2019
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 sites
2018
Structures 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 Specificity
2014
The Strength and Cooperativity of KIT Ectodomain Contacts Determine Normal Ligand-Dependent Stimulation or Oncogenic Activation in Cancer
Reshetnyak AV, Opatowsky Y, Boggon TJ, Folta-Stogniew E, Tome F, Lax I, Schlessinger J. The Strength and Cooperativity of KIT Ectodomain Contacts Determine Normal Ligand-Dependent Stimulation or Oncogenic Activation in Cancer. Molecular Cell 2014, 57: 191-201. PMID: 25544564, PMCID: PMC4764128, DOI: 10.1016/j.molcel.2014.11.021.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBaculoviridaeBinding SitesCrystallography, X-RayEnzyme ActivationHumansLigandsMiceModels, MolecularMutationNeoplasmsNIH 3T3 CellsProtein BindingProtein FoldingProtein Interaction Domains and MotifsProtein MultimerizationProtein Structure, SecondaryProto-Oncogene Proteins c-kitRecombinant ProteinsSf9 CellsSpodopteraConceptsOncogenic KIT mutationsKIT mutationsGastrointestinal stromal tumorsAcute myeloid leukemiaKIT tyrosine kinase activitySomatic oncogenic mutationsInterstitial pacemaker cellsLigand-dependent stimulationReceptor tyrosine kinase KITStromal tumorsTyrosine kinase KITMyeloid leukemiaReceptor activationPacemaker cellsTyrosine kinase activityCancerKinase KITOncogenic mutationsHematopoietic cellsGerm cellsOncogenic activationActivationCellsReceptor moleculesMutationsStructure, domain organization, and different conformational states of stem cell factor-induced intact KIT dimers
Opatowsky Y, Lax I, Tomé F, Bleichert F, Unger VM, Schlessinger J. Structure, domain organization, and different conformational states of stem cell factor-induced intact KIT dimers. Proceedings Of The National Academy Of Sciences Of The United States Of America 2014, 111: 1772-1777. PMID: 24449920, PMCID: PMC3918759, DOI: 10.1073/pnas.1323254111.Peer-Reviewed Original ResearchConceptsExtracellular regionConformational statesIg-like domainsReceptor tyrosine kinasesDifferent conformational statesTrans autophosphorylationTyrosine kinase domainMembrane-proximal Ig-like domainsTrans phosphorylationAutophosphorylation sitesDomain organizationKinase domainCytoplasmic regionHomotypic interactionsKinase activityReceptor dimersDimeric receptorTyrosine kinaseAsymmetric arrangementMolecular interactionsPrevalent conformationsCrystal structureAutophosphorylationDimersKinase
2013
Structural basis for KIT receptor tyrosine kinase inhibition by antibodies targeting the D4 membrane-proximal region
Reshetnyak AV, Nelson B, Shi X, Boggon TJ, Pavlenco A, Mandel-Bausch EM, Tome F, Suzuki Y, Sidhu SS, Lax I, Schlessinger J. Structural basis for KIT receptor tyrosine kinase inhibition by antibodies targeting the D4 membrane-proximal region. Proceedings Of The National Academy Of Sciences Of The United States Of America 2013, 110: 17832-17837. PMID: 24127596, PMCID: PMC3816449, DOI: 10.1073/pnas.1317118110.Peer-Reviewed Original ResearchConceptsKIT antibodyReceptor tyrosine kinase inhibitionGastrointestinal stromal tumorsAcute myeloid leukemiaDurable disease controlTyrosine kinase inhibitorsTyrosine kinase inhibitionSomatic oncogenic mutationsUnique therapeutic approachClinical progressionStromal tumorsMyeloid leukemiaTherapeutic approachesDramatic responseTreatment of KITDrug resistanceDisease controlIsolated antibodyKIT inhibitionKinase inhibitorsAntibodiesCancerCell proliferationOncogenic mutationsKinase inhibition
2010
Asymmetric receptor contact is required for tyrosine autophosphorylation of fibroblast growth factor receptor in living cells
Bae JH, Boggon TJ, Tomé F, Mandiyan V, Lax I, Schlessinger J. Asymmetric receptor contact is required for tyrosine autophosphorylation of fibroblast growth factor receptor in living cells. Proceedings Of The National Academy Of Sciences Of The United States Of America 2010, 107: 2866-2871. PMID: 20133753, PMCID: PMC2840318, DOI: 10.1073/pnas.0914157107.Peer-Reviewed Original ResearchConceptsReceptor tyrosine kinasesTyrosine autophosphorylationKinase moleculesTyrosine kinaseFGFR1 kinase domainSpecific docking sitesAsymmetric dimer formationFibroblast growth factor receptorActivation of intracellularKinase domainOncogenic activating mutationsGrowth factor receptorMolecular basisDocking siteKinase activityBiochemical experimentsActive enzymeN-lobeC-lobeFGF receptorsFunction mutationsAutophosphorylationTransphosphorylationLiving cellsFactor receptor
2009
The Selectivity of Receptor Tyrosine Kinase Signaling Is Controlled by a Secondary SH2 Domain Binding Site
Bae JH, Lew ED, Yuzawa S, Tomé F, Lax I, Schlessinger J. The Selectivity of Receptor Tyrosine Kinase Signaling Is Controlled by a Secondary SH2 Domain Binding Site. Cell 2009, 138: 514-524. PMID: 19665973, PMCID: PMC4764080, DOI: 10.1016/j.cell.2009.05.028.Peer-Reviewed Original ResearchConceptsSH2 domainSH2 domain-mediated interactionsReceptor tyrosine kinase signalingPhosphorylation-independent mannerReceptor phosphorylation sitesDomain-mediated interactionsDomain Binding SiteSpecific cellular processesTyrosine kinase signalingParticular sequence motifsReceptor tyrosine kinasesBinding sitesTyrosine kinase domainPhosphorylation sitesCellular processesSequence motifsPhospholipase CgammaKinase signalingKinase domainTyrosine kinaseSecondary binding siteCultured cellsDomain selectivityRegulation of selectivityIndependent manner