>tr|A0A0D0I0N6|A0A0D0I0N6_STEMA Small ribosomal subunit protein bS21 OS=Stenotrophomonas maltophilia GN=rpsU MPSVKVRENEPFEFALRRFKRTCEKAGVLAETRKREFYEKPTQERKRKAAAAVKRQLRRS SRDVTKRQRLY