title: The 30 S ribosomal subparticle retains its main morphological features after removal of half the proteins.
mesh_terms: D002458:Cell Fractionation; D002501:Centrifugation, Zonal; D004926:Escherichia coli / Q000378:metabolism / Q000648:ultrastructure*; D008854:Microscopy, Electron; D010445:Peptide Elongation Factors; D014176:Protein Biosynthesis; D012269:Ribosomal Proteins / Q000032:analysis* / Q000378:metabolism; D012270:Ribosomes / Q000378:metabolism / Q000648:ultrastructure*
chemical_list: D010445:Peptide Elongation Factors; D012269:Ribosomal Proteins