Fig. 7.
Epitope expression by a combination of GE and plasmin.
Effects on the epitope expression for IF-123 are noted by further digestion of GE-XDP by plasmin (A) and plasmic XDP by GE (B). The 2 XDP fractions were digested by respective enzymes at 37°C, and samples removed at various timed intervals were analyzed by SDS-PAGE under nonreducing conditions before and after immunoprecipitation with IF-123–conjugated Sepharose. Lanes 1 and 5, 0 minutes; lanes 2 and 6, 15 minutes; lanes 3 and 7, 60 minutes; and lanes 4 and 8, 120 minutes.