>tr|A0ABM6QQA9|A0ABM6QQA9_BACCL 50S ribosomal protein L21 OS=Bacillus caldolyticus GN=rplU MYAIIETGGKQLKVEEGQEIYIEKLDANEGDTVTFDKVLFVGGETVKIGNPTVEGATVTA RVQKHGRQKKIIVFKYKAKKNYRRKQGHRQPYTKVVIEKINA