Sequence alignment between 1k5j(B) and UniProt seq P05221 (NUPL_XENLA):

P05221 (NUPL_XENLA): Nucleoplasmin from Xenopus laevis
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
UniProt: MASTVSNTSKLEKPVSLIWGCELNEQDKTFEFKVEDDEEKCEHQLALRTVCLGDKAKDEFNIVEIVTQEEGAEKSVPIATLKPSILPMATMVGIELTPPVTFRLKAGSGPLYISGQHVAMEEDYSWAEEEDEGEAEGEEEEEEEEDQESPPKAVKRPAATKKAGQAKKKKLDKEDESSEEDSPTKKGKGAGRGRKPAAKK
         ..........................X......XXXXXXXX...................X...........................................................................................................................................
PDB seq: ---------------SLIWGCELNEQNKTFEFK--------EHQLALRTVCLGDKAKDEFHIVEIVTQEEGAEKSVPIATLKPSILPMATMVGIELTPPVTFRLKAGSGPLYISGQHVA---------------------------------------------------------------------------------
                        ----+---------+---        --------+---------+---------+---------+---------+---------+---------+---------                                                                                 
                           20        30                  50        60        70        80        90       100       110