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
Purification and nucleic acid binding properties of a fragment of type C1/C2 heterogeneous nuclear ribonucleoprotein from thymic nuclear extracts.
Amrute S, Abdul-Manan Z, Pandey V, Williams K, Modak M. Purification and nucleic acid binding properties of a fragment of type C1/C2 heterogeneous nuclear ribonucleoprotein from thymic nuclear extracts. Biochemistry 1994, 33: 8282-91. PMID: 7518245, DOI: 10.1021/bi00193a015.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsCattleCell NucleusChromatographyChromatography, High Pressure LiquidCross-Linking ReagentsCyanogen BromideDNA, Single-StrandedHeterogeneous Nuclear Ribonucleoprotein A1Heterogeneous-Nuclear Ribonucleoprotein Group A-BHeterogeneous-Nuclear Ribonucleoprotein Group CHeterogeneous-Nuclear RibonucleoproteinsMolecular Sequence DataOligodeoxyribonucleotidesPeptide FragmentsRibonucleoproteinsRNASpectrometry, FluorescenceThymus GlandUltraviolet RaysConceptsHnRNP proteinsOccluded site sizeHeterogeneous nuclear ribonucleoproteinsNucleic acidsSingle-strand nucleic acidNH2-terminal sequencingEukaryotic RNATight tetramerSDS-polyacrylamide gel electrophoresisApparent molecular weightNuclear ribonucleoproteinNuclear extractsLimited proteolysisMass spectrometric analysisRNAProteinPhenylalanine 19Calf thymusGel electrophoresisAdditional ionic interactionsTerminal deoxynucleotidyl transferaseSite sizeAB formMajor siteCell disruption
1992
Identification of amino acid residues at the interface of a bacteriophage T4 regA protein-nucleic acid complex.
Webster K, Keill S, Konigsberg W, Williams K, Spicer E. Identification of amino acid residues at the interface of a bacteriophage T4 regA protein-nucleic acid complex. Journal Of Biological Chemistry 1992, 267: 26097-26103. PMID: 1464621, DOI: 10.1016/s0021-9258(18)35722-3.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceBacterial ProteinsBacteriophage T4Base SequenceBinding SitesChromatography, High Pressure LiquidCross-Linking ReagentsMolecular Sequence DataOligoribonucleotidesPeptide FragmentsPlasmidsPromoter Regions, GeneticRNA, MessengerRNA, ViralSequence Homology, Amino AcidTrypsinUltraviolet RaysConceptsCross-linked peptidesProtein-nucleic acid complexesAnion-exchange high-performance liquid chromatographyNucleic acidsIntact proteinHigh-performance liquid chromatographyCross-linked complexGas-phase sequencingPerformance liquid chromatographyAcid complexesExchange high performance liquid chromatographyLiquid chromatographyChemical cleavageBacteriophage T4 regA proteinNucleic acid bindingTryptic peptidesComplexesUltraviolet lightCNBr peptidesPeptidesCN6Amino acid residuesMeasurable affinityAcid bindingAcidShuffling of amino acid sequence: an important control in synthetic peptide studies of nucleic acid-binding domains. Binding properties of fragments of a conserved eukaryotic RNA binding motif.
Nadler S, Kapouch J, Elliott J, Williams K. Shuffling of amino acid sequence: an important control in synthetic peptide studies of nucleic acid-binding domains. Binding properties of fragments of a conserved eukaryotic RNA binding motif. Journal Of Biological Chemistry 1992, 267: 3750-3757. PMID: 1740426, DOI: 10.1016/s0021-9258(19)50589-0.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceBinding SitesCarrier ProteinsCircular DichroismFungal ProteinsGenes, FungalHot TemperatureMolecular Sequence DataNucleic Acid DenaturationNucleic AcidsPeptide FragmentsPoly APoly A-UPoly(A)-Binding ProteinsRNA-Binding ProteinsRNA, FungalSaccharomyces cerevisiaeSpectrometry, FluorescenceSubstrate SpecificityConceptsNucleic acidsPeptide studiesResidue peptideSynthetic peptide studiesSynthetic peptidesSynthetic peptide analoguesFree energyProperties of fragmentsPeptide analoguesNucleic acid-binding domainParent proteinLatter peptideNucleic acid bindingAmino acidsStructure/function studiesAmino acid sequenceSignificant affinityAcidEukaryotic RNAPeptidesRNA specificityAmino acid compositionSimilar RNACarboxyl halfMolecular basisRandomization of Amino Acid Sequence: An Important Control In Synthetic Peptide Analogue Studies of Nucleic Acid Binding Domains
Nadler S, Kapouch J, Elliott J, Williams K. Randomization of Amino Acid Sequence: An Important Control In Synthetic Peptide Analogue Studies of Nucleic Acid Binding Domains. 1992, 163-170. DOI: 10.1016/b978-0-12-058756-8.50023-7.Peer-Reviewed Original Research
1990
Mammalian heterogeneous nuclear ribonucleoprotein A1. Nucleic acid binding properties of the COOH-terminal domain.
