title: VH4.21 expression in the normal human B-cell repertoire.
mesh_terms: D000328:Adult; D015551:Autoimmunity; D001402:B-Lymphocytes / Q000276:immunology*; D003001:Cloning, Molecular; D005312:Fetal Blood / Q000166:cytology / Q000276:immunology; D015870:Gene Expression; D015723:Gene Library; D015326:Gene Rearrangement, B-Lymphocyte, Heavy Chain; D005803:Genes, Immunoglobulin; D006801:Humans; D007127:Immunoglobulin Constant Regions / Q000235:genetics; D007143:Immunoglobulin Heavy Chains / Q000235:genetics*; D007135:Immunoglobulin Variable Region / Q000235:genetics*; D007142:Immunoglobulin gamma-Chains / Q000235:genetics; D007148:Immunoglobulin mu-Chains / Q000235:genetics; D007231:Infant, Newborn; D005810:Multigene Family
chemical_list: D007127:Immunoglobulin Constant Regions; D007143:Immunoglobulin Heavy Chains; D007135:Immunoglobulin Variable Region; D007142:Immunoglobulin gamma-Chains; D007148:Immunoglobulin mu-Chains