>tr|A0A2S6B0V6|A0A2S6B0V6_9GAMM Small ribosomal subunit protein bS21 OS=Pseudoxanthomonas sp. KAs_5_3 GN=rpsU MPSVKVRENEPFEFALRRFKRTCEKAGVLAETRKREFYEKPTQERKRKAAAAVKRQLRRS SRDVTKRQRLY