title: Identification of three 30S proteins contributing to the ribosomal A site.
mesh_terms: D001426:Bacterial Proteins / Q000302:isolation & purification*; D001665:Binding Sites; D004926:Escherichia coli / Q000032:analysis*; D005827:Genetics, Microbial; D012329:RNA, Bacterial; D012333:RNA, Messenger; D012335:RNA, Ribosomal; D012270:Ribosomes
chemical_list: D001426:Bacterial Proteins; D012329:RNA, Bacterial; D012333:RNA, Messenger; D012335:RNA, Ribosomal