1995
Mutagenesis of the COOH-terminal Region of Bacteriophage T4 regA Protein (∗)
O'Malley S, Sattar A, Williams K, Spicer E. Mutagenesis of the COOH-terminal Region of Bacteriophage T4 regA Protein (∗). Journal Of Biological Chemistry 1995, 270: 5107-5114. PMID: 7890619, DOI: 10.1074/jbc.270.10.5107.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceBacterial ProteinsBacteriophage T4Base SequenceBinding SitesChymotrypsinCircular DichroismCloning, MolecularDNA PrimersGenes, ViralKineticsMolecular Sequence DataMutagenesis, Site-DirectedPeptide FragmentsPoly UProtein ConformationRecombinant ProteinsSequence DeletionTranscription FactorsConceptsBacteriophage T4 regA proteinRegA proteinPhe-106Deletion mutantsWild-type regA proteinAmino acid substitutionsCOOH-terminal regionSpecific RNA ligandsT4 proteinsTranslational repressorRNA ligandsPartial proteolysisAcid substitutionsMutantsAmino acidsProteinRNAMajor siteNucleic acidsProteolysisOverall free energyChymotryptic cleavageSpecific targetsDomain structureAffinity
1994
Both RNA-binding domains in heterogenous nuclear ribonucleoprotein A1 contribute toward single-stranded-RNA binding.
Shamoo Y, Abdul-Manan N, Patten A, Crawford J, Pellegrini M, Williams K. Both RNA-binding domains in heterogenous nuclear ribonucleoprotein A1 contribute toward single-stranded-RNA binding. Biochemistry 1994, 33: 8272-81. PMID: 7518244, DOI: 10.1021/bi00193a014.Peer-Reviewed Original ResearchAmino Acid SequenceBinding SitesCircular DichroismCloning, MolecularDNAElectrochemistryHeterogeneous Nuclear Ribonucleoprotein A1Heterogeneous-Nuclear Ribonucleoprotein Group A-BHeterogeneous-Nuclear RibonucleoproteinsHydrogen-Ion ConcentrationMolecular Sequence DataOligonucleotidesPeptide FragmentsPoly UProtein Structure, SecondaryRibonucleoproteinsRNASodium ChlorideThermodynamics
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
1989
The 44P Subunit of the T4 DNA Polymerase Accessory Protein Complex Catalyzes ATP Hydrolysis
Rush J, Lin T, Quinones M, Spicer E, Douglas I, Williams K, Konigsberg W. The 44P Subunit of the T4 DNA Polymerase Accessory Protein Complex Catalyzes ATP Hydrolysis. Journal Of Biological Chemistry 1989, 264: 10943-10953. PMID: 2786875, DOI: 10.1016/s0021-9258(18)60410-7.Peer-Reviewed Original ResearchConceptsAccessory proteinsATP hydrolysisDNA-dependent ATP hydrolysisT4 DNA polymerase accessory proteinsDNA polymerase accessory proteinPolymerase accessory proteinsTotal cellular proteinAccessory protein complexProtein complexesCellular proteinsPlasmid resultsSubunitsProteinATPase activityOverexpression plasmidProductive interactionInduction of cellsPlasmidSpecific activityComplexesSubcomplexInductionGenesOverexpressionATPase
1987
Isolation of cDNA clones coding for human tissue factor: primary structure of the protein and cDNA.
Spicer E, Horton R, Bloem L, Bach R, Williams K, Guha A, Kraus J, Lin T, Nemerson Y, Konigsberg W. Isolation of cDNA clones coding for human tissue factor: primary structure of the protein and cDNA. Proceedings Of The National Academy Of Sciences Of The United States Of America 1987, 84: 5148-5152. PMID: 3037536, PMCID: PMC298811, DOI: 10.1073/pnas.84.15.5148.Peer-Reviewed Original ResearchConceptsMature proteinPrimary structureHuman placental cDNA libraryAmino acid sequenceHigh molecular weight precursorTissue factor genePlacental cDNA librarySequence data banksCarbohydrate attachment sitesSingle polypeptide chainMolecular weight precursorDependent serine proteaseSignificant homologyCDNA clonesCDNA librarySequence dataLeader sequenceNucleotide sequenceFactor genesAcid sequenceTissue factorExtracellular domainLambda phageDistinct domainsPolypeptide chain
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 effectsCloningMutagenesisG32PEscherichia 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
Cloning, nucleotide sequence, and overexpression of the bacteriophage T4 regA gene.
Adari H, Rose K, Williams K, Konigsberg W, Lin T, Spicer E. Cloning, nucleotide sequence, and overexpression of the bacteriophage T4 regA gene. Proceedings Of The National Academy Of Sciences Of The United States Of America 1985, 82: 1901-1905. PMID: 3872458, PMCID: PMC397441, DOI: 10.1073/pnas.82.7.1901.Peer-Reviewed Original ResearchConceptsRegA proteinRegA geneNucleotide sequenceProtein chemical studiesLevel of translationCorresponding genesStructural geneGene codesDNA sequencesRegulatory proteinsAcid inductionDNA fragmentsPhage M13Early genesGenesRestriction fragmentsAmino acidsProteinPAS1Same plasmidSequenceFragmentsCloningRegATranslation
1984
Structure 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 acidsCharacterization of the Escherichia coli SSB-113 mutant single-stranded DNA-binding protein. Cloning of the gene, DNA and protein sequence analysis, high pressure liquid chromatography peptide mapping, and DNA-binding studies.
Chase J, L'Italien J, Murphy J, Spicer E, Williams K. Characterization of the Escherichia coli SSB-113 mutant single-stranded DNA-binding protein. Cloning of the gene, DNA and protein sequence analysis, high pressure liquid chromatography peptide mapping, and DNA-binding studies. Journal Of Biological Chemistry 1984, 259: 805-814. PMID: 6363409, DOI: 10.1016/s0021-9258(17)43529-0.Peer-Reviewed Original Research
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 coli
1982
Bacteriophage T4 gene 45. Sequences of the structural gene and its protein product.
Spicer E, Noble J, Nossal N, Konigsberg W, Williams K. Bacteriophage T4 gene 45. Sequences of the structural gene and its protein product. Journal Of Biological Chemistry 1982, 257: 8972-8979. PMID: 6284751, DOI: 10.1016/s0021-9258(18)34228-5.Peer-Reviewed Original ResearchMeSH KeywordsBase SequenceCloning, MolecularDNA Restriction EnzymesGenesGenes, ViralNucleic Acid ConformationProtein BiosynthesisT-PhagesConceptsGene 45T4 late gene transcriptionT4 DNA replication complexRNA polymerase recognitionT4 DNA replicationLate gene transcriptionDNA replication complexTranslation initiation regionNucleotide sequence analysisGenes 46Protein chemistry studiesRegA proteinStructural geneSequence similarityDNA replicationPutative promoterRNA polymeraseReplication complexGene transcriptionProtein productsSequence analysisPrimary structureInitiation regionRIIB genePolymerase recognition