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 membranes
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
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