>tr|A0A0A1ZI91|A0A0A1ZI91_PROMR Small ribosomal subunit protein bS18 OS=Prochlorococcus marinus str. GP2 GN=rpsR MPNSIFKKQLSPIKPGDPIDYKDVELLKKFITERGKILPRRMTGLTSKQQRDLTLAVKRA RIVALLPFVNPEG