>tr|A0A1I4RGM4|A0A1I4RGM4_9BURK Small ribosomal subunit protein bS21 OS=Variovorax sp. OV329 GN=rpsU MTTIRVKENEPFDVALRRFKRTIEKLGLLTDLRAREFYEKPTAERKRKKAAAVKRHYKRV RSMQLPKKLY