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204882  Complement C2, Human

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14 February 2012

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Product number Size Quantity Price
204882-50UG  50 μg 
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Prices are subject to change without notice.
Native, human C2 complement component. Single chain glycoprotein present in normal human serum at concentration of 20 µg/ml. Classical pathway activation results in assembly of the C1,C4b complex on target surfaces. Subsequent to binding of the C4b component to this complex, C2 is cleaved by the activated C1s subcomponent of C1 into C2a, the 63 kDa C-terminal fragment, and C2b, the 30 kDa N-terminal fragment. The smaller C2b fragment is released while the larger C2a fragment remains associated with the C1,C4b complex to form the C4b,C2a classical pathway C3 convertase enzyme. C2 concentration is based on functional activity measurements relative to a normal human serum standard pool.
Product information
Form Liquid
Formulation In PBS, pH 6.0.
Molar mass 93000
Avoid freeze/thaw Yes
Activity ≥4 × 105 C2H50 units/mg; ≥70% of the C2 activity in normal human serum on a mg/mg basis
Purity ≥90% by SDS-PAGE
Contaminants C1, C3, C4, C5, IgG, IgA, IgM, albumin, Factor B, or hemopexin:
Source Prepared from plasma that has been shown by certified tests to be negative for HBsAg and for antibodies to HIV and HCV.
Store and ship information
Storage ≤ -70°C
Ship Dry Ice Only
Standard Handling

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