>2xra_H mol:protein length:223 HK20, HUMAN MONOCLONAL ANTIBODY HEAVY CHAINQLVESGAEVKKPGSSVKVSCKTSGGTFNRLAMSWVRQAPGQGLEWMGGIMPIFDITNYAQKFQGRVTIITDESTSTAYMELRSLTSEDSAVYYCARASYSSSSPYAFDIWGQGTMVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSC