Complement C8; Human

Code: 204896-250UG D2-231

General description

Native, human C8 complement component. Glycoprotein composed of three non-identical subunits of M.W. 64 kDa (α), 64 kDa (β), and 22 kDa (γ)...


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€560.00 EACH
€688.80 inc. VAT

General description

Native, human C8 complement component. Glycoprotein composed of three non-identical subunits of M.W. 64 kDa (α), 64 kDa (β), and 22 kDa (γ). Present in normal human serum at 55 µg/ml. On activation of complement via either the classical or alternative pathway, C5 is cleaved into C5a and C5b fragments. The nascent C5b fragment binds to C6, C7, and C8 resulting in formation of the C5b-8 complex on target surfaces. Each membrane-bound, hydrophobic C5b-8 complex combines with three to six C9 molecules to complete the assembly of the lytic C5b-9 complement membrane attack complex (MAC).

Native, human C8 complement component. Glycoprotein composed of three non-identical subunits of M.W. 64,000 (α), 64,000 (β), and 22,000 (γ). Present in normal human serum at 55 µg/ml. On activation of complement via either the classical or alternative pathway, C5 is cleaved into C5a and C5b fragments. The nascent C5b fragment binds to C6, C7, and C8, resulting in formation of C5b-8 complex on target surfaces. Each membrane-bound, hydrophobic C5b-8 complex combines with three to six C9 molecules to complete the assembly of the lytic C5b-9 complement membrane attack complex (MAC).

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Other Notes

Steckel, E.W., et al. 1980. J. Biol. Chem. 255, 11997.Petersen, B.H., et al. 1976. J. Clin. Invest. 57, 283.

Packaging

250 µg in Plastic ampoule

Please refer to vial label for lot-specific concentration.

Physical form

In PBS, pH 7.2.

Preparation Note

Prepared from serum that has been shown by certified tests to be negative for HBsAg and for antibodies to HIV and HCV.

Reconstitution

Following initial thaw, aliquot and freeze (-70°C).

Warning

Toxicity: Standard Handling (A)

assay≥85% (SDS-PAGE)
formliquid
impuritiesIgG, IgA, IgM, albumin, C3, C4, C7, C9, trace
manufacturer/tradenameCalbiochem®
Quality Level200
shipped indry ice
specific activity≥150,000 C8H50 units/mg protein
storage conditionavoid repeated freeze/thaw cycles, OK to freeze
storage temp.−70°C
Cas Number80295-58-5
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