Sequence alignment between 4wt8(D) and UniProt seq P60492 (RL21_THET8):

P60492 (RL21_THET8): Large ribosomal subunit protein bL21 from Thermus thermophilus (strain ATCC 27634 / DSM 579 / HB8)
                                                                                                                                              10        20        30        40        50        60        70        80        90       100 
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-
UniProt: -----------------------------------------------------------------------------------------------------------------------------MFAIVKTGGKQYRVEPGLKLRVEKLDAEPGATVELPVLLLGGEKTVVGTPVVEGASVVAEVLGHGRGKKILVSKFKAKVQYRRKKGHRQPYTELLIKEIRG
         .............................................................................................................................XXXXXXXXXXX...X..XXXX.XXXX..XXXXX..XXXX.XXX.XXXXX.XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX..............
PDB seq: GRYIGPVCRLCRREGVKLYLKGERCYSPKCAMERRPYPPGQHGQKRARRPSDYAVRLREKQKLRRIYGISERQFRNLFEEASKKKGVTGSVFLGLLESRLDNVVYRLGFAVSRRQARQLVRHGHITVNGRRVDLPSYRVRPGDEIAV----AEKSRNLELIRQNLEAMKGRKVGPWLSLDVEGMKGKFLRLPDREDLALPVNEQLVIEFYSR--------------
         --------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+--------    -+---------+---------+---------+---------+---------+---------              
                10        20        30        40        50        60        70        80        90       100       110       120       130       140           150       160       170       180       190       200