Sequence alignment between 4xk8(F) and UniProt seq P12355 (PSAF_SPIOL):

P12355 (PSAF_SPIOL): Photosystem I reaction center subunit III, chloroplastic from Spinacia oleracea
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230 
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-
UniProt: MSFTIPTNLYKPLATKPKHLSSSSFAPRSKIVCQQENDQQQPKKLELAKVGANAAAALALSSVLLSSWSVAPDAAMADIAGLTPCKESKQFAKREKQALKKLQASLKLYADDSAPALAIKATMEKTKKRFDNYGKYGLLCGSDGLPHLIVSGDQRHWGEFITPGILFLYIAGWIGWVGRSYLIAIRDEKKPTQKEIIIDVPLASSLLFRGFSWPVAAYRELLNGELVDNNF
         ...............................................................................X............................................................................................................................X..........................
PDB seq: -----------------------------------------------------------------------------DISGLTPCKESKQFAKREKQALKKLQASLKLYADDSAPALAIKATMEKTKKRFDNYGKYGLLCGSDGLPHLIVSGDQRHWGEFITPGILFLYIAGWIGWVGRSYLIAIRDEKKPTQKEIIIDVPLASRLLFRGFSWPVAAYRELLNGELVD---
                                                                                      ---+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-------   
                                                                                        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220