title: Similarity between p15E of murine and feline leukaemia viruses and p21 of HTLV.
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D002415:Cats; D006801:Humans; D051379:Mice; D012190:Retroviridae / Q000032:analysis*; D014759:Viral Envelope Proteins / Q000276:immunology*
chemical_list: D014759:Viral Envelope Proteins