title: Dw/LD-related molecular polymorphism of DR4 beta-chains.
abstract: The results of this study demonstrate the existence of molecular heterogeneity (polymorphism) within DR beta-chains isolated from a single serologically defined DR phenotype, DR4. The data are consistent with the possibility that this polymorphism is related to the Dw/LD phenotype as defined with the cellular reagents, homozygous typing cells.
mesh_terms: D001402:B-Lymphocytes / Q000276:immunology; D002460:Cell Line; D004591:Electrophoresis, Polyacrylamide Gel; D000939:Epitopes / Q000235:genetics*; D005802:Genes, MHC Class II; D006684:HLA-DR Antigens; D015804:HLA-DR4 Antigen; D006801:Humans; D011110:Polymorphism, Genetic
chemical_list: D000939:Epitopes; D006684:HLA-DR Antigens; D015804:HLA-DR4 Antigen