>tr|A0A4Q2R6F0|A0A4Q2R6F0_9ENTR Small ribosomal subunit protein bS21 OS=Enterobacter cloacae complex sp. 743-2DZ2F-22B GN=rpsU MPVIKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKASAVKRHAKKL ARENARRTRLY