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. 1968 Nov 22;162(3856):905-7.
doi: 10.1126/science.162.3856.905.

Genetic polymorphism of C'3(beta1C-globulin) in human serum

E A Azen, O Smithies

Genetic polymorphism of C'3(beta1C-globulin) in human serum

E A Azen et al. Science. .

Abstract

Genetic polymorphism of the third component of human complement and its breakdown products has been detected in human serum by high-voltage starch-gel electrophoresis. Six phenotypes were observed in a study of 113 randomly chosen Caucasians. Their inheritance is controlled by four codominant alleles at an autosomal locus. The gene frequencies in this study were C3(1), 0.21; C3(2), 0.77; C3(3), approximately 0.01; and C3(4), approximately 0.004.

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