Sequence alignment between 1rzg(A) and UniProt seq :

UniProt: 
PDB seq: EVQLVQSGAEVKKPGSSVKVSCKASGGTFSNYAINWVRQAPGQGLEWMGGIIPIFNIAHYAQRFQGRVSITADESTSTAYMELSSLRSEDTAVFYCASPYPNDXGMSWYFDLWGRGTLVTVSPASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPK
         ---------+---------+---------+---------+---------+----------+---------+---------+------------+---------+----+----------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+----
                 10        20        30        40        50         60        70        80           90       100 100L        110       120       130       140       150       160       170       180       190       200       210