>sp|A1S3S7|RS21_SHEAM Small ribosomal subunit protein bS21 OS=Shewanella amazonensis (strain ATCC BAA-1098 / SB2B) OX=326297 GN=rpsU PE=3 SV=1 MPIVKVRENEPFDVALRRFKRSCEKAGILADVRAREFYEKPTTARKRAKAAAVKRLAKKL SRENARRVRLY