>tr|A0A1I5D8Z5|A0A1I5D8Z5_9BURK Small ribosomal subunit protein bS21 OS=Variovorax sp. PDC80 GN=rpsU MTTIRVKENEPFDVALRRFKRTIEKLGLLTDLRAREFYEKPTAERKRKKAAAVKRHYKRV RSMQLPKKLY