2001
Conversion of Phospholamban into a Soluble Pentameric Helical Bundle †
Li H, Cocco M, Steitz T, Engelman D. Conversion of Phospholamban into a Soluble Pentameric Helical Bundle †. Biochemistry 2001, 40: 6636-6645. PMID: 11380258, DOI: 10.1021/bi0026573.Peer-Reviewed Original ResearchConceptsMembrane proteinsLipid-exposed surfaceMembrane protein phospholambanLaser lightX-ray scatteringTransmembrane domainHelical bundleWild-type phospholambanOligomeric stateNative phospholambanPolar residuesSimilar foldHydrophobic residuesSoluble proteinReticulum membraneSmall-angle X-ray scatteringHelical pentamersProtein phospholambanSoluble variantProteinNatural proteinsNMR experimentsNative contactsMultiangle laser lightSarcoplasmic reticulum membranesPolar residues drive association of polyleucine transmembrane helices
Zhou F, Merianos H, Brunger A, Engelman D. Polar residues drive association of polyleucine transmembrane helices. Proceedings Of The National Academy Of Sciences Of The United States Of America 2001, 98: 2250-2255. PMID: 11226225, PMCID: PMC30124, DOI: 10.1073/pnas.041593698.Peer-Reviewed Original ResearchConceptsPolar residuesPolyleucine sequenceHelix associationTransmembrane helix associationInterhelical hydrogen bondingTransmembrane protein functionTransmembrane helicesForm homoProtein functionTransmembrane proteinDrive associationMembrane proteinsDetergent micellesAsparagine residuesGeneral structural featuresBiological membranesResiduesOligomerization specificityProteinSequenceHelixStructural flexibilitySuch interactionsStructural featuresHeterooligomers
2000
Interhelical hydrogen bonding drives strong interactions in membrane proteins
Xiao Zhou F, Cocco M, Russ W, Brunger A, Engelman D. Interhelical hydrogen bonding drives strong interactions in membrane proteins. Nature Structural & Molecular Biology 2000, 7: 154-160. PMID: 10655619, DOI: 10.1038/72430.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid MotifsAmino Acid SequenceAsparagineCell MembraneChloramphenicol O-AcetyltransferaseCircular DichroismDetergentsDimerizationDNA-Binding ProteinsElectrophoresis, Polyacrylamide GelFungal ProteinsGlycophorinsHydrogen BondingLeucine ZippersMagnetic Resonance SpectroscopyMembrane ProteinsMicellesMicrococcal NucleaseMolecular Sequence DataPeptidesProtein ConformationProtein KinasesProtein Structure, SecondaryRecombinant ProteinsSaccharomyces cerevisiae ProteinsConceptsMembrane proteinsHelix associationTransmembrane α-helicesIntegral membrane proteinsInterhelical hydrogen bondingModel transmembrane helixTransmembrane helicesMembrane helicesGCN4 leucine zipperLeucine zipperPolar residuesSoluble proteinHydrophobic leucineΑ-helixBiological membranesProteinHelixNon-specific interactionsValine (HAV) sequenceMembraneZipperFoldingMotifAsparagineResidues
1999
TOXCAT: A measure of transmembrane helix association in a biological membrane
Russ W, Engelman D. TOXCAT: A measure of transmembrane helix association in a biological membrane. Proceedings Of The National Academy Of Sciences Of The United States Of America 1999, 96: 863-868. PMID: 9927659, PMCID: PMC15316, DOI: 10.1073/pnas.96.3.863.Peer-Reviewed Original ResearchMeSH KeywordsATP-Binding Cassette TransportersBacterial ProteinsBase SequenceCarrier ProteinsCell MembraneChloramphenicol O-AcetyltransferaseDNA PrimersDNA-Binding ProteinsEscherichia coliEscherichia coli ProteinsGene LibraryGenes, ReporterGenetic Complementation TestMacromolecular SubstancesMaltose-Binding ProteinsMembrane ProteinsModels, MolecularMolecular Sequence DataMonosaccharide Transport ProteinsPeriplasmic Binding ProteinsProtein FoldingProtein Structure, SecondaryRecombinant Fusion ProteinsSpheroplastsTranscription FactorsConceptsTOXCAT systemDetergent micellesHelical membrane proteinsN-terminal DNATransmembrane helix associationTransmembrane alpha-helixReporter gene encoding chloramphenicolNatural membrane environmentGene encoding chloramphenicolTransmembrane domainTM associationTM dimerizationMembrane proteinsMembrane environmentOligomerization motifPolar residuesAlpha-helixHelix associationSequence specificityChimeric constructsCAT expressionBiological membranesFundamental eventNoncovalent associationAssay distinguishes