Sequence alignment between 5jb3(W) and UniProt seq Q8U474 (RS27_PYRFU):

Q8U474 (RS27_PYRFU): Small ribosomal subunit protein eS27 from Pyrococcus furiosus (strain ATCC 43587 / DSM 3638 / JCM 8422 / Vc1) 
                 10        20        30        40        50        60   
         ---------+---------+---------+---------+---------+---------+---
UniProt: MAKPIIPMPRSRFLRVKCIDCGNEQIVFSHPATKVRCLICGATLVEPTGGKGIVKAKILEVLE
PDB seq: MAKPIIPMPRSRFLRVKCIDCGNEQIVFSHPATKVRCLICGATLVEPTGGKGIVKAKILEVLE
         ---------+---------+---------+---------+---------+---------+---
                 10        20        30        40        50        60