Sequence alignment between 1jb0(J) and UniProt seq P0A429 (PSAJ_THEEB):

P0A429 (PSAJ_THEEB): Photosystem I reaction center subunit IX from Thermosynechococcus vestitus (strain NIES-2133 / IAM M-273 / BP-1) 
                 10        20        30        40 
         ---------+---------+---------+---------+-
UniProt: MKHFLTYLSTAPVLAAIWMTITAGILIEFNRFYPDLLFHPL
PDB seq: MKHFLTYLSTAPVLAAIWMTITAGILIEFNRFYPDLLFHPL
         ---------+---------+---------+---------+-
                 10        20        30        40