30S ribosomal protein S4 rpsD With S5 and S12 plays an important role in translational accuracy (By similarity). 200 MARFRGSNWKKSRRLGISLSGTGKELEKRPYAPGQHGPNQRKKLSEYGLQLREKQKLRYLYGMTERQFRNTFDIAGKKFGVHGENFMILLASRLDAVVYSLGLARTRRQARQLVNHGHILVDGKRVDIPSYSVKPGQTISVREKSQKLNIIVESVEINNFVPEYLNFDADSLTGTFVRLPERSELPAEINEQLIVEYYSR 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). SaurJH9_1775 RS4_STAA9