aminoglycoside antibiotic butirosin ChEBI:65109 ChEMBL:CHEMBL3549904 PubChem:72393 Butirosin is an aminoglycoside antibiotic used to treat different types of bacterial infections. Butirosin works by binding to the bacterial 30S ribosomal subunit, causing misreading of mRNA and leaving the bacterium unable to synthesize proteins vital to its growth. ambutyrosin sulfate CAS:12772-35-9 ARO:0000024 antibiotic_resistance butirosin sulphate