>tr|A0A1Q8G7D5|A0A1Q8G7D5_9GAMM Small ribosomal subunit protein bS21 OS=Marinobacter sp. C18 GN=rpsU MPAVKVKENEPFDVALRRFKRSCEKAGVLSEVRRREHYEKPTAVRKRKAAAAVKRHLKKL QREQRKFERLY