Sequence alignment between 9is4(W) and UniProt seq Q9SPI9 (PSBW_CHLRE):

Q9SPI9 (PSBW_CHLRE): Photosystem II reaction center W protein, chloroplastic from Chlamydomonas reinhardtii
                 10        20        30        40        50        60        70        80        90       100       110     
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-----
UniProt: MQALSARAPRVAAKPVSRSGARSAVTVVCKATTVRSEVAKKVAMLSTLPATLAAHPAFALVDERMNGDGTGRPFGVNDPVLGWVLLGVFGTMWAIWFIGQKDLGDFEDADDGLKL
PDB seq: -----------------------------------------------------------LVDERMNGDGTGRPFGVNDPVLGWVLLGVFGTMWAIWFIGQKDLGDFEDADDGLKL
                                                                    +---------+---------+---------+---------+---------+-----
                                                                   60        70        80        90       100       110