Sequence alignment between 2w6j(I) and UniProt seq P05632 (ATP5E_BOVIN):

P05632 (ATP5E_BOVIN): ATP synthase subunit epsilon, mitochondrial from Bos taurus 
                 10        20        30        40        50 
         ---------+---------+---------+---------+---------+-
UniProt: MVAYWRQAGLSYIRYSQICAKAVRDALKTEFKANAMKTSGSTIKIVKVKKE
PDB seq: -VAYWRQAGLSYIRYSQICAKAVRDA-------------------------
          ---------+---------+-----                         
                  10        20