Sequence alignment between 1xrd(A) and UniProt seq P02947 (LHA_RHORU):

P02947 (LHA_RHORU): Light-harvesting protein B-870 alpha chain from Rhodospirillum rubrum 
                 10        20        30        40        50        60  
         ---------+---------+---------+---------+---------+---------+--
UniProt: MWRIWQLFDPRQALVGLATFLFVLALLIHFILLSTERFNWLEGASTKPVQTSMVMPSSDLAV
PDB seq: MWRIWQLFDPRQALVGLATFLFVLALLIHFILLSTERFNWLEGASTKPVQTS----------
         ---------+---------+---------+---------+---------+--          
                 10        20        30        40        50