2010
Nucleobindin 1 Is a Calcium-regulated Guanine Nucleotide Dissociation Inhibitor of Gαi1 *
Kapoor N, Gupta R, Menon ST, Folta-Stogniew E, Raleigh DP, Sakmar TP. Nucleobindin 1 Is a Calcium-regulated Guanine Nucleotide Dissociation Inhibitor of Gαi1 *. Journal Of Biological Chemistry 2010, 285: 31647-31660. PMID: 20679342, PMCID: PMC2951237, DOI: 10.1074/jbc.m110.148429.Peer-Reviewed Original ResearchConceptsNucleobindin-1Dissociation inhibitorHeterotrimeric G protein α subunitsGuanine Nucleotide Dissociation InhibitorG protein α subunitsNucleotide Dissociation InhibitorHeterotrimeric G proteinsProtein α subunitsReceptor-mediated signal transduction pathwaysSignal transduction pathwaysGoLoco motifGDI activityProtein traffickingRGS proteinsBiochemical functionsTransduction pathwaysGDP releaseΑ-subunitCalcium-binding proteinsG proteinsConformational changesBiochemical propertiesTissue culture experimentsFluorescence spectroscopy experimentsAdenylyl cyclaseQuantitative Characterization of the Interactions among c-myc Transcriptional Regulators FUSE, FBP, and FIR
Hsiao HH, Nath A, Lin CY, Folta-Stogniew EJ, Rhoades E, Braddock DT. Quantitative Characterization of the Interactions among c-myc Transcriptional Regulators FUSE, FBP, and FIR. Biochemistry 2010, 49: 4620-4634. PMID: 20420426, DOI: 10.1021/bi9021445.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceBase SequenceCarrier ProteinsDimerizationDNA HelicasesDNA-Binding ProteinsGuanine Nucleotide Exchange FactorsHumansModels, MolecularMolecular Sequence DataNucleic Acid ConformationProtein BindingProto-Oncogene Proteins c-mycRepressor ProteinsRho Guanine Nucleotide Exchange FactorsRNA Splicing FactorsRNA-Binding ProteinsSolutionsTrans-ActivatorsConceptsDNA strand preferencesProtein-DNA interactionsC-myc transcriptionPotent oncogenic factorHuman c-mycFBP bindsTranscriptional regulationActive transcriptionNear-physiological conditionsTripartite interactionCell homeostasisInhibitory complexStrand preferenceC-MycOncogenic factorRegulatory systemUnique modeTranscriptionStrand DNABiological experimentsComplex formationLow micromolar rangeDNADifferent conformationsMicromolar range
2007
Dimerization of FIR upon FUSE DNA binding suggests a mechanism of c‐myc inhibition
Crichlow GV, Zhou H, Hsiao HH, Frederick KB, Debrosse M, Yang Y, Folta-Stogniew EJ, Chung HJ, Fan C, De La Cruz EM, Levens D, Lolis E, Braddock D. Dimerization of FIR upon FUSE DNA binding suggests a mechanism of c‐myc inhibition. The EMBO Journal 2007, 27: 277-289. PMID: 18059478, PMCID: PMC2206118, DOI: 10.1038/sj.emboj.7601936.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsCrystallography, X-RayDimerizationDNADNA HelicasesDNA-Binding ProteinsDrosophila ProteinsGene Expression RegulationHumansMagnetic Resonance SpectroscopyMolecular Sequence DataPromoter Regions, GeneticProtein BindingProto-Oncogene Proteins c-mycRepressor ProteinsRNA Splicing FactorsRNA-Binding ProteinsTranscription Factor TFIIHConceptsRRM domainDNA bindingFirst RRM domainSecond RRM domainC-myc transcriptional controlSite-directed mutationsDNA upstreamTranscriptional controlInfluences transcriptionC-Myc inhibitionNucleic acid recognitionPromoter sitesP1 promoterAnalogous mutationCell homeostasisC-MycTFIIHProteinLight scattering revealBinding sitesDNATranscriptionSingle strandsMutationsSize exclusion chromatographyThe structural basis of cyclic diguanylate signal transduction by PilZ domains
Benach J, Swaminathan SS, Tamayo R, Handelman SK, Folta‐Stogniew E, Ramos JE, Forouhar F, Neely H, Seetharaman J, Camilli A, Hunt JF. The structural basis of cyclic diguanylate signal transduction by PilZ domains. The EMBO Journal 2007, 26: 5153-5166. PMID: 18034161, PMCID: PMC2140105, DOI: 10.1038/sj.emboj.7601918.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsBacterial ProteinsBinding SitesCrystallography, X-RayCyclic GMPHumansMiceModels, MolecularMolecular ConformationMolecular Sequence DataPhylogenyProtein BindingProtein Structure, QuaternaryProtein Structure, SecondaryProtein Structure, TertiarySequence AlignmentSequence Homology, Amino AcidSignal TransductionVibrio choleraeConceptsPilZ domain-containing proteinsPilZ domainDomain-containing proteinsN-terminal domainConformational switchSecond messenger cyclic diguanylateBeta-barrel foldN-terminal loopEvolutionary diversificationCyclic diguanylateSignal transductionBioinformatics analysisStructural basisInteraction surfaceSessile growthEffector pathwaysVibrio choleraeProteinV. choleraeGMPCholeraeDomainClose appositionDiguanylateEubacteria