Sequence alignment between 2b1h(H) and UniProt seq :

UniProt: 
PDB seq: EIQLEQSGAEVKKSGESLKISCQTSGYSFSDYWIGWVRQMPGKGLEWMGIFYPGDSDSRYSPSFEGQVTMSADRSTNTAHLQWSSLKPSDTALYYCARLGGDYEDSGADAFDFWGQGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKS
         ---------+---------+---------+---------+---------+----------+---------+---------+------------+---------+----+-----------+---------+---------+-------+---------+-----------------------+--------+---------+------+---------+-------
                 10        20        30        40        50         60        70        80           90       100 100E         110       120       130     140       150                     180      190       200    210       220