1999
Identification of the RNA Binding Domain of T4 RegA Protein by Structure-based Mutagenesis*
Gordon J, Sengupta T, Phillips C, O'Malley S, Williams K, Spicer E. Identification of the RNA Binding Domain of T4 RegA Protein by Structure-based Mutagenesis*. Journal Of Biological Chemistry 1999, 274: 32265-32273. PMID: 10542265, DOI: 10.1074/jbc.274.45.32265.Peer-Reviewed Original ResearchConceptsRegA proteinBeta-sheet residuesGel mobility shift assaysRNA gel mobility shift assaysProtein-RNA interactionsMutagenesis of residuesRNA Binding DomainRNA binding siteMobility shift assaysRNA recognition propertiesBeta-sheet regionUnique structural motifMutant proteinsRNA bindingProtein foldsShift assaysBinding domainsMutagenesis studiesStructural domainsDomain IIMutagenesisEquilibrium binding assaysProteinRNABinding sites
1996
Purification and characterization of a recombinant hepatitis E protein vaccine candidate by liquid chromatography-mass spectrometry
McAtee C, Zhang Y, Yarbough P, Fuerst T, Stone K, Samander S, Williams K. Purification and characterization of a recombinant hepatitis E protein vaccine candidate by liquid chromatography-mass spectrometry. Journal Of Chromatography B 1996, 685: 91-104. PMID: 8930757, DOI: 10.1016/0378-4347(96)00143-0.Peer-Reviewed Original ResearchConceptsMass spectrometryCarboxyl terminusReversed phase liquid chromatographyAmino terminusLaser desorption mass spectrometryDesorption mass spectrometryMolecular massLiquid chromatography-mass spectrometryCarboxyl-terminal sequencingChromatography-mass spectrometryBaculovirus expression vectorSodium dodecyl sulfate-polyacrylamide gel electrophoresisDodecyl sulfate-polyacrylamide gel electrophoresisSulfate-polyacrylamide gel electrophoresisLC-MSLiquid chromatographyExpression vectorTerminal sequencingSequence analysisPolyacrylamide gel electrophoresisSpectrometryIntact proteinInternal sequencesDoublet proteinsTerminus
1993
Translational Repression by the Bacteriophage T4 Gene 32 Protein Involves Specific Recognition of an RNA Pseudoknot Structure
Shamoo Y, Tam A, Konigsberg W, Williams K. Translational Repression by the Bacteriophage T4 Gene 32 Protein Involves Specific Recognition of an RNA Pseudoknot Structure. Journal Of Molecular Biology 1993, 232: 89-104. PMID: 8331672, DOI: 10.1006/jmbi.1993.1372.Peer-Reviewed Original Research
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
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 Research
1989
p10 single-stranded nucleic acid binding protein from murine leukemia virus binds metal ions via the peptide sequence Cys26-X2-Cys29-X4-His34-X4-Cys39.
Roberts W, Pan T, Elliott J, Coleman J, Williams K. p10 single-stranded nucleic acid binding protein from murine leukemia virus binds metal ions via the peptide sequence Cys26-X2-Cys29-X4-His34-X4-Cys39. Biochemistry 1989, 28: 10043-7. PMID: 2695161, DOI: 10.1021/bi00452a024.Peer-Reviewed Original ResearchConceptsChemical shiftsMetal ionsSolid-phase synthesis approachCharge transfer bandD absorption bandsMetal binding propertiesChelate complexesUltraviolet absorption spectraCharge transferNMR spectraAbsorption bandsIntense bandAbsorption spectraSynthesis approachBinding propertiesNucleic acidsOligonucleotide bindingIonsComplexesCys residuesSpectraConsiderable interestPpmResiduesBandSite-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-Binding ProteinsDNA, Single-StrandedDNA, ViralElectrophoresis, Polyacrylamide GelEscherichia coliGene Expression RegulationGenes, ViralMutationNucleic Acid DenaturationPoly dA-dTPoly TProtein DenaturationT-PhagesTemperatureThermodynamicsTrypsinTyrosineViral 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
1988
Thermal denaturation of T4 gene 32 protein: effects of zinc removal and substitution.
