2024
Optimal conditions for carrying out trypsin digestions on complex proteomes: From bulk samples to single cells
Mansuri M, Bathla S, Lam T, Nairn A, Williams K. Optimal conditions for carrying out trypsin digestions on complex proteomes: From bulk samples to single cells. Journal Of Proteomics 2024, 297: 105109. PMID: 38325732, PMCID: PMC10939724, DOI: 10.1016/j.jprot.2024.105109.Peer-Reviewed Original ResearchComplex proteomesProtein cleavage activityOptimal conditionsTrypsin digestion protocolReversed phase HPLC separationMass spectrometry workflowMS-based proteomicsMass spectrometric analysisC-terminal amino acid residuesTrypsin digestionChromatographic separationDigestion protocolAmino acid residuesHPLC separationMS/MS analysisGlobal proteomic analysisSingle cellsSample matrixSpectrometric analysisCleavage specificityGeneration of peptidesAcid residuesDown proteinsProteomic analysisCleavage activity
1991
Single‐stranded DNA binding proteins (SSBs) from prokaryotic transmissible plasmids
Ruvolo P, Keating K, Williams K, Chase J. Single‐stranded DNA binding proteins (SSBs) from prokaryotic transmissible plasmids. Proteins Structure Function And Bioinformatics 1991, 9: 120-134. PMID: 2008432, DOI: 10.1002/prot.340090206.Peer-Reviewed Original ResearchConceptsAmino acid residuesSSB proteinDNA bindingE. coli SSB proteinAcid residuesHelix-destabilizing proteinsEscherichia coli SSBAmino acid sequenceNH2-terminal regionCOOH-terminal regionProteins divergeSequence comparisonProtein sequencesSequence homologyAcid sequenceF plasmidPhe-60Trp-40Trp-54NH2-terminalTerminal thirdDNA binding studiesElongation rateTyr-70Protein
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
1983
F sex factor encodes a single-stranded DNA binding protein (SSB) with extensive sequence homology to Escherichia coli SSB.
Chase J, Merrill B, Williams K. F sex factor encodes a single-stranded DNA binding protein (SSB) with extensive sequence homology to Escherichia coli SSB. Proceedings Of The National Academy Of Sciences Of The United States Of America 1983, 80: 5480-5484. PMID: 6351061, PMCID: PMC384281, DOI: 10.1073/pnas.80.18.5480.Peer-Reviewed Original ResearchConceptsF sex factorE. coli SSBAmino acid residuesE. coli SSB proteinAcid residuesEscherichia coli SSBDNA binding proteinE. coli proteinsShine-Dalgarno sequenceAmino acid sequenceExtensive sequence homologyNH2-terminal regionSex factorSSB proteinEvolutionary significanceColi proteinsDNA replicationPresumptive promoterExtensive homologySequence homologyAcid sequenceDyad symmetryFunctional domainsF plasmidTerminator regionsMolecular cloning of the cDNA coding for rat ornithine transcarbamoylase.
Horwich A, Kraus J, Williams K, Kalousek F, Konigsberg W, Rosenberg L. Molecular cloning of the cDNA coding for rat ornithine transcarbamoylase. Proceedings Of The National Academy Of Sciences Of The United States Of America 1983, 80: 4258-4262. PMID: 6576335, PMCID: PMC384016, DOI: 10.1073/pnas.80.14.4258.Peer-Reviewed Original ResearchConceptsOrnithine transcarbamoylaseSequential Edman analysesCDNA probeMitochondrial matrix enzymeInsertion of cDNAAmino acid residuesConsecutive amino acid residuesCarboxyl-terminal portionCytoplasmic polysomesMolecular cloningCDNA clonesEdman analysisDifferential colony hybridizationTranslation assaysX chromosomeCDNA codingMatrix enzymeEnzyme subunitMessenger speciesAcid residuesSequence presentPolysome immunoadsorptionIdentical subunitsColony hybridizationEscherichia coli