Sequence alignment between 3bz2(y) and UniProt seq Q8DJI1 (YCF12_THEEB):

Q8DJI1 (YCF12_THEEB): Photosystem II reaction center protein Ycf12 from Thermosynechococcus elongatus (strain BP-1) 
                 10        20        30        40      
         ---------+---------+---------+---------+------
UniProt: MGIFNGIIEFLSNINFEVIAQLTMIAMIGIAGPMIIFLLAVRRGNL
PDB seq: ------------------IAQLTMIAMIGIAGPMIIFLLAVRRGNL
                           -+---------+---------+------
                           20        30        40