>tr|A0A165IW71|A0A165IW71_9BURK Small ribosomal subunit protein bS21 OS=Acidovorax sp. GW101-3H11 GN=rpsU MTTIRVKENEPFDVALRRFKRTIEKLGLLTDLRAREFYEKPTAERKRKKAAAVKRHYKRV RSMQLPKKLY