oligopeptides 15 to 29 residues in length and representing epitopes of hdag found to be dominant in humans ( residues 2 to 17 , 156 to 184 , and 197 to 211 ) were synthesized in bulk and found to possess significant antigenic activity by microdilution enzyme-linked immunosorbent assay .
C0003316
epitopes
C0003320
antigenic