Sequence alignment between 6hqb(F) and UniProt seq P29256 (PSAF_SYNY3):

P29256 (PSAF_SYNY3): Photosystem I reaction center subunit III from Synechocystis sp. (strain ATCC 27184 / PCC 6803 / Kazusa)
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160     
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-----
UniProt: MKHLLALLLAFTLWFNFAPSASADDFANLTPCSENPAYLAKSKNFLNTTNDPNSGKIRAERYASALCGPEGYPHLIVDGRFTHAGDFLIPSILFLYIAGWIGWVGRSYLIEIRESKNPEMQEVVINVPLAIKKMLGGFLWPLAAVGEYTSGKLVMKDSEIPTSPR
PDB seq: ----------------------ADDFANLTPCSENPAYLAKSKNFLNTTNDPNSGKIRAERYASALCGPEGYPHLIVDGRFTHAGDFLIPSILFLYIAGWIGWVGRSYLIEIRESKNPEMQEVVINVPLAIKKMLGGFLWPLAAVGEYTSGKLVMKDSEIPTSPR
                               ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---
                                       10        20        30        40        50        60        70        80        90       100       110       120       130       140