Sequence alignment between 7o5h(U) and UniProt seq P68679 (RS21_ECOLI):

P68679 (RS21_ECOLI): Small ribosomal subunit protein bS21 from Escherichia coli (strain K12) 
                 10        20        30        40        50        60        70 
         ---------+---------+---------+---------+---------+---------+---------+-
UniProt: MPVIKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKASAVKRHAKKLARENARRTRLY
PDB seq: ---------------------------VLAEVRRREFYEKPTTERKRAKASAVKRHA--------------
                                    --+---------+---------+-------              
                                     30        40        50