Sequence alignment between 9is4(O) and UniProt seq P12853 (PSBO_CHLRE):

P12853 (PSBO_CHLRE): Oxygen-evolving enhancer protein 1, chloroplastic from Chlamydomonas reinhardtii
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290 
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-
UniProt: MALRAAQSAKAGVRAARPNRATAVVCKAQKVGQAAAAAALATAMVAGSANALTFDEIQGLTYLQVKGSGIANTCPVLESGTTNLKELKAGSYKLENFCIEPTSFTVKEESQFKGGETEFVKTKLMTRLTYTLDAMSGSFKVGSDGSAELKEDDGIDYAATTVQLPGGERVAFLFTIKQFDGKGTLDGIKGDFLVPSYRGSSFLDPKGRGGSTGYDNAVALPARADAEELLKENVKITKALKGSAVFSVAKVDPVTGEIAGVFESIQPSDTDLGAKPPKDIKVTGLWYAQLK
         .............................................................................................................................................................................................................XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX.....................................................
PDB seq: ---------------------------------------------------LTFDEIQGLTYLQVKGSGIANTCPVLESGTTNLKELKAGSYKLENFCIEPTSFTVKEESQFKGGETEFVKTKLMTRLTYTLDAMSGSFKVGSDGSAELKEDDGIDYAATTVQLPGGERVAFLFTIKQFDGKGTLDGIKGDFLVPSYRGSSFLDP---------------------------------ALKGSAVFSVAKVDPVTGEIAGVFESIQPSDTDLGAKPPKDIKVTGLWYAQLK
                                                            --------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-----                                 -+---------+---------+---------+---------+---------+-
                                                                   60        70        80        90       100       110       120       130       140       150       160       170       180       190       200                                     240       250       260       270       280       290