1990
Studies of the domain structure of mammalian DNA polymerase beta. Identification of a discrete template binding domain.
Kumar A, Widen S, Williams K, Kedar P, Karpel R, Wilson S. Studies of the domain structure of mammalian DNA polymerase beta. Identification of a discrete template binding domain. Journal Of Biological Chemistry 1990, 265: 2124-2131. PMID: 2404980, DOI: 10.1016/s0021-9258(19)39949-1.Peer-Reviewed Original ResearchConceptsNH2-terminal domainDNA polymerase betaLarge-scale overproductionPolymerase betaMammalian DNA polymerase betaCOOH-terminal domainProtease-sensitive regionNucleic acidsProteolysis experimentsRat proteinRecombinant proteinsPolypeptide chainDNA polymerase activityIntact proteinEscherichia coliAmino acidsTryptic peptidesDNA polymeraseDomain structureProteinPolymerase activityDomainPolymeraseAcidDNA
1988
Mammalian heterogeneous nuclear ribonucleoprotein complex protein A1. Large-scale overproduction in Escherichia coli and cooperative binding to single-stranded nucleic acids.
Cobianchi F, Karpel R, Williams K, Notario V, Wilson S. Mammalian heterogeneous nuclear ribonucleoprotein complex protein A1. Large-scale overproduction in Escherichia coli and cooperative binding to single-stranded nucleic acids. Journal Of Biological Chemistry 1988, 263: 1063-1071. PMID: 2447078, DOI: 10.1016/s0021-9258(19)35461-4.Peer-Reviewed Original ResearchMeSH KeywordsAmino AcidsBase SequenceCelluloseDNADNA, Single-StrandedEscherichia coliFluorescent DyesHeterogeneous Nuclear Ribonucleoprotein A1Heterogeneous-Nuclear Ribonucleoprotein Group A-BHeterogeneous-Nuclear RibonucleoproteinsMolecular Sequence DataPoly ARecombinant ProteinsRibonucleoproteinsRNAConceptsLarge-scale overproductionNH2-terminal domainTerminal domainDomain peptideCooperative protein-protein interactionsEscherichia coliProtein-induced fluorescence enhancementAmino acidsProtein-protein interactionsNucleic acidsAlpha-helix structureProtein A1Cooperative bindingAssociation constantsSynthetic polypeptide analogueProteinDirect interactionNatural proteinsRecombinant A1Low association constantsBindingIntact A1ColiFluorescence enhancementOverproduction
1986
Cloning of T4 gene 32 and expression of the wild-type protein under lambda promoter PL regulation in Escherichia coli.
Shamoo Y, Adari H, Konigsberg W, Williams K, Chase J. Cloning of T4 gene 32 and expression of the wild-type protein under lambda promoter PL regulation in Escherichia coli. Proceedings Of The National Academy Of Sciences Of The United States Of America 1986, 83: 8844-8848. PMID: 2947239, PMCID: PMC387029, DOI: 10.1073/pnas.83.23.8844.Peer-Reviewed Original ResearchConceptsGene 32T4 gene 32Bacteriophage T4 gene 32T4 DNA replicationWild-type proteinWild-type geneHost cell viabilityTranslational regulationCodon TAGDNA replicationNative promoterPromoter PLAutoregulatory regionRich sequencesRestriction fragmentsEscherichia coliTranscriptsCell viabilityProteinRegulationSynthetic oligodeoxynucleotidesDeleterious effectsCloningMutagenesisG32PGene 32 protein, the single-stranded DNA binding protein from bacteriophage T4, is a zinc metalloprotein.
Giedroc D, Keating K, Williams K, Konigsberg W, Coleman J. Gene 32 protein, the single-stranded DNA binding protein from bacteriophage T4, is a zinc metalloprotein. Proceedings Of The National Academy Of Sciences Of The United States Of America 1986, 83: 8452-8456. PMID: 3490667, PMCID: PMC386948, DOI: 10.1073/pnas.83.22.8452.Peer-Reviewed Original ResearchConceptsGene 32 proteinApo-g32PT4-infected Escherichia coliBacteriophage T4-infected Escherichia coliTyrosine-rich sequenceP-hydroxymercuriphenylsulfonatePlasmid pKC30Sequence CysBacteriophage T4Limited proteolysisConformational elementsEscherichia coliProteinDNAEDTA resultsG32PCysteineFragment ASide chainsPKC30ComplexesProteolysisColiSequenceLinear incorporation
1984
Characterization of the structural and functional defect in the Escherichia coli single-stranded DNA binding protein encoded by the ssb-1 mutant gene. Expression of the ssb-1 gene under lambda pL regulation.
