title: Mutations in osteogenesis imperfecta leading to the synthesis of abnormal type I procollagens.
mesh_terms: D001483:Base Sequence; D005347:Fibroblasts / Q000378:metabolism; D005796:Genes; D006801:Humans; D009154:Mutation; D010013:Osteogenesis Imperfecta / Q000235:genetics*; D011347:Procollagen / Q000096:biosynthesis / Q000235:genetics*; D012333:RNA, Messenger / Q000235:genetics; D014158:Transcription, Genetic
chemical_list: D011347:Procollagen; D012333:RNA, Messenger