Sequence alignment between 1ucn(A) and UniProt seq P15531 (NDKA_HUMAN):

P15531 (NDKA_HUMAN): Nucleoside diphosphate kinase A from Homo sapiens
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150  
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+--
UniProt: MANCERTFIAIKPDGVQRGLVGEIIKRFEQKGFRLVGLKFMQASEDLLKEHYVDLKDRPFFAGLVKYMHSGPVVAMVWEGLNVVKTGRVMLGETNPADSKPGTIRGDFCIQVGRNIIHGSDSVESAEKEIGLWFHPEELVDYTSCAQNWIYE
         ...........................................................X.........................................................X..................................
PDB seq: -ANCERTFIAIKPDGVQRGLVGEIIKRFEQKGFRLVGLKFMQASEDLLKEHYVDLKDRPWFAGLVKYMHSGPVVAMVWEGLNVVKTGRVMLGETNPADSKPGTIRGDFCIQVGRNIIGGSDSVESAEKEIGLWFHPEELVDYTSCAQNWIYE
          --------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+--
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150