(A) In vitro fifth-instar Trichoplusia ni larval PM assay for degradation by Bel. The degradation of PM in the larval was analyzed by Western blot analysis using anti-IIM antiserum. Lane 1, T. ni PM treated with Bel; lane 2, T. ni PM treated with En-Tn; lane 3, T. ni PM. (B) In vitro HaIIM86 assay for degradation by Bel. The degradation of HaIIM86 was analyzed by Western blot analysis using anti-HaIIM86 antiserum. Lane 1, HaIIM86 treated by Bel; lane 2, HaIIM86 treated by En-Tn; lane 3, HaIIM86.