2014
Probing large conformational rearrangements in wild-type and mutant spectrin using structural mass spectrometry
Sriswasdi S, Harper SL, Tang HY, Gallagher PG, Speicher DW. Probing large conformational rearrangements in wild-type and mutant spectrin using structural mass spectrometry. Proceedings Of The National Academy Of Sciences Of The United States Of America 2014, 111: 1801-1806. PMID: 24453214, PMCID: PMC3918770, DOI: 10.1073/pnas.1317620111.Peer-Reviewed Original ResearchConceptsMass spectrometryConformational changesStructural mass spectrometryLarge conformational rearrangementsCell membraneMembrane integrityMass spectrometry characterizationRed cell spectrinUnidentified mechanistic insightCell membrane integrityProtein complexesMacromolecular complexesDiverse functionsCell shapeBiological processesFlexible proteinsConformational rearrangementsDimer-tetramer equilibriumRed cell membraneOpen dimersCell typesΑ-spectrinKey mechanistic roleTetramerization siteBiophysical data
2011
Chromatin boundaries require functional collaboration between the hSET1 and NURF complexes
Li X, Wang S, Li Y, Deng C, Steiner LA, Xiao H, Wu C, Bungert J, Gallagher PG, Felsenfeld G, Qiu Y, Huang S. Chromatin boundaries require functional collaboration between the hSET1 and NURF complexes. Blood 2011, 118: 1386-1394. PMID: 21653943, PMCID: PMC3152501, DOI: 10.1182/blood-2010-11-319111.Peer-Reviewed Original ResearchConceptsErythroid genesInsulator sitesBarrier activityActive chromatin structureNucleosome remodeling activitiesChromatin barrier activityHistone H3K4 methyltransferaseChicken β-globinChromatin boundariesNURF complexChromatin structureInsulator functionNucleosome positioningMultiprotein complexesProtein complexesH3K4 methyltransferaseHS4 insulatorChromatin insulatorNURFH3K27me3 levelsLoci resultsLinker regionKnock-downΒ-globinFunctional collaboration