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Complement C3, Human

市场价：: 0.00

促销价：: ¥0.00

货号：204885-250UG

品牌：Millipore 密理博

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北京朝阳

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EA (预计3-5工作日到货)

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Description
Overview	Native, human C3 complement component. Glycoprotein composed of two non-identical disulfide-bonded subunits with M.W. of 115 kDa (α) and 75 kDa (β). Present in normal human serum at 1.25 mg/ml. Classical and alternative activation pathways of complement converge at C3 step. Activation via either pathway can result in assembly of C3-cleaving enzymes (C3 convertases) on target surfaces. Both C3 convertases cleave the C3 α-chain at peptide bond 77 resulting in production of C3a (M.W. 9083) and C3b fragments (M.W. 180,000). Released C3a peptide is one of the three complement anaphylatoxins. The nascent C3b fragment can form a covalent ester bond with target surface. This covalent attachment of C3b to target acceptors is required for continuation of complement activation.
Catalogue Number	204885
Brand Family	Calbiochem®

References
References	Lambris, J.D. and Muller-Eberhard, H.J. 1986. Mol. Immunol. 23, 1237. Tack, B.F., et al. 1980. Methods Enzymol. 80, 64.

Product Information
CAS number	80295-41-6
Form	Liquid
Formulation	In PBS.

Applications

Biological Information
Biological activity	>3,000 C₃H₅0 units/mg; ≥60% of the C3 activity in normal human serum on a mg/mg basis.
Purity	≥85% by SDS-PAGE
Source	Prepared from serum that has been shown by certified tests to be negative for HBsAg and for antibodies to HIV and HCV.

Physicochemical Information
Contaminants	IgG, IgA, IgM, C4, functionally active C5, albumin or ceruloplasmin: ≤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 Instructions	Following initial thaw, aliquot and freeze (-70°C).

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