>tr|A0A7G8VJC7|A0A7G8VJC7_9BURK Small ribosomal subunit protein bS21 OS=Variovorax sp. PAMC26660 GN=rpsU MTTIRVKENEPFDVALRRFKRTIEKLGLLTDLRAREFYEKPTAERKRKKAAAVKRHYKRV RSMQLPKKLY