title: Structure and activity of hepatitis B antigen (HBAg). 1. Studies on some conformational aspects and chemical modification of hepatitis B antigen.
mesh_terms: D000478:Alkylation; D002852:Chromatography, Ion Exchange; D000939:Epitopes; D006146:Guanidines / Q000494:pharmacology; D006385:Hemagglutination Inhibition Tests; D006511:Hepatitis B Antigens / Q000032:analysis; D007457:Iodine Radioisotopes; D008239:Lysine; D010084:Oxidation-Reduction; D011863:Radioimmunoassay; D013053:Spectrophotometry; D013329:Structure-Activity Relationship; D013386:Succinates / Q000494:pharmacology; D014508:Urea / Q000494:pharmacology; D014764:Viral Proteins
chemical_list: D000939:Epitopes; D006146:Guanidines; D006511:Hepatitis B Antigens; D007457:Iodine Radioisotopes; D013386:Succinates; D014764:Viral Proteins; D014508:Urea; D008239:Lysine