General

C1q Protein in 40 % Glycerol Catalog Number: A100 Sizes Available: 1000 μg/vial Concentration: 1.0 mg/mL (see Certificate of Analysis for actual concentration) Form: Frozen liquid Activity: > 1,000,000 C1H50 units/mg Purity: > 98% by SDS PAGE Buffer: 40% glycerol, 10 mM HEPES, 300 mM NaCl, pH 7.2 Extinction Coeff. A280 nm = 0.68 at 1.0 mg/ml for pure C1q Molecular weight: 410,000 Da (18 chains) Preservative: None, 0.22 μm filtered. Storage: -70C or below. Avoid freeze/thaw. Source: Normal human serum (shown by certified tests to be negative for HBsAg, HTLV-I/II, STS, and for antibodies to HCV, HIV-1 and HIV-II). Precautions: Use normal precautions for handling human blood products. Origin: Manufactured in the USA.