>3iyw_H mol:protein length:230 CR4354 Fab fragment X1, heavy chain H QVQLVQSGAEVRKPGASTKVSCKASGYTFTHYYMHWVRQAPGQGLEWMGIINPSGGSTT YAQKLQGRVTMTRDTSTSTVYMELSSLRSEDTAVYYCARDWGSNYVWGSYPKYWGQGTL VTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFP AVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKRVEPKSCDKTH