aminoglycoside antibiotic ribostamycin ARO:0000021 xylostatin ChEMBL:CHEMBL221572 CAS:25546-65-0 dekamycin IV antibiotic_resistance hetangmycin Ribostamycin is an aminoglycoside antibiotic used to treat different types of bacterial infections. Ribostamycin 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. ChEBI:45257 vistamycin PubChem:33042 ribastamin