Sequence alignment between 3tvh(1) and UniProt seq P60491 (RL20_THET8):

P60491 (RL20_THET8): 50S ribosomal protein L20 from Thermus thermophilus (strain HB8 / ATCC 27634 / DSM 579)
                 10        20        30        40        50        60        70        80        90       100       110        
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+--------
UniProt: MPRAKTGVVRRRKHKKILKLAKGYWGLRSKSFRKARETLFAAGNYAYAHRKRRKRDFRRLWIVRINAACRQHGLNYSTFIHGLKKAGIEVDRKNLADLAVREPQVFAELVERAKAAQG
PDB seq: -PRAKTGVVRRRKHKKILKLAKGYWGLRSKSFRKARETLFAAGNYAYAHRKRRKRDFRRLWIVRINAACRQHGLNYSTFIHGLKKAGIEVDRKNLADLAVREPQVFAELVERAKAAQG
          --------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+--------
                 10        20        30        40        50        60        70        80        90       100       110