>tr|A4F255|A4F255_HUMAN Immunoblobulin G1 Fab heavy chain variable region OS=Homo sapiens GN=VHCH1 LEESGGGVVQPGKSLRLSCTASGFIFSDFGMHWVRQAPGKGLESVATIWSDGSNEKYADS VTGRFAISRDNSKNMLYLHMDNLRAEDTAVYYCARDADMITFARILDPPFHKGMDVWGQG TTVIVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTF PAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDKTS