204897 Complement C4b, Human

204897
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      Aperçu

      Replacement Information

      Prix & Disponibilité

      Référence DisponibilitéConditionnement Qté Prix Quantité
      204897-250UG
      Récupération des données relatives à la disponibilité...
      Disponibilité limitéeDisponibilité limitée
      En stock 
      Interrompu(e)
      Disponible en quantités limitées
      Disponibilité à confirmer
        Pour le restant : Nous vous tiendrons informé
          Pour le restant : Nous vous tiendrons informé
          Nous vous tiendrons informé
          Contacter le Service Clients
          Contact Customer Service

          Ampoule plast. 250 μg
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          Description
          OverviewNative, human C4b complement component. Cleavage of the C4 α-chain at peptide bond 77 by activated C1 enzyme results in the production of C4a (M.W. 8,758) and C4b (M.W. 193,000) fragments. The C4b fragment is a glycoprotein composed of the modified C4 α-chain (α′) and intact β- and γ-chains. Like C3b, C4b has the transient ability to form a covalent ester bond with a variety of target cell surfaces. Once bound to the target surface, C4b becomes an essential non-enzymatic subunit of the classical pathway C3 cleaving enzyme (C4b,C2a). In addition, surface bound C4b has opsonic and immune adherence activities which are mediated via binding to the CR1 (CD35) complement receptor which is found on a variety of inflammatory cells.
          Catalogue Number204897
          Brand Family Calbiochem®
          References
          ReferencesWeisman, H.F., et al. 1990. Science 249, 146.
          Holers, M.V., et al. 1985. Immunology Today 6, 188.
          Product Information
          FormLiquid
          FormulationIn PBS, pH 7.2.
          PreservativeNone
          Quality LevelMQ100
          Applications
          Biological Information
          Purity≥95% by SDS-PAGE
          SourcePrepared from plasma of individuals that have been shown by certified tests to be negative for HBsAg and for antibodies to HIV and HCV.
          Concentration Label Please refer to vial label for lot-specific concentration
          Physicochemical Information
          ContaminantsIgG, IgA, IgM, Factor B, Factor H, C3, ceruloplasmin, or albumin: ≤trace amounts
          Dimensions
          Materials Information
          Toxicological Information
          Safety Information according to GHS
          Safety Information
          Product Usage Statements
          Storage and Shipping Information
          Ship Code Dry Ice Only
          Toxicity Standard Handling
          Storage ≤ -70°C
          Avoid freeze/thaw Avoid freeze/thaw
          Do not freeze Ok to freeze
          Special InstructionsFollowing initial thaw, aliquot and freeze (-70°C).
          Packaging Information
          Transport Information
          Supplemental Information
          Specifications

          Documentation

          Complement C4b, Human FDS

          Titre

          Fiche de données de sécurité des matériaux (FDS) 

          Complement C4b, Human Certificats d'analyse

          TitreNuméro de lot
          204897

          Références bibliographiques

          Aperçu de la référence bibliographique
          Weisman, H.F., et al. 1990. Science 249, 146.
          Holers, M.V., et al. 1985. Immunology Today 6, 188.
          Fiche technique

          Note that this data sheet is not lot-specific and is representative of the current specifications for this product. Please consult the vial label and the certificate of analysis for information on specific lots. Also note that shipping conditions may differ from storage conditions.

          Revision27-May-2008 RFH
          DescriptionNative, human C4b complement component. Cleavage of the C4 α-chain at peptide bond 77 by activated C1 enzyme results in the production of C4a (M.W. 8,758) and C4b (M.W. 193,000) fragments. The C4b fragment is a glycoprotein composed of the modified C4 α-chain (α') and intact β- and γ-chains. Like C3b, C4b has the transient ability to form a covalent ester bond with a variety of target cell surfaces. Once bound to the target surface, C4b becomes an essential non-enzymatic subunit of the classical pathway C3 cleaving enzyme (C4b,C2a). In addition, surface bound C4b has opsonic and immune adherence activities, which are mediated via binding to the CR1 (CD35) complement receptor, which is found on a variety of inflammatory cells.
          FormLiquid
          FormulationIn PBS, pH 7.2.
          Concentration Label Please refer to vial label for lot-specific concentration
          SourcePrepared from plasma of individuals that have been shown by certified tests to be negative for HBsAg and for antibodies to HIV and HCV.
          Purity≥95% by SDS-PAGE
          ContaminantsIgG, IgA, IgM, Factor B, Factor H, C3, ceruloplasmin, or albumin: ≤trace amounts
          PreservativeNone
          Storage ≤ -70°C
          Avoid freeze/thaw
          Do Not Freeze Ok to freeze
          Special InstructionsFollowing initial thaw, aliquot and freeze (-70°C).
          Toxicity Standard Handling
          ReferencesWeisman, H.F., et al. 1990. Science 249, 146.
          Holers, M.V., et al. 1985. Immunology Today 6, 188.