2024
EGFR targeting PhosTACs as a dual inhibitory approach reveals differential downstream signaling
Hu Z, Chen P, Li W, Krone M, Zheng S, Saarbach J, Velasco I, Hines J, Liu Y, Crews C. EGFR targeting PhosTACs as a dual inhibitory approach reveals differential downstream signaling. Science Advances 2024, 10: eadj7251. PMID: 38536914, PMCID: PMC10971414, DOI: 10.1126/sciadv.adj7251.Peer-Reviewed Original ResearchMeSH KeywordsApoptosisCell Line, TumorErbB ReceptorsHumansPhosphorylationProteolysis Targeting ChimeraSignal TransductionTyrosineConceptsInhibit cancer cell viabilityProteome-wide levelCancer cell viabilityDifferential signaling pathwaysPhosphoproteomic approachTyrosine dephosphorylationProtein dephosphorylationSignal transductionActivating dephosphorylationInduce apoptosisReceptor tyrosine kinase inhibitorsRTK activationSignaling pathwayInhibition of kinasesDephosphorylationEpidermal growth factor receptorGrowth factor receptorCell viabilityFactor receptorInhibitory approachesTyrosineTyrosine kinase inhibitorsInhibitory effectInhibitory potentialKinase inhibitors
2021
Modulation of Phosphoprotein Activity by Phosphorylation Targeting Chimeras (PhosTACs)
Chen PH, Hu Z, An E, Okeke I, Zheng S, Luo X, Gong A, Jaime-Figueroa S, Crews CM. Modulation of Phosphoprotein Activity by Phosphorylation Targeting Chimeras (PhosTACs). ACS Chemical Biology 2021, 16: 2808-2815. PMID: 34780684, PMCID: PMC10437008, DOI: 10.1021/acschembio.1c00693.Peer-Reviewed Original ResearchConceptsSer/Thr phosphataseChemical biology approachPP2A holoenzymeProtein dephosphorylationBiology approachProtein substratesTranscriptional activationProtein phosphorylationCatalytic subunitCell biologyReporter geneProtein activityRetinoblastoma proteinOff-target effectsCritical proteinsDephosphorylationTernary complexPhosphorylationKinase inhibitorsFOXO3aPROTACsProteinChimerasPhosphataseDrug resistance
2013
Posttranslational protein knockdown coupled to receptor tyrosine kinase activation with phosphoPROTACs
Hines J, Gough JD, Corson TW, Crews CM. Posttranslational protein knockdown coupled to receptor tyrosine kinase activation with phosphoPROTACs. Proceedings Of The National Academy Of Sciences Of The United States Of America 2013, 110: 8942-8947. PMID: 23674677, PMCID: PMC3670320, DOI: 10.1073/pnas.1217206110.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnalysis of VarianceAnimalsChromatography, High Pressure LiquidEnzyme ActivationFemaleGene Knockdown TechniquesHumansImmunoblottingMCF-7 CellsMiceMolecular Sequence DataMolecular StructurePC12 CellsPhosphatidylinositol 3-KinasesPhosphorylationProtein Processing, Post-TranslationalProteolysisRatsReceptor Protein-Tyrosine KinasesReceptor, ErbB-3Receptor, Fibroblast Growth Factor, Type 2Receptor, trkASignal TransductionStreptavidinVon Hippel-Lindau Tumor Suppressor ProteinConceptsGrowth factor receptorProtein knockdownFibroblast growth factor receptor substrateVon Hippel-Lindau proteinSpecific receptor tyrosine kinasesKinase-mediated phosphorylationReceptor tyrosine kinase pathwaysFactor receptorKinase signal pathwayTyrosine kinase activationReceptor tyrosine kinasesTyrosine kinase pathwayConditional degradationPhosphorylation sequenceKinase pathwayReceptor substrateKinase activationNucleic acid-based strategiesLindau proteinTarget protein knockdownSpecific proteinsTyrosine kinaseCell-type selectivityNerve growth factor receptorKnockdown
2006
Probing Protein Function with Small Molecules
Gough JD, Crews CM. Probing Protein Function with Small Molecules. Ernst Schering Foundation Symposium Proceedings 2006, 58: 61-74. PMID: 16708999, DOI: 10.1007/978-3-540-37635-4_5.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBiotinylationCombinatorial Chemistry TechniquesDrug DesignDrug Evaluation, PreclinicalGenomicsGreen Fluorescent ProteinsHumansKetonesModels, ChemicalMolecular Probe TechniquesNanotechnologyOligopeptidesPhosphorylationProtein BindingProteinsReceptors, AndrogenRecombinant Fusion ProteinsSerineSesquiterpenesSignal TransductionUbiquitin-Protein Ligases
1993
Raf-1 forms a stable complex with Mek1 and activates Mek1 by serine phosphorylation.
