>tr|A0A2R7NPL7|A0A2R7NPL7_9BURK Small ribosomal subunit protein bS21 OS=Acidovorax sp. HMWF018 GN=rpsU MTTIRVKENEPFDVALRRFKRTIEKLGLLTDLRAREFYEKPTAERKRKKAAAVKRHYKRV RSMQLPKKLY