title: Genetic polymorphism of C4 in man and localisation of a structural C4 locus to the HLA gene complex of chromosome 6.
mesh_terms: D002906:Chromosomes, Human, 6-12 and X; D003181:Complement C4 / Q000032:analysis; D003165:Complement System Proteins / Q000032:analysis; D004591:Electrophoresis, Polyacrylamide Gel; D005787:Gene Frequency; D005796:Genes; D008040:Genetic Linkage; D006680:HLA Antigens; D006649:Histocompatibility Antigens; D006801:Humans; D011110:Polymorphism, Genetic; D011414:Properdin
chemical_list: D003181:Complement C4; D006680:HLA Antigens; D006649:Histocompatibility Antigens; D011414:Properdin; D003165:Complement System Proteins