Huang W, Alessandrini A, Crews CM, Erikson RL. Raf-1 forms a stable complex with Mek1 and activates Mek1 by serine phosphorylation. Proceedings Of The National Academy Of Sciences Of The United States Of America 1993, 90: 10947-10951. PMID: 8248196, PMCID: PMC47898, DOI: 10.1073/pnas.90.23.10947.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsEnzyme ActivationIn Vitro TechniquesMacromolecular SubstancesMAP Kinase Kinase 1MiceMitogen-Activated Protein Kinase KinasesPhosphorylationPhosphoserineProtein BindingProtein Serine-Threonine KinasesProtein-Tyrosine KinasesProto-Oncogene ProteinsProto-Oncogene Proteins c-rafRecombinant ProteinsReconstitution of the Raf-1-MEK-ERK signal transduction pathway in vitro.
Macdonald SG, Crews CM, Wu L, Driller J, Clark R, Erikson RL, McCormick F. Reconstitution of the Raf-1-MEK-ERK signal transduction pathway in vitro. Molecular And Cellular Biology 1993, 13: 6615-6620. PMID: 8413257, PMCID: PMC364724, DOI: 10.1128/mcb.13.11.6615.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBaculoviridaeCell LineCloning, MolecularGenes, rasGenes, srcHumansMAP Kinase Kinase 1Mitogen-Activated Protein Kinase KinasesMothsMutagenesis, Site-DirectedPhosphorylationPolymerase Chain ReactionProtein Serine-Threonine KinasesProtein-Tyrosine KinasesProto-Oncogene ProteinsProto-Oncogene Proteins c-rafProto-Oncogene Proteins p21(ras)Recombinant ProteinsSignal TransductionTransfectionConceptsRaf-1V-SrcV-rasSf9 cellsGlutathione S-transferase fusion proteinS-transferase fusion proteinSerine/threonine kinaseProtein kinase C phosphorylationKinase-inactive versionERK signal transduction pathwayKinase-inactive mutantRaf-1 phosphorylationKinase C phosphorylationSignal transduction pathwaysRaf-1-MEKActivation of MEKTyrosine kinase oncogenesProtein kinase CAutokinase activityFunction upstreamThreonine kinaseDirect substrateMEK activationTransduction pathwaysC phosphorylationExtracellular signals and reversible protein phosphorylation: What to Mek of it all
Crews C, Erikson R. Extracellular signals and reversible protein phosphorylation: What to Mek of it all. Cell 1993, 74: 215-217. PMID: 8343948, DOI: 10.1016/0092-8674(93)90411-i.Peer-Reviewed Original Research
1992
The Primary Structure of MEK, a Protein Kinase that Phosphorylates the ERK Gene Product
Crews C, Alessandrini A, Erikson R. The Primary Structure of MEK, a Protein Kinase that Phosphorylates the ERK Gene Product. Science 1992, 258: 478-480. PMID: 1411546, DOI: 10.1126/science.1411546.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsBase SequenceCalcium-Calmodulin-Dependent Protein KinasesGene ExpressionMAP Kinase Kinase 1MiceMitogen-Activated Protein Kinase KinasesMolecular Sequence DataPhosphorylationProtein KinasesProtein Serine-Threonine KinasesProteinsProtein-Tyrosine KinasesRNA, MessengerSequence AlignmentConceptsExtracellular signal-regulated kinaseProtein kinaseMAP kinaseGene productsCritical protein kinaseSignal-regulated kinaseComplementary DNA sequenceMEK genesExtracellular signalsERK kinaseMultiple biochemical signalsDNA sequencesBiochemical signalsPrimary structureKinaseAmino acidsEnzymatic activityGenesMurine brainSequenceSchizosaccharomycesMEK1MEKThreonineProteinPurification of a murine protein-tyrosine/threonine kinase that phosphorylates and activates the Erk-1 gene product: relationship to the fission yeast byr1 gene product.
