Sequence alignment between 9is4(t) and UniProt seq P37256 (PSBT_CHLRE):

P37256 (PSBT_CHLRE): Photosystem II reaction center protein T from Chlamydomonas reinhardtii 
                 10        20        30 
         ---------+---------+---------+-
UniProt: MEALVYTFLLVGTLGIIFFSIFFRDPPRMIK
PDB seq: MEALVYTFLLVGTLGIIFFSIFFRDPP----
         ---------+---------+-------    
                 10        20