>5j3d_A mol:protein length:224 14N4 heavy chain
QVQLVESGGGLIQPGGSLRLSCAVSGFTVSSKYMTWVRQAPGKGLEWVSVIYGGGSTYYADSVVGRFTISRDNSKNTLYLQMNSLRAEDTAVYYCASRLGVRATTGDLDYWGQGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKRVEPKSC