1992
Elution and Internal Amino Acid Sequencing of PVDF-Blotted Proteins
Stone K, LoPresti M, Williams K, Mcnulty D, Crawford J, DeAngelis R. Elution and Internal Amino Acid Sequencing of PVDF-Blotted Proteins. 1992, 23-34. DOI: 10.1016/b978-0-12-058756-8.50008-0.Peer-Reviewed Original ResearchPVDF membranePolyacrylamide gel electrophoresisPolyvinylidene difluoride membraneTryptic digestMolecular weightReversed-phase HPLCSDS-polyacrylamide gel electrophoresisHigh yieldsTotal purificationDifluoride membraneEnzymatic cleavageTryptic peptidesPhase HPLCCyanogen bromide peptidesCyanogen bromide cleavageCleavageInternal amino acid sequencingGel electrophoresisPeptidesAmino acid sequencingMembraneElutionPurification
1990
[21] Reversed-phase high-performance liquid chromatography for fractionation of enzymatic digests and chemical cleavage products of proteins
Stone K, Elliott J, Peterson G, McMurray W, Williams K. [21] Reversed-phase high-performance liquid chromatography for fractionation of enzymatic digests and chemical cleavage products of proteins. Methods In Enzymology 1990, 193: 389-412. PMID: 2074828, DOI: 10.1016/0076-6879(90)93429-o.Peer-Reviewed Original ResearchConceptsHigh-performance liquid chromatographyReversed-phase high-performance liquid chromatographyReversed phase high performance liquid chromatographyLiquid chromatographyEnzymatic digestsHigh peak capacityMass spectrometric approachProtein chemistsSpectrometric approachMass spectrometryPeak capacityComplex mixturesMolecular weightChemical cleavageGradient timeCleavage productsChromatographyTryptic peptidesPeptidesDigestsChemistsSpectrometryFractionationProductsPrimary structure
1986
Escherichia coli exonuclease VII. Cloning and sequencing of the gene encoding the large subunit (xseA).
Chase J, Rabin B, Murphy J, Stone K, Williams K. Escherichia coli exonuclease VII. Cloning and sequencing of the gene encoding the large subunit (xseA). Journal Of Biological Chemistry 1986, 261: 14929-14935. PMID: 3021756, DOI: 10.1016/s0021-9258(18)66806-1.Peer-Reviewed Original ResearchConceptsExonuclease VII activityLarge subunitStandard E. coli genetic mapE. coli genetic mapEscherichia coli exonuclease VIIDeletion mutant strainAmino acid sequenceGenetic mapGene productsAcid sequenceMutant strainActive enzymeCell extractsBase pairsGenesExonuclease VIIAmino acidsSubunitsProteinSequenceGuaBXseACloningPromoterMolecular weight
1985
Identification of a nucleic acid helix-destabilizing protein from rat liver as lactate dehydrogenase-5.
Williams K, Reddigari S, Patel G. Identification of a nucleic acid helix-destabilizing protein from rat liver as lactate dehydrogenase-5. Proceedings Of The National Academy Of Sciences Of The United States Of America 1985, 82: 5260-5264. PMID: 2991914, PMCID: PMC390547, DOI: 10.1073/pnas.82.16.5260.Peer-Reviewed Original ResearchConceptsHelix-destabilizing proteinSs-DNAAmino acid compositionHPLC tryptic peptide mapsNucleic acid helix-destabilizing proteinSolid-phase protein sequencingChemical modification studiesCoenzyme binding siteTyrosine-238Molecular weightSimilar amino acid compositionsTryptic peptide mapsAcid compositionLactate dehydrogenase 5Molecular homogeneitySimilar specific activitiesProtein sequencingLDH proteinDNA bindingAmino terminusBiological roleSingle proteinM chainTryptic peptidesVivo role
1977
Purification and some properties of Escherichia coli tRNA nucleotidyltransferase.
Schofield P, Williams K. Purification and some properties of Escherichia coli tRNA nucleotidyltransferase. Journal Of Biological Chemistry 1977, 252: 5584-5588. PMID: 328503, DOI: 10.1016/s0021-9258(19)63390-9.Peer-Reviewed Original ResearchConceptsTransition metal chelating agentsMetal chelating agentsSodium dodecyl sulfate gel electrophoresisDodecyl sulfate gel electrophoresisSulfate gel electrophoresisTurnover numberChelating agentOverall yieldMolecular weightPure enzymeIsoelectric pointKey stepIdentical isoelectric pointsSephadex chromatographyCrude extractPurificationAffinity columnGel electrophoresisEscherichia coli tRNA nucleotidyltransferaseSpecific activityAssay conditionsChromatographyEnzymeTRNA nucleotidyltransferaseOptimal assay conditions