title: Properties and amino acid composition of polyoma virus purified by zonal ultracentrifugation.
mesh_terms: D000409:Alanine / Q000032:analysis; D000596:Amino Acids / Q000032:analysis*; D000818:Animals; D001120:Arginine / Q000032:analysis; D001224:Aspartic Acid / Q000032:analysis; D002499:Centrifugation, Density Gradient; D002501:Centrifugation, Zonal; D003168:Complement Fixation Tests; D004912:Erythrocytes; D006386:Hemagglutination Tests; D007930:Leucine / Q000032:analysis; D008239:Lysine / Q000032:analysis; D008715:Methionine / Q000032:analysis; D008722:Methods; D011120:Polyomavirus / Q000032:analysis / Q000276:immunology / Q000302:isolation & purification*; D012694:Serine / Q000032:analysis; D012756:Sheep; D014461:Ultracentrifugation
chemical_list: D000596:Amino Acids; D001224:Aspartic Acid; D012694:Serine; D001120:Arginine; D008715:Methionine; D007930:Leucine; D008239:Lysine; D000409:Alanine