Sequence alignment between 6yac(H) and UniProt seq A0A0M3KL10 (A0A0M3KL10_PEA):

A0A0M3KL10 (A0A0M3KL10_PEA): Photosystem I reaction center subunit VI from Pisum sativum
                 10        20        30        40        50        60        70        80        90
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+
UniProt: SVYFDLEDIGNTTGQWDLYGSDAPSPYSPLQSKFFETFAAPFTKRGLLLKFLILGGGSTLAYFSTTASGDILPIVKGPQLPPKLGPRGKL
         ........X..................XX...................................X.........X.......X....XX.
PDB seq: -VYFDLEDLGNTTGQWDLYGSDAPSPYNSLQSKFFETFAAPFTKRGLLLKFLILGGGSTLAYFSATASGDILPIKKGPQLPPQLGPRLG-
          -------+---------+---------+---------+---------+---------+---------+---------+---------+ 
                60        70        80        90       100       110       120       130       140