2014
Structure, 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 ResearchMeSH KeywordsCrystallography, X-RayCytoplasmHumansImage Processing, Computer-AssistedModels, MolecularProtein MultimerizationProtein Structure, TertiaryProto-Oncogene Proteins c-kitStem Cell FactorConceptsExtracellular 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
2007
Structural Basis for Activation of the Receptor Tyrosine Kinase KIT by Stem Cell Factor
Yuzawa S, Opatowsky Y, Zhang Z, Mandiyan V, Lax I, Schlessinger J. Structural Basis for Activation of the Receptor Tyrosine Kinase KIT by Stem Cell Factor. Cell 2007, 130: 323-334. PMID: 17662946, DOI: 10.1016/j.cell.2007.05.055.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceBinding SitesCrystallography, X-RayDimerizationDiseaseEnzyme ActivationHumansLigandsModels, MolecularMolecular Sequence DataMutationProtein BindingProtein Structure, SecondaryProtein Structure, TertiaryProto-Oncogene Proteins c-kitStem Cell FactorStructure-Activity RelationshipConceptsStem cell factorReceptor dimerizationLigand-induced receptor dimerizationCell factorMultiple cellular responsesTyrosine kinase activationReceptor tyrosine kinase KITKIT dimerizationTyrosine kinase KITDomain D4Structural basisCritical residuesKinase activationSCF stimulationCellular responsesConformational changesOncogenic mutationsCultured cellsAmino acidsPoint mutationsKIT activationEntire ectodomainKinase KITKey hallmarksSole role