Sequence alignment between 2zck(H) and UniProt seq :

UniProt: 
PDB seq: QVQLQQSGDDLVKPGASVKLSCKASGYTFTTYYINWMRQRPGQGLEWIGRIAPASGTTYSSEMFKDKATLTVDTSSNTAYIQLSSLSSEDSAVYFCARADYGFNSGEAMDYWGQGTSVTVSSAKTTAPPVYPLAPVCGDTTGSSVTLGCLVKGYFPESVTLLWNSGSLSSGVHTFPAVLQSDLYTLSSSVTVTSSTWPSQSITCNVAHPASSTKVDKKIVPRDCGCKPCI
         ---------+---------+---------+---------+---------+----------+---------+---------+------------+---------+----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-
                 10        20        30        40        50         60        70        80           90       100 100E       110       120       130       140       150       160       170       180       190       200       210       220