>5n4j_H mol:protein length:257 HEAVY CHAIN
MQLVQSGAEVKKPGASVKVSCKASGYTFTNYGLHWVRQAPGQGLEWMGWVSTNNGHTNYAQKVQGRVTMTTDTSTSTAYMELRSLRSDDTAIYYCARGVDLDYWGQGTLLTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKRVEPKSCDKGSENLYFQGSWSHPQFEKGGGSGGGSGGGSWSHPQFEK