Kumar A, Casas-Finet J, Luneau C, Karpel R, Merrill B, Williams K, Wilson S. Mammalian heterogeneous nuclear ribonucleoprotein A1. Nucleic acid binding properties of the COOH-terminal domain. Journal Of Biological Chemistry 1990, 265: 17094-17100. PMID: 2145269, DOI: 10.1016/s0021-9258(17)44873-3.Peer-Reviewed Original ResearchConceptsCOOH-terminal domainNH2-terminal domainTerminal domainCOOH-terminal fragmentNucleic acid-binding proteinsCOOH-terminalHeterogeneous nuclear ribonucleoproteinsTwo-domain proteinVertebrate homologuesNucleic acidsAcid-binding proteinIntact A1Nuclear ribonucleoproteinAmino acids bindFluorescent reportersPrimary structureIntact proteinPolynucleotide latticeCore proteinProteinProteolytic fragmentsAcid bindsDNAFragmentsDomainStudies 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
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 interestPpmResiduesBandStructure/Function Relationships in the Bacteriophage T4 Single-Stranded DNA-Binding Protein
Shamoo Y, Keating K, Williams K, Konigsberg W. Structure/Function Relationships in the Bacteriophage T4 Single-Stranded DNA-Binding Protein. 1989, 302-322. DOI: 10.1007/978-1-4612-3652-8_14.Peer-Reviewed Original Research
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 enhancementOverproductionSynthesis of the p10 single-stranded nucleic acid binding protein from murine leukemia virus.
Roberts W, Elliott J, McMurray W, Williams K. Synthesis of the p10 single-stranded nucleic acid binding protein from murine leukemia virus. Chemical Biology & Drug Design 1988, 1: 74-80. PMID: 2856555.Peer-Reviewed Original ResearchConceptsBeta strandsAlpha-helixDirect amino acid sequencingSynthetic peptide bindsMurine leukemia virus proteinsAmino acid sequencingLys-C peptidesRetroviral Gag polyproteinFasman analysisGene 32Nucleic acidsP10 proteinCircular dichroism experimentsCys-X2Cysteine positionsBacteriophage T4Endoproteinase Lys-C peptidesPrimary sequenceMurine leukemia virusNative proteinPrimary structureCys-X4Amino acid analysisProteinSimilar sequences
1987
Amino acid sequence of UP1, an hnRNP‐derived single‐stranded nucleic acid binding protein from calf thymus
MERRILL B, LOPRESTI M, STONE K, WILLIAMS K. Amino acid sequence of UP1, an hnRNP‐derived single‐stranded nucleic acid binding protein from calf thymus. Chemical Biology & Drug Design 1987, 29: 21-39. PMID: 3032834, DOI: 10.1111/j.1399-3011.1987.tb02226.x.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsCattleChromatography, High Pressure LiquidCyanogen BromideDNA HelicasesHeterogeneous Nuclear Ribonucleoprotein A1Heterogeneous-Nuclear Ribonucleoprotein Group A-BHeterogeneous-Nuclear RibonucleoproteinsPeptide FragmentsPeptide HydrolasesRibonucleoproteinsThymus GlandThymus HormonesConceptsHeterogeneous nuclear ribonucleoproteinsAmino acid sequenceHnRNP proteinsAcid sequenceSolid-phase sequencingComplete amino acid sequenceNucleic acidsSingle-strand nucleic acidA1 hnRNP proteinCalf thymusInternal sequence homologyGlutamic acid residuesStaphylococcus aureus proteaseA1 heterogeneous nuclear ribonucleoproteinNuclear ribonucleoproteinSequence homologySequencing of peptides