>tr|A0A1D8YB09|A0A1D8YB09_9GAMM Small ribosomal subunit protein bS21 OS=Stenotrophomonas sp. LM091 GN=rpsU MPSVKVRENEPFEFALRRFKRTCEKAGVLAETRKREFYEKPTQERKRKAAAAVKRQLRRS SRDVTKRQRLY