Sequence alignment between 2y0x(4) and UniProt seq Q5SJE1 (RL31_THET8):

Q5SJE1 (RL31_THET8): 50S ribosomal protein L31 from Thermus thermophilus (strain ATCC 27634 / DSM 579 / HB8) 
                 10        20        30        40        50        60        70 
         ---------+---------+---------+---------+---------+---------+---------+-
UniProt: MKEGIHPKLVPARIICGCGNVIETYSTKPEIYVEVCSKCHPFYTGQQRFVDTEGRVERFQRRYGDSYRKGR
PDB seq: ---GIHPKLVPARIICGCGNVIETYSTKPEIYVEVCSKCHPFYTGQQ------------------------
            ------+---------+---------+---------+-------                        
                 10        20        30        40