Fig. 1.
(A) Monoclonal antibodies to HSV-1 gD used in this study. (B) Structure of HSV-1 gD ectodomain (PDB accession number 2C36) (25) with MAb epitopes indicated. The receptor binding face of gD is on the left. MAb 1D3 binds to gD residues near the N-terminus that are not resolved in this structure.