Antibiotic Subclassification Example Representative structure classification NH2 IV. Amino acid Amino acid derivatives Cycloserine and peptide β-Lactam antibiotics Penicillin, OH CONH analogs ceftriaxone Peptide antibiotics Bacitracin COOH 氨基酸与 Chromopeptides Actinomycin CH2OH HN Depsipeptides Valinomycin Ceftriaxone Chelate-forming Bleomycin COOH 肽类似物 peptides COHNCH H2NCH V Heterocyclic Nucleoside antibiotics Polyoxins HCOH compounds HOCH OHOH containing nitrogen 含氮杂环类 CH2OCONH2 Polyoxin B多氧菌素 VI. Heterocyclic Polyether antibiotics Monensin H3C H3C compounds CH2CH3 containing CH3 oxygen 含氧杂环类 CH20H OH CH3 CH(CH3)COOH Monensin Figure 20-13 part 2 Brock Biology of Microorganisms 11/e 莫能菌素 2006 Pearson Prentice Hall,Inc.含氮杂环类 含氧杂环类 氨基酸与 肽类似物 莫能菌素 多氧菌素