>sp|Q5M3E1|RS21_STRT2 Small ribosomal subunit protein bS21 OS=Streptococcus thermophilus (strain ATCC BAA-250 / LMG 18311) OX=264199 GN=rpsU PE=3 SV=2 MSKIVVRKNESLDDALRRFKRSVTKAGTLQEARKREHYEKPSVKRKRKSEAARKRKKI