title: Blocked, methylated 5'-terminal sequence in avian sarcoma virus RNA.
mesh_terms: D000227:Adenine Nucleotides / Q000032:analysis; D001358:Avian Sarcoma Viruses / Q000032:analysis*; D001483:Base Sequence; D006150:Guanine Nucleotides / Q000032:analysis; D008745:Methylation; D011061:Poly A / Q000032:analysis; D012333:RNA, Messenger / Q000032:analysis; D012367:RNA, Viral / Q000032:analysis*; D012087:Reoviridae / Q000032:analysis
chemical_list: D000227:Adenine Nucleotides; D006150:Guanine Nucleotides; D012333:RNA, Messenger; D012367:RNA, Viral; D011061:Poly A