an anti-fitc-dd ctl line did not react with two of the mutants and reacted only weakly with the other mutant , demonstrating not only that the dd epitopes recognized by this cell line and the allogeneic ctl were different , but also that it is possible for a h-2 class i molecule to express epitopes recognized by allogeneic ctl but not epitopes that function as restricting elements to certain antigens .
C0003316
epitopes
C0003320
antigens