>tr|A0A1H4H5N3|A0A1H4H5N3_9BURK Small ribosomal subunit protein bS21 OS=Variovorax sp. YR216 GN=rpsU MTTIRVKENEPFDVALRRFKRTIEKLGLLTDLRAREFYEKPTAERKRKKAAAVKRHYKRV RSMQLPKKLY