>tr|A0A3V7I4Q7|A0A3V7I4Q7_SALET Small ribosomal subunit protein bS21 OS=Salmonella enterica subsp. enterica serovar Weltevreden GN=rpsU MPVIKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKASAVKRHAKKL ARENARRTRLY