Merck, 341274-250UG, Factor H, Human

General description
Native factor H from human serum. Single-chain multi-functional glycoprotein present in normal human serum at about 500 µg/ml. Regulates formation and function of complement C3 and C5 convertase enzymes. A C3b-binding protein that does not exhibit enzymatic activity. Regulatory activity is attributed to its ability to recognize and bind to C3b fragments.
Physical form
In PBS, pH 7.2.
Preparation Note
Following initial thaw, aliquot and freeze (-70°C).
Prepared from serum that has been shown by certified tests to be negative for HBsAg and for antibodies to HIV and HCV.
Other Notes
Zipfel, P.F., et al. 1999. Immunopharmacology 42, 53.
Pangburn, M.K. and Muller-Eberhard, H.J. 1984. Springer Semin. Immunopathol. 7, 163.
Fearon, D.T. and Austen, K.F. 1977. Proc. Natl. Acad. Sci. USA 74, 1683.
Legal Information
CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
Disclaimer
RESEARCH USE ONLY. This product is regulated in France when intended to be used for scientific purposes, including for import and export activities (Article L 1211-1 paragraph 2 of the Public Health Code). The purchaser (i.e. enduser) is required to obtain an import authorization from the France Ministry of Research referred in the Article L1245-5-1 II. of Public Health Code. By ordering this product, you are confirming that you have obtained the proper import authorization.
Toxicity: Standard Handling (A)