title: Gastrin and the transforming protein of polyoma virus have evolved from a common ancestor.
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D000952:Antigens, Polyomavirus Transforming; D005075:Biological Evolution; D002472:Cell Transformation, Viral; D005755:Gastrins / Q000235:genetics*; D009154:Mutation; D011120:Polyomavirus / Q000235:genetics*; D014764:Viral Proteins / Q000235:genetics*
chemical_list: D000952:Antigens, Polyomavirus Transforming; D005755:Gastrins; D014764:Viral Proteins