>tr|A0A4Q1CWA0|A0A4Q1CWA0_9GAMM Small ribosomal subunit protein bS21 OS=Stenotrophomonas sp. MA5 GN=rpsU MPSVKVRENEPFEFALRRFKRTCEKAGVLAETRKREFYEKPTQERKRKAAAAVKRQLRRS SRDVTKRQRLY