Sequence alignment between 2b9o(R) and UniProt seq P80382 (RS18_THETH):

P80382 (RS18_THETH): 30S ribosomal protein S18 OS=Thermus thermophilus GN=rpsR PE=1 SV=3
                 10        20        30        40        50        60        70        80        
         ---------+---------+---------+---------+---------+---------+---------+---------+--------
UniProt: MSTKNAKPKKEAQRRPSRKAKVKATLGEFDLRDYRNVEVLKRFLSETGKILPRRRTGLSGKEQRILAKTIKRARILGLLPFTEKLVRK
PDB seq: ---------------PSRKAKVKATLGEFDLRDYRNVEVLKRFLSETGKILPRRRTGLSGKEQRILAKTIKRARILGLLPFTEKLVRK
                        ----+---------+---------+---------+---------+---------+---------+--------
                           20        30        40        50        60        70        80