title: Levels of resistance in ribosomes from genetically linked, streptomycin-resistant mutants of pneumococcus.
mesh_terms: D002247:Carbon Isotopes; D002474:Cell-Free System; D004352:Drug Resistance, Microbial; D005827:Genetics, Microbial; D007532:Isoleucine / Q000378:metabolism; D008274:Magnesium / Q000494:pharmacology; D009154:Mutation; D010649:Phenylalanine / Q000378:metabolism; D011119:Polynucleotides / Q000378:metabolism; D012333:RNA, Messenger / Q000378:metabolism; D012270:Ribosomes / Q000187:drug effects* / Q000378:metabolism; D013296:Streptococcus pneumoniae / Q000187:drug effects*; D013307:Streptomycin / Q000494:pharmacology*; D014316:Tritium; D014633:Valine / Q000378:metabolism
chemical_list: D002247:Carbon Isotopes; D011119:Polynucleotides; D012333:RNA, Messenger; D007532:Isoleucine; D014316:Tritium; D010649:Phenylalanine; D014633:Valine; D008274:Magnesium; D013307:Streptomycin