Sequence alignment between 3jc2(2) and UniProt seq P60058 (SC61G_CANLF):

P60058 (SC61G_CANLF): Protein transport protein Sec61 subunit gamma from Canis lupus familiaris 
                 10        20        30        40        50        60        
         ---------+---------+---------+---------+---------+---------+--------
UniProt: MDQVMQFVEPSRQFVKDSIRLVKRCTKPDRKEFQKIAMATAIGFAIMGFIGFFVKLIHIPINNIIVGG
PDB seq: ------FVEPSRQFVKDSIRLVKRCTKPDRKEFQKIAMATAIGFAIMGFIGFFVKLIHIPINNIIVGG
               ---+---------+---------+---------+---------+---------+--------
                 10        20        30        40        50        60