1997
Structure of the Transmembrane Cysteine Residues in Phospholamban
Arkin I, Adams P, Brünger A, Aimoto S, Engelman D, Smith S. Structure of the Transmembrane Cysteine Residues in Phospholamban. The Journal Of Membrane Biology 1997, 155: 199-206. PMID: 9050443, DOI: 10.1007/s002329900172.Peer-Reviewed Original ResearchConceptsTransmembrane domainCysteine residuesSide chainsPentameric complexCysteine side chainsTransmembrane cysteine residuesLong α-helixIntrahelical hydrogen bondsBackbone carbonyl oxygenSelective ion channelsPolar side chainsElectrostatic potential fieldCarbonyl oxygenSulfhydryl groupsHydrogen bondsMembrane proteinsWild-type phospholambanVibrational spectraMutagenesis studiesTransmembrane peptidesAlanine substitutionsMolecular dynamicsReticulum membraneElectrostatic calculationsΑ-helix
1996
Mapping the lipid-exposed surfaces of membrane proteins
Arkin I, MacKenzie K, Fisher L, Aimoto S, Engelman D, Smith S. Mapping the lipid-exposed surfaces of membrane proteins. Nature Structural & Molecular Biology 1996, 3: 240-243. PMID: 8605625, DOI: 10.1038/nsb0396-240.Peer-Reviewed Original ResearchConceptsMembrane proteinsLong transmembrane helixLipid-exposed surfaceThree-dimensional foldHigh-resolution structuresRelative rotational orientationTransmembrane helicesTransmembrane segmentsThird cysteineCysteine residuesLipid environmentHelix interfacePentameric complexProteinLipid interfaceStable complexesHelixResiduesUndergoes exchangeSulphydryl groupsPhospholambanComplexesInternal faceCysteineRotational orientation
1995
Structural Model of the Phospholamban Ion Channel Complex in Phospholipid Membranes
Arkin I, Rothman M, Ludlam C, Aimoto S, Engelman D, Rothschild K, Smith S. Structural Model of the Phospholamban Ion Channel Complex in Phospholipid Membranes. Journal Of Molecular Biology 1995, 248: 824-834. PMID: 7752243, DOI: 10.1006/jmbi.1995.0263.Peer-Reviewed Original ResearchConceptsSelective ion conductanceTransmembrane domainAmino acid residuesN-terminal 30 amino acid residuesAcid residuesCircular dichroismPentameric protein complexFull-length proteinC-terminal 22 amino acid residuesPhospholipid membranesIon channel complexTransmembrane helicesProtein complexesPhosphorylation sitesMembrane proteinsIon conductanceCarboxy terminusHelix bundleIon poreReticulum membraneInhibitory complexLong helixPentameric complexSecondary structureProtein