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Complement C4b, Human

市场价：: 0.00

促销价：: ¥0.00

货号：204897-250UG

品牌：Millipore 密理博

配送至：

北京朝阳

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数量：

EA (预计3-5工作日到货)

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Replacement Information

Description
Overview	Native, 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 Number	204897
Brand Family	Calbiochem®

References
References	Weisman, H.F., et al. 1990. Science 249, 146. Holers, M.V., et al. 1985. Immunology Today 6, 188.

Product Information
Form	Liquid
Formulation	In PBS, pH 7.2.
Preservative	None

Applications

Biological Information
Purity	≥95% by SDS-PAGE
Source	Prepared 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
Contaminants	IgG, 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 Instructions	Following initial thaw, aliquot and freeze (-70°C).

Packaging Information

Transport Information

Supplemental Information

Specifications

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