PeptidesComplex MixturesProteomicsProteinsMass SpectrometryProteomeSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationAmino Acid SequenceTandem Mass SpectrometryIsotope LabelingChromatography, LiquidMolecular Sequence DataPeptide MappingPeptide FragmentsMagnetic Resonance SpectroscopyElectrophoresis, Gel, Two-DimensionalChemical FractionationElectrophoresis, Polyacrylamide GelNuclear Magnetic Resonance, BiomolecularNitrogen IsotopesPeptide LibraryEscherichia coliModels, MolecularChromatography, High Pressure LiquidProtein ConformationCattleSpectrometry, Mass, Electrospray IonizationCrystallizationReproducibility of ResultsAntimicrobial Cationic PeptidesBacterial ProteinsPeptides, CyclicPolycyclic CompoundsAlgorithmsAir PollutantsHydrocarbonsCrystallography, X-RayKineticsBase SequenceOligopeptidesHydrogen-Ion ConcentrationFuel OilsProtein BindingDatabases, ProteinMolecular StructureEnvironmental MonitoringSmogTrypsinPetroleumPolycyclic Hydrocarbons, AromaticRecombinant ProteinsAmino AcidsPolychlorinated BiphenylsStructure-Activity RelationshipSubstrate SpecificityMolecular WeightCloning, MolecularCell LineNatriuretic Peptide, BrainEnvironmental PollutantsWater Pollutants, ChemicalGas Chromatography-Mass SpectrometryBinding SitesChromatography, Ion ExchangeCoal TarHydrolysisCells, CulturedOdorsBenzo(a)pyreneOrganic ChemicalsVasoactive Intestinal PeptideDNADose-Response Relationship, DrugProtein Processing, Post-TranslationalCalcitonin Gene-Related PeptideUnited States Environmental Protection AgencyCell-Penetrating PeptidesVolatilizationPeptide HydrolasesDNA AdductsTime FactorsPeptide BiosynthesisCarbohydrate SequenceBiological AssayMutagenicity TestsAir Pollution, IndoorIonsMutationToxicity TestsOligosaccharidesDioxinsPeptide YYProtein Structure, SecondaryChromatography, Thin LayerSequence Homology, Amino AcidGlycopeptidesPeptide Nucleic AcidsHazardous WasteChromatography, GasSolvents