title: Interaction of divalent and trivalent cations with antibiotic U-20,661, a DNA binding agent.
mesh_terms: D000535:Aluminum; D000818:Animals; D000900:Anti-Bacterial Agents; D002118:Calcium; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D003035:Cobalt; D004247:DNA; D007477:Ions; D007501:Iron; D008274:Magnesium; D008297:Male; D008345:Manganese; D011485:Protein Binding; D012487:Salmonidae; D013053:Spectrophotometry; D013094:Spermatozoa
chemical_list: D000900:Anti-Bacterial Agents; D007477:Ions; D003035:Cobalt; D008345:Manganese; D004247:DNA; D000535:Aluminum; D007501:Iron; D008274:Magnesium; D002118:Calcium