2023
Structure Determination of SH2–Phosphopeptide Complexes by X-Ray Crystallography: The Example of p120RasGAP
Stiegler A, Boggon T. Structure Determination of SH2–Phosphopeptide Complexes by X-Ray Crystallography: The Example of p120RasGAP. Methods In Molecular Biology 2023, 2705: 77-89. PMID: 37668970, PMCID: PMC11059313, DOI: 10.1007/978-1-0716-3393-9_5.Peer-Reviewed Original ResearchConceptsSrc homology 2SH2 domain bindsSH2 domainDomain bindsNew molecular-level insightsSH2 domain proteinsMolecular-level insightsX-ray crystallographyX-ray diffraction studiesDomain proteinsPartner proteinsHomology 2Three-dimensional structureMolecular detailsStructure determinationSuitable crystalsCanonical interactionsVapour-diffusion methodCareful structural analysisDrop vapor diffusion methodCrystallographic studiesCrystallography studiesSH2-phosphopeptide complexesDiffraction studiesP120RasGAP
2017
Phosphorylated cortactin recruits Vav2 guanine nucleotide exchange factor to activate Rac3 and promote invadopodial function in invasive breast cancer cells
Rosenberg BJ, Gil-Henn H, Mader CC, Halo T, Yin T, Condeelis J, Machida K, Wu YI, Koleske AJ. Phosphorylated cortactin recruits Vav2 guanine nucleotide exchange factor to activate Rac3 and promote invadopodial function in invasive breast cancer cells. Molecular Biology Of The Cell 2017, 28: 1347-1360. PMID: 28356423, PMCID: PMC5426849, DOI: 10.1091/mbc.e16-12-0885.Peer-Reviewed Original ResearchConceptsInvasive breast cancer cellsInvadopodium maturationBreast cancer cellsActin nucleation-promoting factorCancer cellsSH2 domain bindsHuman SH2 domainsMatrix degradationNucleation-promoting factorsGuanine nucleotide exchange factor Vav2Actin-rich protrusionsSubsequent cell invasionExchange factor Vav2Active Rac3Invasive MDA-MB-231 breast cancer cellsMDA-MB-231 breast cancer cellsInvadopodial functionSH2 domainDomain bindsExchange factorKinase cascadeCortactin phosphorylationActin polymerizationMutant formsInvadopodia
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