1996
Surface point mutations that significantly alter the structure and stability of a protein's denatured state
Smith C, Bu Z, Engelman D, Regan L, Anderson K, Sturtevant J. Surface point mutations that significantly alter the structure and stability of a protein's denatured state. Protein Science 1996, 5: 2009-2019. PMID: 8897601, PMCID: PMC2143264, DOI: 10.1002/pro.5560051007.Peer-Reviewed Original ResearchConceptsPoint mutationsDenatured stateStopped-flow fluorescenceDenaturant concentrationSolvent-exposed sitesStreptococcal protein GMutantsG mutantTertiary structureGuHCl denaturationEquilibrium intermediatesPosition 53B1 domainProteinCircular dichroismMutationsProtein GGuanidine hydrochlorideSmall-angle X-ray scatteringStructural implicationsX-ray scatteringFluorescenceThrRadius of gyrationDenaturants
1993
Mutations can cause large changes in the conformation of a denatured protein.
Flanagan J, Kataoka M, Fujisawa T, Engelman D. Mutations can cause large changes in the conformation of a denatured protein. Biochemistry 1993, 32: 10359-70. PMID: 8399179, DOI: 10.1021/bi00090a011.Peer-Reviewed Original ResearchConceptsAmino acid substitutionsPolypeptide chainSecondary structureCoil-like polymerAcid substitutionsCircular dichroism spectroscopySmall-angle X-ray scatteringSingle amino acid substitutionCarboxyl-terminal deletionsPersistent secondary structureResidual secondary structureX-ray scatteringUseful model systemDelta polypeptideSolvent conditionsDichroism spectroscopyConformational distributionCarboxyl terminusNative nucleaseRandom polymersAmino acidsSingle substitutionPolymersStaphylococcal nucleaseGlobular proteins