Fig. 2.
Decomposition of synthetic MUC2 peptides in 50% human serum. (A) TPTPTGTQTPT (•), TPTPTGTQtpt (×), tptPTGTQTPT (▪), and tptPTGTQtpt (□). (B) TPTPTGQTtpt (•), tPTPTGQTtpt (○), tpTPTGTQtpt (▪), and tptPTGTQtpt (□). (C) tptPTGTQTPT (•), tptPTGTQTPt (○), tptPTGTQTpt (▪), and tptPTGTQtpt (□). (D) TPTPTGTQTPT (•), TPTPTGQTTPt (×), tPTPTGTQTPT (▪), and tPTPTGTQTPt (□).