Crews CM, Erikson RL. Purification of a murine protein-tyrosine/threonine kinase that phosphorylates and activates the Erk-1 gene product: relationship to the fission yeast byr1 gene product. Proceedings Of The National Academy Of Sciences Of The United States Of America 1992, 89: 8205-8209. PMID: 1381507, PMCID: PMC49886, DOI: 10.1073/pnas.89.17.8205.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsEnzyme ActivationFungal ProteinsGenesMiceMitogen-Activated Protein Kinase 3Mitogen-Activated Protein KinasesMolecular Sequence DataPeptide FragmentsPhosphorylationPhosphoserinePhosphothreoninePhosphotyrosineProtein KinasesRecombinant ProteinsSequence AlignmentTyrosineConceptsGene productsProtein kinaseSerine/threonine phosphatase 2AMyelin basic protein kinaseProtein tyrosine phosphatase 1B.MAPK/ERK kinaseSignal transduction mechanismsPossible signal transduction mechanismsERK-1 proteinSte7 genePhosphatase 2AThreonine kinaseERK kinaseERK-1Tyrosine residuesSequence analysisKinaseTransduction mechanismsMEKTrypsin digestionProteinByr1PurificationGenesLesser extentPhorbol ester stimulates a protein-tyrosine/threonine kinase that phosphorylates and activates the Erk-1 gene product.
Alessandrini A, Crews CM, Erikson RL. Phorbol ester stimulates a protein-tyrosine/threonine kinase that phosphorylates and activates the Erk-1 gene product. Proceedings Of The National Academy Of Sciences Of The United States Of America 1992, 89: 8200-8204. PMID: 1518847, PMCID: PMC49885, DOI: 10.1073/pnas.89.17.8200.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBase SequenceCells, CulturedIn Vitro TechniquesMiceMitogen-Activated Protein Kinase 3Mitogen-Activated Protein KinasesMolecular Sequence DataMutagenesis, Site-DirectedOligodeoxyribonucleotidesPeptide MappingPhorbol EstersPhosphorylationPhosphothreonineProtein KinasesProtein-Tyrosine KinasesT-LymphocytesConceptsProtein kinase activityProtein kinaseGene productsKinase activityMyelin basic protein kinaseMyelin basic protein kinase activityMultiple extracellular signalsUpstream protein kinaseWild-type proteinIdentification of proteinsAmino acid residuesSame amino acid residuesERK-1 proteinDegree of phosphorylationReversible phosphorylationThreonine sitesThreonine kinaseExtracellular signalsTyrosine sitesAcid residuesKinasePhosphorylationPhorbol esterProteinThreonineErks: their fifteen minutes has arrived.
Crews CM, Alessandrini A, Erikson RL. Erks: their fifteen minutes has arrived. Molecular Cancer Research 1992, 3: 135-42. PMID: 1504018.Peer-Reviewed Original ResearchConceptsProtein kinaseCell cycleYeast cellsTyrosine kinase signalsERK protein kinasesSea star oocytesSpecific transcriptional factorsAmino acid residuesSpecific differentiation eventsG0-G1 transitionExtracellular signalsKinase signalsPhosphorylation signalsSignal transductionTranscriptional changesS6 kinaseRaf-1Differentiation eventsMitogenic signalsYeast enzymeGene productsMicrotubule reorganizationDownstream targetsTranscriptional factorsEGF receptor