>tr|A4F255|A4F255_HUMAN Immunoblobulin G1 Fab heavy chain variable region (Fragment) OS=Homo sapiens OX=9606 GN=VHCH1 PE=1 SV=1 LEESGGGVVQPGKSLRLSCTASGFIFSDFGMHWVRQAPGKGLESVATIWSDGSNEKYADS VTGRFAISRDNSKNMLYLHMDNLRAEDTAVYYCARDADMITFARILDPPFHKGMDVWGQG TTVIVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTF PAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDKTS