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

UniProt: 
PDB seq: QIVLTQSPAIMSASPGEKVTMTCSASSTVSYMYWYQQKPGSSPRFLISDTSNLASGVPVRFSGSGSGTSYSLTISRIEAEDAATYYCQHWSSYPLTFGGGTKLELKRADAAPTVSIFPPSSEQLTSGGASVVCFLNNFYPKDINVKWKQNGVLNSWTDQDSKDSTYSMSSTLTLTKDEYETCEATHIVKSFNRNE
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-------------+---------+---------+------------------+--
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140           160       170       180                210