Figure 4From: Identification of a conserved linear B-cell epitope in the M protein of porcine epidemic diarrhea virusThe epitope M14 could differentiate PEDV-positive serum from TGEV-positive serum. The WB results for the GST tag (negative control, lane 1) and the defined epitope M14 (lane 2) with PEDV-positive serum (A) or TGEV-positive serum (B), respectively. M: Protein marker.Back to article page