Sequence alignment between 4jcb(5) and UniProt seq P0C0X9 (LHA1_RHOSH):

P0C0X9 (LHA1_RHOSH): Light-harvesting protein B-875 alpha chain OS=Rhodobacter sphaeroides GN=pufA PE=1 SV=1 
                 10        20        30        40        50        
         ---------+---------+---------+---------+---------+--------
UniProt: MSKFYKIWMIFDPRRVFVAQGVFLFLLAVMIHLILLSTPSYNWLEISAAKYNRVAVAE
PDB seq: -------WMIFDPRRVFVAQGVFLFLLAVMIHLILLSTPSYNWLEISAA---------
                --+---------+---------+---------+---------         
                 10        20        30        40