title: Chemical modification of peptide antibiotics: Part IV--biologically active synthetic peptides & derivatives.
mesh_terms: D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D013293:Enterococcus faecalis / Q000187:drug effects; D004926:Escherichia coli / Q000187:drug effects; D006096:Gramicidin; D010455:Peptides / Q000138:chemical synthesis / Q000494:pharmacology*; D013329:Structure-Activity Relationship
chemical_list: D000900:Anti-Bacterial Agents; D010455:Peptides; D006096:Gramicidin