Sequence alignment between 5nq2(B) and UniProt seq Q07717 (B2MG_PIG):

Q07717 (B2MG_PIG): Beta-2-microglobulin from Sus scrofa
                 10        20        30        40        50        60        70        80        90       100       110        
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+--------
UniProt: MAPLVALVLLGLLSLSGLDAVARPPKVQVYSRHPAENGKPNYLNCYVSGFHPPQIEIDLLKNGEKMNAEQSDLSFSKDWSFYLLVHTEFTPNAVDQYSCRVKHVTLDKPKIVKWDRDH
         ..................XX..................................................................................................
PDB seq: ------------------MMVARPPKVQVYSRHPAENGKPNYLNCYVSGFHPPQIEIDLLKNGEKMNAEQSDLSFSKDWSFYLLVHTEFTPNAVDQYSCRVKHVTLDKPKIVKWDRDH
                           -+---------+---------+---------+---------+---------+---------+---------+---------+---------+--------
                            0        10        20        30        40        50        60        70        80        90