>tr|A0A0A2C0B1|A0A0A2C0B1_PROMR Small ribosomal subunit protein bS18 OS=Prochlorococcus marinus str. PAC1 GN=rpsR MTNSLFKQKLSPIKPGDPIDYKDVELLKKFITDRGKILPRRLTGLTAKQQRDLTTAVKRA RIIALLPFVNPEG