Sequence alignment between 1jgo(U) and UniProt seq Q5SLQ0 (RS18_THET8):

Q5SLQ0 (RS18_THET8): Small ribosomal subunit protein bS18 from Thermus thermophilus (strain ATCC 27634 / DSM 579 / HB8)
                 10        20        30        40        50        60        70        80        
         ---------+---------+---------+---------+---------+---------+---------+---------+--------
UniProt: MSTKNAKPKKEAQRRPSRKAKVKATLGEFDLRDYRNVEVLKRFLSETGKILPRRRTGLSAKEQRILAKTIKRARILGLLPFTEKLVRK
         ...........................................................X............................
PDB seq: ---------------PSRKAKVKATLGEFDLRDYRNVEVLKRFLSETGKILPRRRTGLSGKEQRILAKTIKRARILGLLPFTEKLVRK
                        ----+---------+---------+---------+---------+---------+---------+--------
                           20        30        40        50        60        70        80