>tr|A0A7G9RSJ3|A0A7G9RSJ3_9BURK Small ribosomal subunit protein bS21 OS=Diaphorobacter ruginosibacter GN=rpsU MTTIRVKENEPFDVALRRFKRTIEKLGLLTDLRAREFYEKPTAERKRKKAAAVKRHYKRV RSMQLPKKLY