Sequence alignment between 3d5b(S) and UniProt seq Q72I20 (RL18_THET2):

Q72I20 (RL18_THET2): 50S ribosomal protein L18 from Thermus thermophilus (strain ATCC BAA-163 / DSM 7039 / HB27)
                 10        20        30        40        50        60        70        80        90       100       110  
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+--
UniProt: MARLTAYERRKFRVRNRIKRTGRLRLSVFRSLKHIYAQIIDDEKGVTLVSASSLALKLKGNKTEVARQVGRALAEKALALGIKQVAFDRGPYKYHGRVKALAEGAREGGLEF
PDB seq: ----------KFRVRNRIKRTGRLRLSVFRSLKHIYAQIIDDEKGVTLVSASSLALKLKGNKTEVARQVGRALAEKALALGIKQVAFDRGPYKYHGRVKALAEGAREG----
                   ---------+---------+---------+---------+---------+---------+---------+---------+---------+--------    
                           20        30        40        50        60        70        80        90       100