1990
A novel function for zinc(II) in a nucleic acid-binding protein. Contribution of zinc(II) toward the cooperativity of bacteriophage T4 gene 32 protein binding.
Nadler S, Roberts W, Shamoo Y, Williams K. A novel function for zinc(II) in a nucleic acid-binding protein. Contribution of zinc(II) toward the cooperativity of bacteriophage T4 gene 32 protein binding. Journal Of Biological Chemistry 1990, 265: 10389-10394. PMID: 2113053, DOI: 10.1016/s0021-9258(18)86958-7.Peer-Reviewed Original ResearchPurification and functional characterization of adenovirus ts111A DNA-binding protein. Fluorescence studies of protein-nucleic acid binding.
Meyers M, Keating K, Roberts W, Williams K, Chase J, Horwitz M. Purification and functional characterization of adenovirus ts111A DNA-binding protein. Fluorescence studies of protein-nucleic acid binding. Journal Of Biological Chemistry 1990, 265: 5875-5882. PMID: 2318838, DOI: 10.1016/s0021-9258(19)39444-x.Peer-Reviewed Original Research
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 ProteinsZinc
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 effectsCloningMutagenesisG32P1H NMR (500 MHz) identification of aromatic residues of gene 32 protein involved in DNA binding by use of protein containing perdeuterated aromatic residues and by site-directed mutagenesis.
Prigodich R, Shamoo Y, Williams K, Chase J, Konigsberg W, Coleman J. 1H NMR (500 MHz) identification of aromatic residues of gene 32 protein involved in DNA binding by use of protein containing perdeuterated aromatic residues and by site-directed mutagenesis. Biochemistry 1986, 25: 3666-72. PMID: 3013293, DOI: 10.1021/bi00360a029.Peer-Reviewed Original ResearchConceptsGene 32 proteinTyr-115Aromatic residuesPhe residueDNA binding surfaceAmino acid sequenceSite-directed mutationsSite-directed mutagenesisComplex formationAcid sequenceBinding surfaceUse of proteinsTyr residuesNMR difference spectraTyr-73ProteinResiduesPhenylalanyl residuesDNANMR identificationTyrMutagenesisMutationsTyrosylDifference spectraProtein chemistry‐nuclear magnetic resonance approach to mapping functional domains in single‐stranded DNA binding proteins
Coleman J, Williams K, King G, Prigodich R, Shamoo Y, Konigsberg W. Protein chemistry‐nuclear magnetic resonance approach to mapping functional domains in single‐stranded DNA binding proteins. Journal Of Cellular Biochemistry 1986, 32: 305-326. PMID: 3543031, DOI: 10.1002/jcb.240320407.Peer-Reviewed Original Research
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 transition