Cytoplasmic GranulesSerine EndopeptidasesSerine ProteasesSerineSerine Proteinase InhibitorsProtease InhibitorsMicroscopy, ElectronGranzymesMolecular Sequence DataAmino Acid SequenceNeutrophilsHistocytochemistryMast CellsAnnexin A3Peptide HydrolasesEndopeptidasesStaining and LabelingHIV ProteasePerforinPore Forming Cytotoxic ProteinsBlood ProteinsBasophilsMannose-Binding Protein-Associated Serine ProteasesMicroscopy, ImmunoelectronSerpinsBase SequenceCells, CulturedCell LineEosinophilsCytoplasmFluorescent Antibody TechniqueSubstrate SpecificityProtease NexinsCathepsin GSubtilisinsKiller Cells, NaturalRNA, MessengerImmunohistochemistryPhagocytosisCytotoxicity, ImmunologicProtease LaChymotrypsinMembrane ProteinsChromaffin GranulesRNA-Binding ProteinsCysteine ProteasesLeukocytesPhenylmethylsulfonyl FluorideTrypsinRabbitsCysteine EndopeptidasesSequence Homology, Amino AcidCattleKallikreinsATP-Dependent ProteasesCell MembraneMembrane GlycoproteinsSubtilisinCathepsinsPancreatic ElastaseRecombinant ProteinsTrypsin InhibitorsEnzyme PrecursorsSecretory VesiclesLeukocyte ElastaseCell NucleusKineticsCloning, MolecularProteinsProteinase Inhibitory Proteins, SecretoryAprotininBinding SitesT-Lymphocytes, CytotoxicCell DifferentiationImmunoenzyme TechniquesChymasesIsoflurophateCathepsin CModels, MolecularMutationElectrophoresis, Polyacrylamide GelHydrolysisProtein Structure, TertiaryPeriplasmic ProteinsSerpin E2Protein BindingProtein Processing, Post-TranslationalSequence AlignmentEnzyme ActivationAntibodies, MonoclonalMolecular WeightComplement C1sThrombinOligopeptidesHydrogen-Ion ConcentrationExocytosisMutagenesis, Site-DirectedCerebellumTryptasesPhosphorylation