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204888

Sigma-Aldrich

Complement C5, Human

Complement C5, Human, CAS 80295-53-0. is a native glycoprotein composed of two non-identical subunits of M.W. 120 kDa (α) and 75 kDa (β) linked by disulfide bonds.

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Synonym(s):
Complement C5, Human
CAS Number:
MDL number:

Quality Level

Assay

≥95% (SDS-PAGE)

form

liquid

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze
avoid repeated freeze/thaw cycles

impurities

IgG, IgA, IgM, albumin, ceruloplasmin or functionally C3, C6, C7, C8, or C9, trace

shipped in

wet ice

storage temp.

−70°C

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This Item
204910C3160C1740
Sigma-Aldrich

Sigma-Aldrich

204888

Complement C5, Human

Sigma-Aldrich

Sigma-Aldrich

204910

Complement C9, Human

form

liquid

form

liquid

form

solution

form

liquid

storage condition

OK to freeze, avoid repeated freeze/thaw cycles

storage condition

OK to freeze, avoid repeated freeze/thaw cycles

storage condition

-

storage condition

-

impurities

IgG, IgA, IgM, albumin, ceruloplasmin or functionally C3, C6, C7, C8, or C9, trace

impurities

IgG, IgA, IgM, albumin, C3, C4, C5, C6, C7, or C8, trace

impurities

-

impurities

-

shipped in

wet ice

shipped in

wet ice

shipped in

dry ice

shipped in

dry ice

storage temp.

−70°C

storage temp.

−70°C

storage temp.

−70°C

storage temp.

−70°C

General description

Native, human C5 complement component. Glycoprotein composed of two non-identical subunits of M.W. 120 kDa (α) and 75 kDa (β) linked by disulfide bonds. Present in normal human serum at 70 µg/ml. Activation of complement via either the classical or alternative pathway can result in the assembly of C5-cleaving enzymes (C5 convertases) on target surfaces. Both C5 convertases cleave the C5 α-chain at peptide bond 74 resulting in production of C5a (M.W. 11,200) and C5b fragments (M.W. 185,000). Released C5a peptide is one of the three complement-derived anaphylatoxins. C5b fragment combines with C6, C7, C8, and C9 to form lytic C5b-9 complement membrane attack complex (MAC).
Native, human C5 complement component. Glycoprotein composed of two non-identical subunits of M.W. 120,000 (α) and 75,000 (β) linked by disulfide bonds. Present in normal human serum at 70 µg/ml. Activation of complement via either the classical or alternative pathway can result in assembly of C5-cleaving enzymes (C5 convertases) on target surfaces. Both C5 convertases cleave the C5 α-chain at the peptide bond 74, resulting in production of C5a (M.W. 11,200) and C5b fragments (M.W. 185,000). Released C5a peptide is one of the three complement-derived anaphylatoxins. C5b fragment combines with C6, C7, C8, and C9 to form the lytic C5b-9 complement membrane attack complex (MAC).

Biochem/physiol Actions

≥100,000 C₅H₅0 units/mg; ≥60% of the C5 activity in normal human serum on a mg/mg basis

Packaging

Please refer to vial label for lot-specific concentration.

Warning

Toxicity: Standard Handling (A)

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).

Other Notes

Janatova, J. 1988. Methods Enzymol. 162, 579.
Wetsel, R.A., et al. 1980. J. Immunol. Methods 35, 319.

Legal Information

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

Storage Class Code

12 - Non Combustible Liquids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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