Keating K, Ghosaini L, Giedroc D, Williams K, Coleman J, Sturtevant J. Thermal denaturation of T4 gene 32 protein: effects of zinc removal and substitution. Biochemistry 1988, 27: 5240-5. PMID: 3262371, DOI: 10.1021/bi00414a044.Peer-Reviewed Original ResearchPhotochemical crosslinking of bacteriophage T4 single‐stranded DNA‐binding protein (gp32) to oligo‐p(dT)8: Identification of phenylalanine‐183 as the site of crosslinking
Shamoo Y, Williams K, Konigsberg W. Photochemical crosslinking of bacteriophage T4 single‐stranded DNA‐binding protein (gp32) to oligo‐p(dT)8: Identification of phenylalanine‐183 as the site of crosslinking. Proteins Structure Function And Bioinformatics 1988, 4: 1-6. PMID: 3186689, DOI: 10.1002/prot.340040103.Peer-Reviewed Original ResearchConceptsCovalent bond formationAnion-exchange high-performance liquid chromatographyHigh-performance liquid chromatographyBond formationGas-phase sequencingLiquid chromatographyPhotochemical crosslinkingPhenylthiohydantoin derivativesSer-GlyTryptic peptidesUltraviolet irradiationTyr-AspUltraviolet lightCrosslinkingSer-AsnHigh affinityCleavage productsGln-ValGlu-SerPeptidesPhotolysisTrypsin cleavage productSingle tryptic peptideChromatographyComplexes
1987
The function of zinc in gene 32 protein from T4.
Giedroc D, Keating K, Williams K, Coleman J. The function of zinc in gene 32 protein from T4. Biochemistry 1987, 26: 5251-9. PMID: 3314985, DOI: 10.1021/bi00391a007.Peer-Reviewed Original Research
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 incorporationZinc metalloproteins involved in replication and transcription
Giedroc D, Keating K, Martin C, Williams K, Coleman J. Zinc metalloproteins involved in replication and transcription. Journal Of Inorganic Biochemistry 1986, 28: 155-169. PMID: 3543219, DOI: 10.1016/0162-0134(86)80079-4.Peer-Reviewed Original ResearchConceptsRNA polymeraseP-hydroxymercuriphenylsulfonateMultisubunit RNA polymerasesGene 32 proteinTranscription initiationDNA binding propertiesTranslational controlProtein essentialDNA replicationAccessory proteinsBacteriophage T7Allosteric roleRPaseBacteriophage T4Apo-g32PZinc metalloproteinsDNA polymeraseElongation ratePolymeraseE. coliProteinBiosynthesisLife cycleBinding propertiesMetalloproteinsProtein 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
1985
Amino acid sequence of the UP1 calf thymus helix-destabilizing protein and its homology to an analogous protein from mouse myeloma.
Williams K, Stone K, LoPresti M, Merrill B, Planck S. Amino acid sequence of the UP1 calf thymus helix-destabilizing protein and its homology to an analogous protein from mouse myeloma. Proceedings Of The National Academy Of Sciences Of The United States Of America 1985, 82: 5666-5670. PMID: 2994041, PMCID: PMC390612, DOI: 10.1073/pnas.82.17.5666.Peer-Reviewed Original ResearchConceptsAmino acid sequenceAmino acidsAnalogous proteinsAcid sequenceHelix-destabilizing proteinsComplete amino acid sequenceHelix-destabilizing proteinStaphylococcus aureus V8 proteaseSimilar amino acidsAureus V8 proteaseMouse proteinCyanogen bromide cleavageMouse sequencesProtein sequencesSequence homologyCOOH terminusNH2 terminusSolid-phase sequencingGas-phase sequencingV8 proteaseEndoproteinase LysTryptic peptidesProteinUP1Calf thymusIdentification 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 roleCloning, 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
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 51H NMR (500 MHz) of gene 32 protein--oligonucleotide complexes.
Prigodich R, Casas-Finet J, Williams K, Konigsberg W, Coleman J. 1H NMR (500 MHz) of gene 32 protein--oligonucleotide complexes. Biochemistry 1984, 23: 522-9. PMID: 6367821, DOI: 10.1021/bi00298a019.Peer-Reviewed Original ResearchConceptsN-terminal B-domainGene 32 proteinC-terminal domainCore proteinComplex formationGene 32Bacteriophage T4Bacteriophage fdC-terminalOligonucleotide bindingChemical shift changesTyr residuesB domainAromatic residuesNucleotide basesProteinResiduesLong rotational correlation timeOligonucleotide complexesHigh affinityComplexesShift changesDomainProton resonancesRotational correlation time