title: Chemistry of bleomycin. XX. The X-ray structure determination of P-3A Cu(II)-complex a biosynthetic intermediate of bleomycin.
mesh_terms: D001761:Bleomycin / Q000031:analogs & derivatives* / Q000096:biosynthesis; D055598:Chemical Phenomena; D002621:Chemistry; D003300:Copper; D003460:Crystallization; D008968:Molecular Conformation; D013302:Streptomyces / Q000378:metabolism; D014961:X-Ray Diffraction
chemical_list: D001761:Bleomycin; D003300:Copper