>tr|K6GTI5|K6GTI5_9BACT Small ribosomal subunit protein bS21 OS=Solidesulfovibrio magneticus str. Maddingley MBC34 GN=rpsU MPGVYLEESDNFDVALRRFKKQVEKSGILSELKKRQHFEKPSVMRKKKKAAARKRLLKKM RKINMM