>sp|Q72HR2|RL21_THET2 Large ribosomal subunit protein bL21 OS=Thermus thermophilus GN=rplU MFAIVKTGGKQYRVEPGLKLRVEKLDAEPGATVELPVLLLGGEKTVVGTPVVEGASVVAE VLGHGRGKKILVSKFKAKVQYRRKKGHRQPYTELLIKEIRG