>7s1b_X mol:protein length:225 769C2 Fab heavy chain
EVQLVESGGGLVKPGGSLRLSCAASGFTFSTYAMDWVRQAPGKGLEWVSLISSRSSNIYYSDSVKGNFTISRDNAKNSLFLQMNSLRAEDTAVYYCAREAGGFHSHFDMWGQGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDK