Article
Genetics of human complement component C4 and evolution the central MHC.
Frontiers in bioscience : a journal and virtual library - 1 Aug 2001
Martinez O P, Longman-Jacobsen N, Davies R, Chung E K, Yang Y, Gaudieri S, Dawkins R L, Yu C Y
Abstract excerpt
The two classes of human complement component C4 proteins C4A and C4B manifest differential chemical reactivities and binding affinities towards target surfaces and complement receptor CR1. There are multiple, polymorphic allotypes of C4A and C4B proteins. A complex multiplication pattern of C4A and C4B genes with variations in gene size, gene dosage and flanking genes exists in the population. This is probably...
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