PeptidesComplex MixturesProteomicsProteinsMass SpectrometryProteomeSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationAmino Acid SequenceTandem Mass SpectrometryChromatography, LiquidPlasmaMolecular Sequence DataIsotope LabelingChromatography, High Pressure LiquidPeptide MappingPeptide FragmentsElectrophoresis, Polyacrylamide GelChemical FractionationElectrophoresis, Gel, Two-DimensionalMagnetic Resonance SpectroscopyReproducibility of ResultsSpectrometry, Mass, Electrospray IonizationNuclear Magnetic Resonance, BiomolecularCattleNitrogen IsotopesProtein ConformationEscherichia coliModels, MolecularPeptide LibraryCrystallizationProtein BindingKineticsAntimicrobial Cationic PeptidesBlood ProteinsHydrogen-Ion ConcentrationBacterial ProteinsMolecular WeightPeptides, CyclicBase SequenceOligopeptidesTrypsinAlgorithmsMolecular StructurePlasma CellsPolycyclic CompoundsCell MembraneAmino AcidsAir PollutantsCrystallography, X-RayGas Chromatography-Mass SpectrometryHydrocarbonsRecombinant ProteinsTime FactorsCell LineFuel OilsSubstrate SpecificityChromatography, AffinityDatabases, ProteinDose-Response Relationship, DrugChromatography, Ion ExchangeBinding SitesDrug StabilityCells, CulturedSensitivity and SpecificityHydrolysisRadioimmunoassayStructure-Activity RelationshipEnvironmental MonitoringSmogCloning, MolecularChromatography, GelLiverReference StandardsPetroleumPolycyclic Hydrocarbons, AromaticCalibrationPolychlorinated BiphenylsBiological AssayPeptide HydrolasesRabbitsKallikreinsChromatography, GasEnvironmental PollutantsNatriuretic Peptide, BrainWater Pollutants, ChemicalBiological MarkersOxidation-ReductionLipoproteinsGlycoproteinsRNA, MessengerMutationProtein Processing, Post-TranslationalCarbohydrate SequenceGlycosylationPhospholipidsLipidsDNAChromatography, Thin LayerLipoproteins, HDLRats, Sprague-Dawley