Proprotein ConvertasesProprotein Convertase 5FurinProprotein Convertase 1Proprotein Convertase 2SubtilisinsSerine EndopeptidasesComplement C3-C5 ConvertasesReceptors, LDLProtein Processing, Post-TranslationalNeuroendocrine Secretory Protein 7B2Complement C3 Convertase, Alternative PathwayProtein PrecursorsSubtilisinEnzyme PrecursorsProteolysisComplement Activating EnzymesCholesterol, LDLAmino Acid Sequencealpha 1-AntitrypsinMolecular Sequence DataHep G2 CellsSterol Regulatory Element Binding Protein 2Hyperlipoproteinemia Type IIAspartic Acid EndopeptidasesComplement C3bCHO CellsComplement Factor BCarboxypeptidase HComplement Pathway, AlternativeSerine Proteinase InhibitorsProperdintrans-Golgi NetworkProtease InhibitorsCricetinaeHEK293 CellsMutationGolgi ApparatusMetalloendopeptidasesCOS CellsRecombinant ProteinsHypercholesterolemiaCell LineProtein Structure, TertiaryComplement C3 Nephritic FactorAzetidinesSubstrate SpecificityHeptanoic AcidsTransfectionAmino Acid MotifsBrefeldin AComplement C3 Convertase, Classical PathwayRNA, MessengerComplement C3Complement Pathway, ClassicalAnticholesteremic AgentsComplement C2bCercopithecus aethiopsBase SequenceHydrolysisApolipoproteins BComplement C5Protein BindingComplement ActivationComplement C3b Inactivator ProteinsComplement Inactivator ProteinsCholesterolHydroxymethylglutaryl-CoA Reductase InhibitorsComplement C2PyrrolesGlycosylationComplement C4Mutagenesis, Site-DirectedIn Situ HybridizationCricetulusDNA PrimersBinding SitesComplement Factor DComplement C2aHepatocytesBlotting, WesternSequence Homology, Amino AcidComplement C5 Convertase, Classical PathwayEndoplasmic ReticulumGene Expression Regulation, EnzymologicProtein TransportMice, KnockoutAntigens, CD55LiverPeptidesComplement C4bPeptide FragmentsAmino Acid SubstitutionCell Line, TumorComplement Factor HEnzyme ActivationCells, CulturedCell MembraneMice, Inbred C57BLComplement System Proteins