title: Nuclear RNA precursors in the processing pathway to MOPC 21 kappa light chain messenger RNA.
mesh_terms: D002478:Cells, Cultured; D007127:Immunoglobulin Constant Regions; D007147:Immunoglobulin Light Chains; D007135:Immunoglobulin Variable Region; D007145:Immunoglobulin kappa-Chains; D009101:Multiple Myeloma / Q000276:immunology; D011061:Poly A; D012333:RNA, Messenger; D014158:Transcription, Genetic; D014466:Ultraviolet Rays
chemical_list: D007127:Immunoglobulin Constant Regions; D007147:Immunoglobulin Light Chains; D007135:Immunoglobulin Variable Region; D007145:Immunoglobulin kappa-Chains; D012333:RNA, Messenger; D011061:Poly A