>7yi6_D mol:protein length:221 heavy chain of 3D1
QVQLVQSGSELKKPGASVRISCKASGYSFTSLSMNWVRQAPGQGLEWMGWISTKSGDPTYAQAFTGRFVFSLDTSVNTAYLQINSLEAGDTAVYYCARGQPPVGWTFDYWGQGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPP