Sequence alignment between 6vi4(C) and UniProt seq :

UniProt: 
PDB seq: QVQLQESGGGLVQAGESLRLSCAASGTIFRLYDMGWYRGNQRELVASITSGGSTKYGDSVKGRFTISRDNAKNTVYLQMSSLKPEDTAVYYCNAEYRTGIWEELLDGWGQGTQVTVSS
         -------+---------+---------+---------+------+---------+---------+---------+---------+---------+---------+---------+---
               10        20        30        40     50        60        70        80        90       100       110       120