>tr|A0A3T0G354|A0A3T0G354_9XANT Small ribosomal subunit protein bS21 OS=Xanthomonas sp. ISO98C4 GN=rpsU MPSVKVRENEPFEFALRRFKRTCEKAGVLAETRKREFYEKPTQERKRKAAAAVKRQLRRS SRDVTKRQRLY