Receptors, ThrombinReceptor, PAR-1ThrombinHirudinsReceptor, PAR-2Protease InhibitorsBlood PlateletsPlatelet ActivationThrombin TimeAmino Acid SequenceMolecular Sequence DataPlatelet AggregationHIV ProteaseReceptors, Cell SurfacePeptide FragmentsSerine EndopeptidasesOligopeptidesEndopeptidasesPeptide HydrolasesHemostaticsThrombomodulinBlood CoagulationReceptors, Proteinase-ActivatedAntithrombinsProthrombinCells, CulturedCalciumKineticsOrganothiophosphatesCysteine ProteasesProtease LaSignal TransductionFibrinogenPhosphatidylinositolsHirudin TherapyProtein CGTP-Binding ProteinsTrypsinProtease NexinsThromboplastinHydrolysisSerine Proteinase InhibitorsATP-Dependent ProteasesRecombinant ProteinsEndothelium, VascularAntithrombin IIIPlatelet Glycoprotein GPIb-IX ComplexBinding Sitesp-FluorophenylalanineFibrinopeptide ATosyllysine Chloromethyl KetoneCell LineBase SequenceCysteine EndopeptidasesPeptidesRNA, MessengerSubstrate SpecificityEnzyme ActivationPlatelet Aggregation InhibitorsCathepsin GFactor XaCathepsinsPlatelet Membrane GlycoproteinsAmino Acid Chloromethyl KetonesProtein Kinase CThrombosisUmbilical VeinsPlatelet Glycoprotein GPIIb-IIIa ComplexHeparin Cofactor IIFibrin15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic AcidCloning, Molecular6-Ketoprostaglandin F1 alphaProtein BindingGTP-Binding Protein alpha Subunits, G12-G13Muscle, Smooth, VascularDose-Response Relationship, DrugPertussis ToxinChymasesAdenosine DiphosphateProstaglandin Endoperoxides, SyntheticVirulence Factors, BordetellaHeparinCell MembraneP-SelectinPhosphorylationStructure-Activity RelationshipBlotting, NorthernPipecolic AcidsModels, Molecular