>tr|A0A4R7FDG8|A0A4R7FDG8_9BURK Small ribosomal subunit protein bS21 OS=Comamonas sp. JUb58 GN=rpsU MTTIRVKENEPFDVALRRFKRTIEKLGLLTDLRAREFYEKPTAERKRKKAAAVKRHYKRV RSMQLPKKLY