Size: 20ug. Other sizes are also available. Please Inquire.In Stock: NoLead time: 25-35 working daysResearch Topic: ImmunologyUniprot ID: P02745Gene Names: C1QAOrganism: Homo sapiens (Human)AA Sequence: EDLCRAPDGKKGEAGRPGRRGRPGLKGEQGEPGAPGIRTGIQGLKGDQGEPGPSGNPGKVGYPGPSGPLGARGIPGIKGTKGSPGNIKDQPRPAFSAIRRNPPMGGNVVIFDTVITNQEEPYQNHSGRFVCTVPGYYYFTFQVLSQWEICLSIVSSSRGQVRRSLGFCDTTNKGLFQVVSGGMVLQLQQGDQVWVEKDPKKGHIYQGSEADSVFSGFLIFPSAExpression Region: 23-245aaSequence Info: Full Length of Mature ProteinSource: BaculovirusTag Info: N-terminal 10xHis-tagged and C-terminal Myc-taggedMW: 27.7 kDaAlternative Name(s): Relevance: C1q associates with the proenzymes C1r and C1s to yield C1, the first component of the serum complement system. The collagen-like regions of C1q interact with the Ca2+-dependent C1r2C1s2 proenzyme complex, and efficient activation of C1 takes place on interaction of the globular heads of C1q with the Fc regions of IgG or IgM antibody present in immune complexes.Reference: "Completion of the amino acid sequences of the A and B chains of subcomponent C1q of the first component of human complement." Reid K.B.M., Gagnon J., Frampton J. Biochem. J. 203:559-569(1982)Purity: Greater than 85% as determined by SDS-PAGE.Storage Buffer: Tris-based buffer，50% glycerol Storage: The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself. Generally, the shelf life of liquid form is 6 months at -20℃/-80℃. The shelf life of lyophilized form is 12 months at -20℃/-80℃.Notes: Repeated freezing and thawing is not recommended. Store working aliquots at 4℃ for up to one week.
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