Sequence alignment between 6e4z(H) and UniProt seq :

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