Sequence alignment between 5fb8(B) and UniProt seq :

UniProt: 
PDB seq: EVQLQQSGPELVKPGASMKISCKASGYSFTGYTMNWVKQSHGKNLEWIGLINPYNSGTNYNQKFKDKATLIVDKSSNTAYMELLSLTSEDSAVYYCARSDYYDSTHYFDYWGQGTTLTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKS
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---
                 30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240