>tr|A0A3E1KLN5|A0A3E1KLN5_9XANT Small ribosomal subunit protein bS21 OS=Xanthomonas nasturtii GN=rpsU MPSVKVRENEPFEFALRRFKRTCEKAGVLAETRKREFYEKPTQERKRKAAAAVKRQLRRS SRDVTKRQRLY