Sequence alignment between 3df1(T) and UniProt seq P0A7U7 (RS20_ECOLI):

P0A7U7 (RS20_ECOLI): 30S ribosomal protein S20 from Escherichia coli (strain K12)
                 10        20        30        40        50        60        70        80       
         ---------+---------+---------+---------+---------+---------+---------+---------+-------
UniProt: MANIKSAKKRAIQSEKARKHNASRRSMMRTFIKKVYAAIEAGDKAAAQKAFNEMQPIVDRQAAKGLIHKNKAARHKANLTAQINKLA
PDB seq: --NIKSAKKRAIQSEKARKHNASRRSMMRTFIKKVYAAIEAGDKAAAQKAFNEMQPIVDRQAAKGLIHKNKAARHKANLTAQINKLA
           --------+---------+---------+---------+---------+---------+---------+---------+------
                  10        20        30        40        50        60        70        80