3 antibody by modifying {HEAD ~ an amino acid residue} that is exposed on {TAIL ~ the surface} of the anti glypican 
is exposed on
3 antibody by modifying { HEAD ~ an amino acid residue } that is exposed on { TAIL ~ the surface } of the anti glypican
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH