Sequence alignment between 9n4f(H) and UniProt seq :

UniProt: 
PDB seq: VQLLESGGGLVQPGGSLRLSCAASGFTFSTYAMSWVRQAPGKGLEWVSTISGSGGSTYDAESVKGRFTISRDNSKNTLYLQMNSLRAEDTAVYYCAKEGGDFWSGYYANWFDPWGQGTLVTVSS
         --------+---------+---------+---------+---------+----------+---------+---------+------------+---------+----+------------+---
                10        20        30        40        50         60        70        80           90       100 100E          110