title: Correlation of structure and activity in ansamycins: molecular structure of cyclized rifamycin SV.
mesh_terms: D000900:Anti-Bacterial Agents / Q000494:pharmacology; D047029:Lactams, Macrocyclic; D008968:Molecular Conformation; D012294:Rifamycins; D013329:Structure-Activity Relationship
chemical_list: D000900:Anti-Bacterial Agents; D047029:Lactams, Macrocyclic; D012294:Rifamycins