>tr|A0A126NM78|A0A126NM78_9GAMM Small ribosomal subunit protein bS21 OS=Stenotrophomonas sp. KCTC 12332 GN=rpsU MPSVKVRENEPFEFALRRFKRTCEKAGVLAETRKREFYEKPTQERKRKAAAAVKRQLRRS SRDVTKRQRLY