Williams K, Murphy J, Chase J. Characterization of the structural and functional defect in the Escherichia coli single-stranded DNA binding protein encoded by the ssb-1 mutant gene. Expression of the ssb-1 gene under lambda pL regulation. Journal Of Biological Chemistry 1984, 259: 11804-11811. PMID: 6384214, DOI: 10.1016/s0021-9258(20)71283-4.Peer-Reviewed Original ResearchConceptsWild-type SSBMutant proteinsSSB-1Solid-phase protein sequencingSsb-1 mutationSSB-1 proteinHelix-destabilizing proteinNormal cellular concentrationTryptic peptide analysisSubstitution of tyrosineSingle-strand DNAProtein sequencingDNA sequencesMutant geneResidues 55Thermal melting transitionCellular concentrationTemperature inductionTetrameric structureEscherichia coliProteinGenesProtein concentrationPeptide analysisT transitionStructure and Expression of a Complementary DNA for the Nuclear Coded Precursor of Human Mitochondrial Ornithine Transcarbamylase
Horwich A, Fenton W, Williams K, Kalousek F, Kraus J, Doolittle R, Konigsberg W, Rosenberg L. Structure and Expression of a Complementary DNA for the Nuclear Coded Precursor of Human Mitochondrial Ornithine Transcarbamylase. Science 1984, 224: 1068-1074. PMID: 6372096, DOI: 10.1126/science.6372096.Peer-Reviewed Original ResearchConceptsComplementary DNALeader peptideOrnithine transcarbamylaseAmino-terminal leader peptideMost mitochondrial proteinsComplete primary structureHuman ornithine transcarbamylaseFree cytoplasmic ribosomesMitochondrial matrix enzymeCultured HeLa cellsMitochondrial proteinsCytoplasmic ribosomesRegulatory elementsNucleotide sequenceStable transformantsMatrix enzymeAsparagine residuesAcidic residuesLarger precursorMature formPrimary structureProtein occursHeLa cellsEscherichia coliAmino acids
1983
Molecular cloning of the cDNA coding for rat ornithine transcarbamoylase.
Horwich A, Kraus J, Williams K, Kalousek F, Konigsberg W, Rosenberg L. Molecular cloning of the cDNA coding for rat ornithine transcarbamoylase. Proceedings Of The National Academy Of Sciences Of The United States Of America 1983, 80: 4258-4262. PMID: 6576335, PMCID: PMC384016, DOI: 10.1073/pnas.80.14.4258.Peer-Reviewed Original ResearchConceptsOrnithine transcarbamoylaseSequential Edman analysesCDNA probeMitochondrial matrix enzymeInsertion of cDNAAmino acid residuesConsecutive amino acid residuesCarboxyl-terminal portionCytoplasmic polysomesMolecular cloningCDNA clonesEdman analysisDifferential colony hybridizationTranslation assaysX chromosomeCDNA codingMatrix enzymeEnzyme subunitMessenger speciesAcid residuesSequence presentPolysome immunoadsorptionIdentical subunitsColony hybridizationEscherichia coliLimited proteolysis studies on the Escherichia coli single-stranded DNA binding protein. Evidence for a functionally homologous domain in both the Escherichia coli and T4 DNA binding proteins.
Williams K, Spicer E, LoPresti M, Guggenheimer R, Chase J. Limited proteolysis studies on the Escherichia coli single-stranded DNA binding protein. Evidence for a functionally homologous domain in both the Escherichia coli and T4 DNA binding proteins. Journal Of Biological Chemistry 1983, 258: 3346-3355. PMID: 6298232, DOI: 10.1016/s0021-9258(18)32867-9.Peer-Reviewed Original ResearchConceptsCOOH terminusBacteriophage T4 gene 32 proteinDNA-induced conformational changesT4 gene 32 proteinConformational changesEscherichia coliHelix-destabilizing proteinGene 32 proteinE. coli DNA replicationSimilar functional domainsCOOH-terminal domainLimited proteolysis studiesEukaryotic DNADNA replicationDouble-helical DNAHomologous domainsTerminal domainFunctional domainsT4 DNAProteolysis studiesLimited proteolysisTerminal regionAmino acidsProteinHelical DNA