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. 1969 Nov 1;130(5):1145-60.
doi: 10.1084/jem.130.5.1145.

The eighth component of human complement (C8): isolation, characterization, and hemolytic efficiency

J A Manni, H J Müller-Eberhard

The eighth component of human complement (C8): isolation, characterization, and hemolytic efficiency

J A Manni et al. J Exp Med. .

Abstract

A method was described allowing the isolation of the eighth component of complement, C8, from human serum. C8 is an immunochemically definable, heretofore unrecognized serum protein with a molecular weight of approximately 150,000 and an electrophoretic mobility of a gamma(1)-globulin. It may be obtained with 5% yield as a 5000-fold purified, physicochemically and immunochemically homogeneous protein. Under optimal experimental conditions, a few molecules of C8 were found sufficient for lysis of a cell.

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