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Complement C1s, Human, Activated, Two-Chain Form

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号:204879-250UG

牌:Millipore 密理博

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Replacement Information
Description
Overview Native, human, activated C1s complement component. Present in human serum at 31 µg/ml. Nonactivated C1s is found in circulating blood plasma as a Ca2+-dependent dimer in association with one C1q molecule and two C1r molecules to form the first component of complement (C1). Ensuing C1q binding to classical complement pathway activators, each C1r protein is cleaved to form activated C1r enzyme. Dimeric C1r enzyme cleaves, and thus activates, each C1s molecule into two disulfide-linked fragments of M.W. 59 kDa and 28 kDa. The 28 kDa peptide contains the C1s enzymatic active site. Activated C1s continues activation via classical pathway by cleaving, and thus activating, C2 and C4.
Catalogue Number 204879
Brand Family Calbiochem®
References
References Cooper, N.R. 1985. Adv. Immunol. 37, 151.
Sim, R.B. 1981. Methods Enzymol. 80, 6.
Product Information
CAS number 80295-35-8
Form Liquid
Formulation In 130 mM NaCl, 50 mM sodium phosphate, pH 7.2.
Applications
Biological Information
Purity ≥95% 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.
Concentration Label Please refer to vial label for lot-specific concentration
Physicochemical Information
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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