list of target antigens in pemphigoid list of target antigens in pemphigoid circulating auto-antibodies in the human body can target normal parts of the skin leading to disease. this is a list of antigens in the skin that may become targets of circulating auto-antibodies leading to the various types of pemphigoid. target antigens for the different pemphigoid variants pemphigoid variantantibody isotypeantigenmolecular weight (kda) bullous pemphigoidigg, igenc16a terminal of bpag2bpag1180230 gestational pemphigoidigg1nc16a terminal of bpag2bpag1180230 cicatricial pemphigoidc-terminal of bpag2180 ocular cicatricial pemphigoidintegrin beta-4 subunit200 antiepiligrin cicatricial pemphigoidlaminin 5 (epiligrin, laminin 332) linear iga bullous dermatosislad1 portion of bpag2collagen type vii97290/145 protein 105 pemphigoidprotein in lower lamina lucida105