Sequence alignment between 5v2c(T) and UniProt seq P12313 (PSBT_THEVL):

P12313 (PSBT_THEVL): Photosystem II reaction center protein T from Thermostichus vulcanus 
                 10        20        30  
         ---------+---------+---------+--
UniProt: METITYVFIFACIIALFFFAIFFREPPRITKK
         X...............................
PDB seq: XETITYVFIFACIIALFFFAIFFREPPRIT--
         ---------+---------+---------+  
                 10        20        30