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
1991
A retrovirus-like zinc domain is essential for translational repression of bacteriophage T4 gene 32
Shamoo Y, Webster K, Williams K, Konigsberg W. A retrovirus-like zinc domain is essential for translational repression of bacteriophage T4 gene 32. Journal Of Biological Chemistry 1991, 266: 7967-7970. PMID: 2022625, DOI: 10.1016/s0021-9258(18)92923-6.Peer-Reviewed Original ResearchConceptsZinc-binding subdomainsGene 32 mRNALevel of translationCooperative bindingBacteriophage T4 gene 32Zinc-binding motifDNA-binding proteinsGene 32 proteinRibosome binding siteT4 gene 32Stem-loop structureTranslational repressionVariety of retrovirusesGene 32Pseudoknot sequencesPlant virusesZinc domainUnstructured regionsBacteriophage T4Sequence homologyAutoregulatory regionGp32RNA pseudoknotsEssential roleProtein
1989
Site-specific mutagenesis of T4 gene 32: the role of tyrosine residues in protein-nucleic acid interactions.
Shamoo Y, Ghosaini L, Keating K, Williams K, Sturtevant J, Konigsberg W. Site-specific mutagenesis of T4 gene 32: the role of tyrosine residues in protein-nucleic acid interactions. Biochemistry 1989, 28: 7409-17. PMID: 2684276, DOI: 10.1021/bi00444a039.Peer-Reviewed Original ResearchMeSH KeywordsCalorimetry, Differential ScanningCircular DichroismDNA, Single-StrandedDNA, ViralDNA-Binding ProteinsElectrophoresis, Polyacrylamide GelEscherichia coliGene Expression RegulationGenes, ViralMutationNucleic Acid DenaturationPoly dA-dTPoly TProtein DenaturationTemperatureThermodynamicsT-PhagesTrypsinTyrosineViral ProteinsZincThe 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
1984
Bacteriophage T4 gene 44 DNA polymerase accessory protein. Sequences of gene 44 and its protein product.
Spicer E, Nossal N, Williams K. Bacteriophage T4 gene 44 DNA polymerase accessory protein. Sequences of gene 44 and its protein product. Journal Of Biological Chemistry 1984, 259: 15425-15432. PMID: 6096371, DOI: 10.1016/s0021-9258(17)42566-x.Peer-Reviewed Original ResearchConceptsGene 44DNA polymerase accessory proteinEscherichia coli RNA polymeraseT4 middle genesT4 DNA replicationAmino acidsPolymerase accessory proteinsPotential regulatory regionsColi RNA polymeraseDirect protein sequencingT4-infected cellsTranslation initiation regionRegA proteinMiddle genesSequence similarityAmino acid compositionDNA replicationRNA polymeraseRegulatory regionsProtein sequencingAccessory proteinsDNA sequencesNucleotide sequenceProtein sequencesNucleotides 5
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 ResearchConceptsGene 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
1980
Amino acid sequence of the T4 DNA helix-destabilizing protein.
Williams K, LoPresti M, Setoguchi M, Konigsberg W. Amino acid sequence of the T4 DNA helix-destabilizing protein. Proceedings Of The National Academy Of Sciences Of The United States Of America 1980, 77: 4614-4617. PMID: 6254033, PMCID: PMC349895, DOI: 10.1073/pnas.77.8.4614.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAmino AcidsDNA HelicasesDNA ReplicationGenes, ViralPeptide FragmentsT-PhagesViral ProteinsConceptsT4 DNA replication proteinsDNA replication proteinsDNA-binding proteinsHelix-destabilizing proteinGene 32 proteinProtein-protein interactionsAmino acid sequenceLimited trypsin digestionProtein self-associationGene 32Replication proteinsUnusual stretchesSerine residuesCyanogen bromide cleavageDNA bindingAcid sequenceTyrosine residuesPrimary structureStaphylococcal proteasePartial proteolysisIntact proteinPosition 73Amino acidsTryptic peptidesProtein
1979
T4 gene 32 protein trypsin-generated fragments. Fluorescence measurement of DNA-binding parameters.
Spicer E, Williams K, Konigsberg W. T4 gene 32 protein trypsin-generated fragments. Fluorescence measurement of DNA-binding parameters. Journal Of Biological Chemistry 1979, 254: 6433-6436. PMID: 221499, DOI: 10.1016/s0021-9258(18)50385-9.Peer-Reviewed Original Research
1978
Structural changes in the T4 gene 32 protein induced by DNA polynucleotides.
Williams K, Konigsberg W. Structural changes in the T4 gene 32 protein induced by DNA polynucleotides. Journal Of Biological Chemistry 1978, 253: 2463-2470. PMID: 632279, DOI: 10.1016/s0021-9258(17)38096-1.Peer-Reviewed Original ResearchConceptsGene 32 proteinT4 gene 32 proteinDNA-binding proteinsT4 DNA metabolismTryptic hydrolysisPartial trypsin digestionDNA metabolismGene 32Protein interactionsBacteriophage T4COOH terminusNH2 terminusLimited tryptic hydrolysisCooperative bindingDNA complexesDNA interactionAmino acidsProteinTrypsin digestionDNA polynucleotidesConformational probeTerminusDalton fragmentFragmentsHydrolysis