For Research Use Only. Not for use in diagnostic procedures.

Purified human complement Factor H. Factor H is a fluid phase complement regulatory protein. It consists of a single peptide chain with a molecular weight of 155 KD. Factor H regulates the formation of the alternative pathway convertase enzyme by functioning as a cofactor for cleavage of C3b by Factor I.

All Quidel complement components are tested for functional activity in standard functional assay and for biochemical purity by SDS-polyacrylamide gel electrophoresis. Please refer to the Certificate of Analysis for lot specific information on functional titer.

Quidel's purified human complement components are useful in a wide variety of immunochemical and research applications.