Sequence alignment between 4zto(H) and UniProt seq :

UniProt: 
PDB seq: QSLEESGGGPVKPGGTLTLTCKASGIDFSSFYYMCWVRQAPGKGLEWIACIVTDITGESYYATWAKGRFAISKTSSTTVTLQMTSLTAADTATYFCARGDTYGYGDTVYALNLWGPGTLVTVSSGQPKAPSVFPLAPCCGDTPSSTVTLGCLVKGYLPEPVTVTWNSGTLTNGVRTFPSVRQSSGLYSLSSVVSVTSSSQPVTCNVAHPATNTKVDKTVAP
         ---------+---------+---------+----------+---------+-----------+---------+---------+-----------+----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------
                 10        20        30         40        50          60        70        80          90              100       110       120       130       140       150       160       170       180       190       200