Sequence alignment between 3bz2(J) and UniProt seq P59087 (PSBJ_THEEB):

P59087 (PSBJ_THEEB): Photosystem II reaction center protein J from Thermosynechococcus elongatus (strain BP-1) 
                 10        20        30        40
         ---------+---------+---------+---------+
UniProt: MMSEGGRIPLWIVATVAGMGVIVIVGLFFYGAYAGLGSSL
PDB seq: ------RIPLWIVATVAGMGVIVIVGLFFYGAYAGLGSSL
               ---+---------+---------+---------+
                 10        20        30        40