2009
Translocating cell‐impermeable molecules through the plasma membrane of cancer cells
THEVENIN D, An M, Andreev O, Reshetnyak Y, Engelman D. Translocating cell‐impermeable molecules through the plasma membrane of cancer cells. The FASEB Journal 2009, 23: 796.7-796.7. DOI: 10.1096/fasebj.23.1_supplement.796.7.Peer-Reviewed Original ResearchCell-impermeable moleculesCell-impermeable cargo moleculesDrug designLipid bilayersHost-guest modelMembrane-impermeable cargoNovel delivery systemPhysiological pHTraverse membranesModel cargoCancer cell membraneDelivery systemCargo moleculesMoleculesCargo propertiesBilayersPeptidesMembraneSingle amino acidPropertiesC-terminusAmino acidsPotential therapeutic agentTherapeutic agentsAcidity
2006
ph‐Triggered Transport of Molecules into Cells by Transmembrane Helix Insertion
Engelman D, Andreev O, Reshetnyak Y. ph‐Triggered Transport of Molecules into Cells by Transmembrane Helix Insertion. The FASEB Journal 2006, 20: a457-a457. DOI: 10.1096/fasebj.20.4.a457-b.Peer-Reviewed Original ResearchC-terminusTransmembrane helix insertionActin cytoskeletonHelix insertionPlasma membraneTransbilayer helicesTarget cellsCell contractilityBiophysical measurementsCancer cellsDisulfide linksCytoplasmCellsWater-soluble peptidesDiseased tissuesPeptidesMembraneAcidic pHCytoskeletonFluorescent dyeHelixPhalloidinAcidic environmentMoleculesInjection of molecules
1995
Small angle x-ray scattering studies of magnetically oriented lipid bilayers
Hare B, Prestegard J, Engelman D. Small angle x-ray scattering studies of magnetically oriented lipid bilayers. Biophysical Journal 1995, 69: 1891-1896. PMID: 8580332, PMCID: PMC1236422, DOI: 10.1016/s0006-3495(95)80059-7.Peer-Reviewed Original ResearchConceptsNuclear magnetic resonanceLipid bilayersMembrane-associated moleculesBilayer thicknessLipid particlesSmall-angle X-rayX-ray scatteringAngle X-rayNMR dataDLPC vesiclesOrientational parametersX-ray solutionMolar ratioPhospholipid moleculesStructural studiesOrientational energyPhospholipid bilayersAnalogue 3MoleculesBilayersInterparticle spacingX-rayMagnetic resonanceParticlesComplexes
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
1986
Reformation of crystalline purple membrane from purified bacteriorhodopsin fragments.
Popot J, Trewhella J, Engelman D. Reformation of crystalline purple membrane from purified bacteriorhodopsin fragments. The EMBO Journal 1986, 5: 3039-3044. PMID: 3792305, PMCID: PMC1167258, DOI: 10.1002/j.1460-2075.1986.tb04603.x.Peer-Reviewed Original Research
1982
[11] The identification of helical segments in the polypeptide chain of bacteriorhodopsin
Engelman D, Goldman A, Steitz T. [11] The identification of helical segments in the polypeptide chain of bacteriorhodopsin. Methods In Enzymology 1982, 88: 81-88. DOI: 10.1016/0076-6879(82)88014-2.Peer-Reviewed Original ResearchLysine amino groupsAqueous surfaceAqueous environmentAmino groupsModification of interestPurple membrane fragmentsElectron microscopyReagentsHelical segmentsMoleculesBacteriorhodopsin structureHelical regionSingle lysineSoluble enzymePolypeptide chainCyanogen bromide fragmentsDerivitizationProteolytic enzymesKind of modificationHelixMembraneMembrane fragmentsComplexesAminoModification
1981
Cholesteryl myristate conformation in liquid crystalline mesophases determined by neutron scattering.
Burks C, Engelman D. Cholesteryl myristate conformation in liquid crystalline mesophases determined by neutron scattering. Proceedings Of The National Academy Of Sciences Of The United States Of America 1981, 78: 6863-6867. PMID: 6947261, PMCID: PMC349152, DOI: 10.1073/pnas.78.11.6863.Peer-Reviewed Original ResearchConceptsLiquid crystalline mesophasesTerminal methyl groupSpecific molecular modelsCrystalline mesophasesEster moleculesConformational rangeCholesterol moietyPure phaseCholesteryl ester moleculesExtended conformationMethyl groupNeutron scatteringMolecular modelConformationIsotropic phaseThree-carbonMoleculesPersistence of atherosclerosisEstersCholesteryl myristateMesophasesMoiety
1980
Bacteriorhodopsin is an inside-out protein.
Engelman D, Zaccai G. Bacteriorhodopsin is an inside-out protein. Proceedings Of The National Academy Of Sciences Of The United States Of America 1980, 77: 5894-5898. PMID: 6934521, PMCID: PMC350178, DOI: 10.1073/pnas.77.10.5894.Peer-Reviewed Original ResearchConceptsAmino acid sequenceSingle bacteriorhodopsin moleculePurple membrane structureAcid sequenceAlpha-helixBacteriorhodopsin moleculesSoluble proteinBiosynthetic incorporationBacteriorhodopsin structureAmino acidsHalobacterium halobiumProteinMembrane structureValineMolecular interiorPurple membranePhenylalanineDifference Fourier techniquesLipid regionsHelixHalobiumMoleculesSequenceBacteriorhodopsinMembrane