1992
Bacteriorhodopsin can be refolded from two independently stable transmembrane helices and the complementary five-helix fragment.
Kahn T, Engelman D. Bacteriorhodopsin can be refolded from two independently stable transmembrane helices and the complementary five-helix fragment. Biochemistry 1992, 31: 6144-51. PMID: 1627558, DOI: 10.1021/bi00141a027.Peer-Reviewed Original ResearchConceptsStable transmembrane helixSecond helical segmentX-ray diffractionCovalent connectionAbsorption spectroscopyTwo-dimensional crystalsIndependent folding domainsBacteriorhodopsinHelical segmentsNative structureHelixSpectroscopyPeptidesDiffractionTransmembrane helicesMoleculesCrystalsFragmentsMaterialsStructure
1985
Stability of transmembrane regions in bacteriorhodopsin studied by progressive proteolysis
Dumont M, Trewhella J, Engelman D, Richards F. Stability of transmembrane regions in bacteriorhodopsin studied by progressive proteolysis. The Journal Of Membrane Biology 1985, 88: 233-247. PMID: 3913776, DOI: 10.1007/bf01871088.Peer-Reviewed Original ResearchConceptsMolecular weight distributionFragments of bacteriorhodopsinVisible absorption spectraX-ray diffractionX-ray diffraction patternsDiffraction patternsAqueous mediaNative purple membraneUrea-polyacrylamide gel electrophoresisWeight distributionSmall soluble peptidesAbsorption spectraHydrophobic segmentsBacteriorhodopsin sequenceAmino acid analysisHigh-pressure liquid chromotographyPolyacrylamide gel electrophoresisDigestion conditionsPurple membraneOptical absorptionSoluble peptidesBacteriorhodopsinMembrane-embedded regionsLiquid chromotographyProducts of digestion
1971
Structural comparisons of native and reaggregated membranes from Mycoplasma laidlawii and erythrocytes by X-ray diffraction and nuclear magnetic resonance techniques
Metcalfe J, Metcalfe S, Engelman D. Structural comparisons of native and reaggregated membranes from Mycoplasma laidlawii and erythrocytes by X-ray diffraction and nuclear magnetic resonance techniques. Biochimica Et Biophysica Acta 1971, 241: 412-421. PMID: 5159791, DOI: 10.1016/0005-2736(71)90041-1.Peer-Reviewed Original ResearchMeSH KeywordsAcetoneAcholeplasma laidlawiiAlcoholsBacterial ProteinsBenzyl CompoundsBinding SitesCell MembraneCentrifugation, Density GradientChemical PrecipitationDetergentsDeuteriumDialysisErythrocytesLipidsMacromolecular SubstancesMagnetic Resonance SpectroscopyMicroscopy, ElectronMycoplasmaSulfatesUltracentrifugationX-Ray DiffractionConceptsRelaxation measurementsMagnetic relaxation measurementsNuclear magnetic relaxation measurementsNuclear magnetic resonance techniquesNative membranesProbe experimentsX-ray diffraction patternsX-ray diffractionMagnetic resonance techniquesSodium dodecyl sulfateLipid bilayer structureProbe techniqueProbe moleculesBenzyl alcoholResonance techniquesDiffraction patternsBilayer regionsDodecyl sulfateBilayer structureElectron microscopyMembrane systemStructural comparisonMeasurementsMembraneDiffraction