title: Enzymatic modification of aminoglycoside antibiotics: 3-N-acetyltransferase with broad specificity that determines resistance to the novel aminoglycoside apramycin.
abstract: Examination of a number of R-plasmid-containing bacterial isolates of animal origin has revealed the presence of a new aminoglycoside acetyltransferase (3-N) with a broad substrate range that includes all the disubstituted 2-deoxystreptamine antibiotics and also the novel monosubstituted antibiotic apramycin. Antibiotic derivatives acylated with hydroxyaminobutyric acid at the 1-amino position were not modified by the enzyme.
mesh_terms: D000123:Acetyltransferases / Q000502:physiology*; D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D004352:Drug Resistance, Microbial; D004926:Escherichia coli / Q000187:drug effects / Q000201:enzymology*; D009328:Nebramycin / Q000031:analogs & derivatives / Q000378:metabolism / Q000494:pharmacology*
chemical_list: D000900:Anti-Bacterial Agents; D009328:Nebramycin; D000123:Acetyltransferases