Sequence alignment between 3oe7(R) and UniProt seq P21306 (ATP5E_YEAST):

P21306 (ATP5E_YEAST): ATP synthase subunit epsilon, mitochondrial from Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
                 10        20        30        40        50        60  
         ---------+---------+---------+---------+---------+---------+--
UniProt: MSAWRKAGISYAAYLNVAAQAIRSSLKTELQTASVLNRSQTDAFYTQYKNGTAASEPTPITK
         .......................XXXXXXX................................
PDB seq: ----------YAAYLNVAAQAIR-------QTASVLNRSQTDAFYTQY--------------
                   +---------+--       +---------+-------              
                  10        20        30        40