>tr|A0A318R2Q2|A0A318R2Q2_PROMR Small ribosomal subunit protein bS18 OS=Prochlorococcus marinus XMU1408 GN=rpsR MTNSLFKQKLSPIKPGDPIDYKDVELLKKFITDRGKILPRRLTGLTAKQQRDLTTAVKRA RIIALLPFVNPEG