With S5 and S12 plays an important role in translational accuracy (By similarity). 206 RS4_LEGPH One of the primary rRNA binding proteins, it binds directly to 16S rRNA where it nucleates assembly of the body of the 30S subunit (By similarity). 30S ribosomal protein S4 MARYLGPKCKLSRREGCDLLLKSGVRDHKSKCKSEKLPGQHGDKKPRLNSYGIQLREKQKIRRLYGILEKQFRNYYKKAARQKGSTGENLMALLERRLDNVVYRMGFASTRAEARQLVAHKAILVNDKVVNVPSFLVNPGDTVSVRQKAKNQGRIQAALALSEQRAPCDWITVDTGSFKGTFSTAPTLMDLSSDYNVNLVVELYSK lpg0353 rpsD