>tr|A0A4P7R9M3|A0A4P7R9M3_9BURK Small ribosomal subunit protein bS21 OS=Hydrogenophaga sp. PAMC20947 OX=2565558 GN=rpsU PE=3 SV=1 MTTIRVKDNEPFDVALRRFKRTIEKLGLLTDLRAREFYEKPTAERKRKKAAAVKRNYKRI RAMQLPKKLY