1992
Purification and characterization of an endo-exonuclease from adult flies of Drosophila melanogaster
Shuai K, Gupta C, Hawley R, Chase J, Stone K, Williams K. Purification and characterization of an endo-exonuclease from adult flies of Drosophila melanogaster. Nucleic Acids Research 1992, 20: 1379-1385. PMID: 1313969, PMCID: PMC312186, DOI: 10.1093/nar/20.6.1379.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAmino AcidsAnimalsChromatography, DEAE-CelluloseChromatography, High Pressure LiquidDNA, Single-StrandedDrosophila melanogasterElectrophoresis, Polyacrylamide GelEndonucleasesExonucleasesHot TemperatureHydrogen-Ion ConcentrationKineticsMolecular Sequence DataMolecular WeightSodium ChlorideSubstrate SpecificityUltracentrifugation
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
1986
Gene 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 incorporation1H 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 spectra
1984
A Rat Liver Helix-Destabilizing Protein: Properties and Homology to LDH-5
Patel G, Reddigari S, Williams K, Baptist E, Thompson P, Sisodia S. A Rat Liver Helix-Destabilizing Protein: Properties and Homology to LDH-5. Experimental Biology And Medicine 1984, 41-58. DOI: 10.1007/978-1-4612-5178-1_3.Peer-Reviewed Original ResearchHelix-destabilizing proteinDNA-binding proteinsDNA-associated proteinsTranscription of DNAHelix-destabilizing activityDNA duplexGene activityChromosomal informationFunctional homologyRegulatory proteinsLactic dehydrogenase-5Conformational modulationSequence fidelityConformational alterationsStrand separationProteinDehydrogenase 5Complementary strandDNAHomologySurprising evidenceEukaryotesProkaryotesTranscriptionDuplex
1982
Crystallization of a tryptic core of the single-stranded DNA binding protein of bacteriophage T4
McKay D, Williams K. Crystallization of a tryptic core of the single-stranded DNA binding protein of bacteriophage T4. Journal Of Molecular Biology 1982, 160: 659-661. PMID: 7175942, DOI: 10.1016/0022-2836(82)90321-7.Peer-Reviewed Original Research