>tr|A0A1X3IXI2|A0A1X3IXI2_ECOLX Small ribosomal subunit protein bS21 OS=Escherichia coli TA447 GN=rpsU
MPVIKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKASAVKRHAKKL
ARENARRTRLY