>sp|A8FS63|RS21_SHESH Small ribosomal subunit protein bS21 OS=Shewanella sediminis (strain HAW-EB3) OX=425104 GN=rpsU PE=3 SV=1 MPIIKVRDNEPFDVALRRFKRSCEKAGILADVRAREFYEKPTTARKRAKAAAIKRLAKKL SRENARRVRLY