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
1997
Crystal structure of the two RNA binding domains of human hnRNP A1 at 1.75 Å resolution
Shamoo Y, Krueger U, Rice L, Williams K, Steitz T. Crystal structure of the two RNA binding domains of human hnRNP A1 at 1.75 Å resolution. Nature Structural & Molecular Biology 1997, 4: 215-222. PMID: 9164463, DOI: 10.1038/nsb0397-215.Peer-Reviewed Original ResearchBinding SitesComputer SimulationCrystallography, X-RayHeterogeneous Nuclear Ribonucleoprotein A1Heterogeneous-Nuclear Ribonucleoprotein Group A-BHeterogeneous-Nuclear RibonucleoproteinsHumansModels, MolecularModels, StructuralProtein FoldingProtein Structure, SecondaryRibonucleoproteinsRNA SplicingRNA, Small NuclearRNA-Binding ProteinsSoftware
1995
Multiple RNA binding domains (RBDs) just don't add up
Shamoo Y, Abdul-Manan N, Williams K. Multiple RNA binding domains (RBDs) just don't add up. Nucleic Acids Research 1995, 23: 725-728. PMID: 7535921, PMCID: PMC306750, DOI: 10.1093/nar/23.5.725.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceBinding SitesMolecular Sequence DataRNARNA-Binding ProteinsSequence AlignmentMutagenesis 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 ChlorideThermodynamicsDetermination of the secondary structure and folding topology of an RNA binding domain of mammalian hnRNP A1 protein using three-dimensional heteronuclear magnetic resonance spectroscopy.
Garrett D, Lodi P, Shamoo Y, Williams K, Clore G, Gronenborn A. Determination of the secondary structure and folding topology of an RNA binding domain of mammalian hnRNP A1 protein using three-dimensional heteronuclear magnetic resonance spectroscopy. Biochemistry 1994, 33: 2852-8. PMID: 8130198, DOI: 10.1021/bi00176a015.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsBinding SitesConserved SequenceEscherichia coliHeterogeneous Nuclear Ribonucleoprotein A1Heterogeneous-Nuclear Ribonucleoprotein Group A-BHeterogeneous-Nuclear RibonucleoproteinsMagnetic Resonance SpectroscopyMammalsMolecular Sequence DataProtein FoldingProtein Structure, SecondaryRecombinant ProteinsRibonucleoproteinsRNA, Heterogeneous NuclearSequence Homology, Amino AcidConceptsHnRNP A1 proteinA1 proteinMultidimensional heteronuclear NMR spectroscopySecondary structureHeteronuclear magnetic resonance spectroscopyHeteronuclear NMR spectroscopySecondary structure elementsFirst RNARNAFolding patternProteinStructure elementsDomainLong domainNMR spectroscopyMarked variationFamilyMagnetic resonance spectroscopyMembersAntiparallelResonance spectroscopy
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, FungalRNA-Binding ProteinsSaccharomyces 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 basis
1991
[25] Identification of amino acid residues at interface of protein—Nucleic acid complexes by photochemical cross-linking
Williams K, Konigsberg W. [25] Identification of amino acid residues at interface of protein—Nucleic acid complexes by photochemical cross-linking. Methods In Enzymology 1991, 208: 516-539. PMID: 1779846, DOI: 10.1016/0076-6879(91)08027-f.Peer-Reviewed Original ResearchAdenosine TriphosphateAnimalsBinding SitesChromatography, High Pressure LiquidChromatography, Ion ExchangeColiphagesCross-Linking ReagentsDNADNA-Binding ProteinsElectrophoresis, Polyacrylamide GelEscherichia coliHumansKineticsOligodeoxyribonucleotidesPeptide FragmentsPhosphorus RadioisotopesPhotochemistryPolydeoxyribonucleotidesProtein BindingRadioisotope Dilution Technique
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 bindsDNAFragmentsDomainA 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 ResearchStudies 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
1988
Phenylalanines that are conserved among several RNA-binding proteins form part of a nucleic acid-binding pocket in the A1 heterogeneous nuclear ribonucleoprotein.
