Sequence alignment between 3a0h(U) and UniProt seq P56152 (PSBU_THEVL):

P56152 (PSBU_THEVL): Photosystem II extrinsic protein U from Thermostichus vulcanus
                 10        20        30        40        50        60        70        80        90       100    
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+----
UniProt: ATASTEEELVNVVDEKLGTAYGEKIDLNNTNIAAFIQYRGLYPTLAKLIVKNAPYESVEDVLNIPGLTERQKQILRENLEHFTVTEVETALVEGGDRYNNGLYK
PDB seq: ------EELVNVVDEKLGTAYGEKIDLNNTNIAAFIQYRGLYPTLAKLIVKNAPYESVEDVLNIPGLTERQKQILRENLEHFTVTEVETALVEGGDRYNNGLYK
               ---+---------+---------+---------+---------+---------+---------+---------+---------+---------+----
                 10        20        30        40        50        60        70        80        90       100