title: The complex of 16 S RNA with proteins S4, S7, S8, S15 retains the main morphological features of the 30 S ribosomal subparticle.
mesh_terms: D004926:Escherichia coli / Q000378:metabolism; D046911:Macromolecular Substances; D008854:Microscopy, Electron; D008970:Molecular Weight; D012335:RNA, Ribosomal / Q000378:metabolism; D012269:Ribosomal Proteins / Q000378:metabolism; D012270:Ribosomes / Q000378:metabolism / Q000648:ultrastructure*
chemical_list: D046911:Macromolecular Substances; D012335:RNA, Ribosomal; D012269:Ribosomal Proteins