title: The immune system: a web of V-domains.
mesh_terms: D000818:Animals; D000918:Antibody Specificity; D001402:B-Lymphocytes / Q000276:immunology; D001666:Binding Sites, Antibody; D000939:Epitopes; D007126:Immunoglobulin Allotypes; D051379:Mice; D008954:Models, Biological; D051381:Rats; D013601:T-Lymphocytes / Q000276:immunology
chemical_list: D000939:Epitopes; D007126:Immunoglobulin Allotypes