562 CellsLipid BilayersMagaininsMolecular Sequence DataNuclear Magnetic Resonance, BiomolecularPeptide FragmentsProtein Structure, SecondaryProtein Structure, TertiaryTryptophanXenopus Proteins