>tr|A0A0P7WGG2|A0A0P7WGG2_9GAMM Small ribosomal subunit protein bS21 OS=Marinobacter sp. HL-58 GN=rpsU MPAVKVKENEPFDVALRRFKRSCEKAGVLSEVRRREHYEKPTAVRKRKAAAAVKRHLKKL QREQRKFERLY