Sequence alignment between 1q1j(H) and UniProt seq :

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