Sequence alignment between 1kcs(L) and UniProt seq P01837 (IGKC_MOUSE):

P01837 (IGKC_MOUSE): Immunoglobulin kappa constant from Mus musculus
                                                                                                                            10        20        30        40        50        60        70        80        90       100       
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-------
UniProt: -----------------------------------------------------------------------------------------------------------RADAAPTVSIFPPSSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDSTYSMSSTLTLTKDEYERHNSYTCEATHKTSTSPIVKSFNRNEC
         ..................................................................................................................X..........X...........X....X.X....X...X.X..XX........XX..............X................X..X.........
PDB seq: DIVMTQSPKSMGMSVGEAVTLNCKASENVGTYVSWYQQKPGQSPVLLIYGASNRYTGVPDRFTGSGSATDFTLTISSVQADDDADYYCGQSYSSPLTFGGGTKLELKRADAAPTSSIFPPSSEQLSSGGASVVCFLNSFYPKSIAVKWKVDGSKRANGTANSWTDQDSASSTYSMSSTLTLTKDKYERHNSYTCEATHKTSSSPVVKSFNRNEC
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+----
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210