Sequence alignment between 4nfc(A) and UniProt seq Q9UKJ0 (PILRB_HUMAN):

Q9UKJ0 (PILRB_HUMAN): Paired immunoglobulin-like type 2 receptor beta from Homo sapiens
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-------
UniProt: MGRPLLLPLLLLLQPPAFLQPGGSTGSGPSYLYGVTQPKHLSASMGGSVEIPFSFYYPWELAIVPNVRISWRRGHFHGQSFYSTRPPSIHKDYVNRLFLNWTEGQESGFLRISNLRKEDQSVYFCRVELDTRRSGRQQLQSIKGTKLTITQAVTTTTTWRPSSTTTIAGLRVTESKGHSESWHLSLDTAIRVALAVAVLKTVILGLLCLLLLWWRRRKGSRAPSSDF
         ..............................X....................................................................................................................................................................................................
PDB seq: ------------------------------MLYGVTQPKHLSASMGGSVEIPFSFYYPWELAIVPNVRISWRRGHFHGQSFYSTRPPSIHKDYVNRLFLNWTEGQESGFLRISNLRKEDQSVYFCRVELDTRRSGRQQLQSIKGTKLTIT-----------------------------------------------------------------------------
                                       ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+                                                                             
                                               10        20        30        40        50        60        70        80        90       100       110       120