Sequence alignment between 4l3c(B) and UniProt seq P61769 (B2MG_HUMAN):

P61769 (B2MG_HUMAN): Beta-2-microglobulin from Homo sapiens
                 10        20        30        40        50        60        70        80        90       100       110         
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------
UniProt: MSRSVALAVLALLSLSGLEAIQRTPKIQVYSRHPAENGKSNFLNCYVSGFHPSDIEVDLLKNGERIEKVEHSDLSFSKDWSFYLLYYTEFTPTEKDEYACRVNHVTLSQPKIVKWDRDM
         ...................X...........................................................................X.......................
PDB seq: -------------------MIQRTPKIQVYSRHPAENGKSNFLNCYVSGFHPSDIEVDLLKNGERIEKVEHSDLSFSKDWSFYLLYYTEFTPTEKNEYACRVNHVTLSQPKIVKWDRDM
                            +---------+---------+---------+---------+---------+---------+---------+---------+---------+---------
                            0        10        20        30        40        50        60        70        80        90