>tr|A0A077N3X5|A0A077N3X5_XENBV Small ribosomal subunit protein bS21 OS=Xenorhabdus bovienii str. puntauvense GN=rpsU MPVIKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKASAVKRHAKKL ARENARRTRLY