>tr|A0A602YWI5|A0A602YWI5_SALET Small ribosomal subunit protein bS21 OS=Salmonella enterica subsp. enterica serovar Pensacola GN=rpsU MPVIKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKASAVKRHAKKL ARENARRTRLY