>tr|A0ABX7MJU9|A0ABX7MJU9_ERWAM 50S ribosomal protein L21 OS=Erwinia amylovora GN=rplU MYAVFQSGGKQHRVSEGQTVRLEKLDIATGETIEFDQVLMIANGEDVKIGAPLVSGGVIK AEIVAHGRGDKIKIVKFRRRKHYRKQQGHRQWFTDVKITGISA