>tr|A0A1F4N9B0|A0A1F4N9B0_9BURK Small ribosomal subunit protein bS21 OS=Burkholderiales bacterium RIFCSPLOWO2_12_FULL_64_99 GN=rpsU MTTIRVKENEPFDVALRRFKRTIEKLGLLTDLRAREFYEKPTAERKRKKAAAVKRHYKRV RSMQLPKKLY