Sequence alignment between 4z7u(F) and UniProt seq :

UniProt: 
PDB seq: DSGVTQTPKHLITATGQRVTLRCSPRSGDLSVYWYQQSLDQGLQFLIQYYNGEERAKGNILERFSAQQFPDLHSELNLSSLELGDSALYFCASSTTPGTGTETQYFGPGTRLLVLEDLKNVFPPEVAVFEPSEAEISHTQKATLVCLATGFYPDHVELSWWVNGKEVHSGVCTDPQPLKEQPALNDSRYALSSRLRVSATFWQNPRNHFRCQVQFYGLSENDEWTQDRAKPVTQIVSAEAWGRA
         ---------+---------+------------+---------+---------------+--------+--------+---------+---------+----------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+------
                 10        20           40        50              70       80       90       100       110        120       130       140       150       160       170       180       190       200       210       220       230       240       250