Merrill B, Stone K, Cobianchi F, Wilson S, Williams K. Phenylalanines that are conserved among several RNA-binding proteins form part of a nucleic acid-binding pocket in the A1 heterogeneous nuclear ribonucleoprotein. Journal Of Biological Chemistry 1988, 263: 3307-3313. PMID: 2830282, DOI: 10.1016/s0021-9258(18)69073-8.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsBinding SitesCarrier ProteinsCattleChromatography, AffinityChromatography, High Pressure LiquidDNA HelicasesDNA, Single-StrandedElectrophoresis, Polyacrylamide GelHeterogeneous Nuclear Ribonucleoprotein A1Heterogeneous-Nuclear Ribonucleoprotein Group A-BHeterogeneous-Nuclear RibonucleoproteinsMolecular Sequence DataNucleic AcidsPeptide FragmentsPhenylalaninePhenylthiohydantoinPhotochemistryPoly TRatsRibonucleoproteinsRNA-Binding ProteinsSerine EndopeptidasesThymus HormonesTrypsinConceptsRNA-binding proteinHeterogeneous nuclear ribonucleoproteinsA1 heterogeneous nuclear ribonucleoproteinNuclear ribonucleoproteinRepeat sequencesPhenylalanine residuesRNA-binding pocketDNA-cellulose chromatographyInternal repeat sequencesStaphylococcus aureus VSequence homologyCovalent adduct formationA1 proteinPrimary structurePartial proteolysisAnalogous positionsAmino acidsTryptic peptidesProteinPolypeptideProteolytic fragmentsRibonucleoproteinFirst experimental evidenceResiduesCellulose chromatography
1987
Photoaffinity labeling of the thymidine triphosphate binding domain in Escherichia coli DNA polymerase I: identification of histidine-881 as the site of cross-linking.
Pandey V, Williams K, Stone K, Modak M. Photoaffinity labeling of the thymidine triphosphate binding domain in Escherichia coli DNA polymerase I: identification of histidine-881 as the site of cross-linking. Biochemistry 1987, 26: 7744-8. PMID: 3322406, DOI: 10.1021/bi00398a031.Peer-Reviewed Original ResearchConceptsCross-linking reactionReversed-phase high-performance liquid chromatographyHigh-performance liquid chromatographyCross-linking sitesEscherichia coli DNA polymerase IPeptide lossKlenow fragmentChelate formLiquid chromatographyAmino acid analysisE. coli DNA Pol ISmall peptidesTryptic digestionSubstrate deoxynucleoside triphosphateHistidine residuesTryptic peptidesAmino acidsSingle peptideOptimal conditionsPeptide mappingDNA Pol IStaphylococcus aureus V8 protease digestionDNA polymerase IAcceptor sitesPeptides
1986
Protein 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
A cDNA clone for the precursor of rat mitochondrial ornithine transcarbamylase: comparison of rat and human leader sequences and conservation of catalytic sites
Kraus J, Hodges P, Williamson C, Horwich A, Kalousek F, Williams K, Rosenberg L. A cDNA clone for the precursor of rat mitochondrial ornithine transcarbamylase: comparison of rat and human leader sequences and conservation of catalytic sites. Nucleic Acids Research 1985, 13: 943-952. PMID: 3839075, PMCID: PMC341044, DOI: 10.1093/nar/13.3.943.Peer-Reviewed Original ResearchConceptsAmino acid sequenceLeader sequenceAcid sequenceBasic residuesAmino-terminal leader sequenceE. coliComplete sequence homologyAmino acid residuesProtein sequence dataOrnithine transcarbamylaseCDNA clonesSequence dataDNA complementaryOrnithine transcarbamylasesSequence homologyEntire proteinHuman enzymeAcid residuesTranscarbamylasesComplementary DNAAmino acidsMessenger RNARat enzymeNucleotidesCatalytic site
1984
Photochemical cross-linking of the Escherichia coli single-stranded DNA-binding protein to oligodeoxynucleotides. Identification of phenylalanine 60 as the site of cross-linking.
Merrill B, Williams K, Chase J, Konigsberg W. Photochemical cross-linking of the Escherichia coli single-stranded DNA-binding protein to oligodeoxynucleotides. Identification of phenylalanine 60 as the site of cross-linking. Journal Of Biological Chemistry 1984, 259: 10850-10856. PMID: 6540775, DOI: 10.1016/s0021-9258(18)90591-0.Peer-Reviewed Original ResearchConceptsReversed-phase ion-pair high-performance liquid chromatographyIon-pair high-performance liquid chromatographySolid-phase sequence analysisFuture structure/function studiesPeptide-oligonucleotide complexesHigh-performance liquid chromatographyProtein-oligonucleotide complexesLiquid chromatographyPurification procedurePeptide complexesUltraviolet irradiationComplexesStructure/function studiesUltraviolet lightPeptide comprisingCalf thymusGeneral applicabilityAmino acidsChromatographyNucleic acid-binding proteinsReactionThymineExtensive studyIrradiationAcid
1981
DNA helix-destabilizing proteins.
Williams K, Konigsberg W. DNA helix-destabilizing proteins. Gene Amplification And Analysis 1981, 2: 475-508. PMID: 6765652.Peer-Reviewed Original Research