Sequence alignment between 8a57(U) and UniProt seq Q8Y6Y9 (RL21_LISMO):

Q8Y6Y9 (RL21_LISMO): Large ribosomal subunit protein bL21 from Listeria monocytogenes serovar 1/2a (strain ATCC BAA-679 / EGD-e)
                 10        20        30        40        50        60        70        80        90       100  
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+--
UniProt: MYAIIETGGKQIKVEAGQEIYVEKLAGEVGDVVTFDKVLFVGGDSAKVGVPFVEGATVTAKVEKQGRAKKLTVYKYKPKKNYHKKQGHRQPYTKLTIDAINA
PDB seq: MYAIIETGGKQIKVEAGQEIYVEKLAGEVGDVVTFDKVLFVGGDSAKVGVPFVEGATVTAKVEKQGRAKKLTVYKYKPKKNYHKKQGHRQPYTKLTIDAIN-
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+- 
                 10        20        30        40        50        60        70        80        90       100