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
1995
Structural specificity of substrate for S-adenosylmethionine protein arginine N-methyltransferases
Rawal N, Rajpurohit R, Lischwe M, Williams K, Paik W, Kim S. Structural specificity of substrate for S-adenosylmethionine protein arginine N-methyltransferases. Biochimica Et Biophysica Acta 1995, 1248: 11-18. PMID: 7536038, DOI: 10.1016/0167-4838(94)00213-z.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsHeterogeneous Nuclear Ribonucleoprotein A1Heterogeneous-Nuclear Ribonucleoprotein Group A-BHeterogeneous-Nuclear RibonucleoproteinsMethylationMolecular Sequence DataMyelin Basic ProteinOligopeptidesPeptide FragmentsProtein-Arginine N-MethyltransferasesRatsRibonucleoproteinsS-AdenosylmethionineSubstrate SpecificityTrypsinConceptsProtein methylase IArginine residuesProtein A1Protein arginine N-methyltransferasesEnzymatic methylationPreferred amino acid sequencesArginine-methylated proteinsProtein arginine N-methyltransferaseHnRNP protein A1Arginine-rich motifAmino acid sequenceArginine N-methyltransferaseN-methyltransferasesRich motifN-terminal fragmentHPLC amino acid analysisC-terminusMethyl acceptorAmino acid analysisDisulfide bridgesS-adenosylmethionineProtein moleculesTrypsin digestionNG-monomethylarginineGood substrate
1978
Structural changes in the T4 gene 32 protein induced by DNA polynucleotides.
Williams K, Konigsberg W. Structural changes in the T4 gene 32 protein induced by DNA polynucleotides. Journal Of Biological Chemistry 1978, 253: 2463-2470. PMID: 632279, DOI: 10.1016/s0021-9258(17)38096-1.Peer-Reviewed Original ResearchConceptsGene 32 proteinT4 gene 32 proteinDNA-binding proteinsT4 DNA metabolismTryptic hydrolysisPartial trypsin digestionDNA metabolismGene 32Protein interactionsBacteriophage T4COOH terminusNH2 terminusLimited tryptic hydrolysisCooperative bindingDNA complexesDNA interactionAmino acidsProteinTrypsin digestionDNA polynucleotidesConformational probeTerminusDalton fragmentFragmentsHydrolysis