>tr|A0A3S9L216|A0A3S9L216_9GAMM Small ribosomal subunit protein bS21 OS=Shewanella khirikhana OX=1965282 GN=rpsU PE=3 SV=1 MPIVKVRENEPFDVALRRFKRSCEKAGILADVRAREFYEKPTTARKRAKAAAVKRLAKKL SRENARRVRLY