>tr|A0A1S0ZA25|A0A1S0ZA25_SALET Small ribosomal subunit protein bS21 OS=Salmonella enterica subsp. enterica serovar Saintpaul GN=rpsU MSKTVVRKNESLDDALRRFKRAVTKAGTLQETRKREFYEKPSVKRKRKSEAARKRKKF