Sequence alignment between 1e4x(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.....................................................
PDB seq: DIQMTQTPSSLSASLGDRVTISCRASQDISHYLNWFQQKPDGTVKLLIYYTSTLHSGVPSRFSGSGSGTDYSLTISNLEEEDIAFYFCQQGGALPFTFGSGTKLAIKRADAAPTVSIFPPSSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLDSWTDQDSKDSTYSMSSTLTLTKDEYERHNSYTCEATHKTSTSPIVKSFNRNEC
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+----
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210