title: Structure and activity of hepatitis B antigen (HBAg). 2. Amino acid composition of an active subunit of HBAg.
mesh_terms: D000596:Amino Acids / Q000032:analysis*; D002501:Centrifugation, Zonal; D004590:Electrophoresis, Paper; D006511:Hepatitis B Antigens / Q000032:analysis* / Q000302:isolation & purification; D006801:Humans; D008623:Mercaptoethanol; D008970:Molecular Weight; D010455:Peptides / Q000032:analysis; D010949:Plasma / Q000276:immunology; D011863:Radioimmunoassay; D014364:Tryptophan / Q000032:analysis; D014465:Ultrasonics; D014508:Urea
chemical_list: D000596:Amino Acids; D006511:Hepatitis B Antigens; D010455:Peptides; D008623:Mercaptoethanol; D014364:Tryptophan; D014508:Urea