Natural processing sites for human cathepsin E and cathepsin D in tetanus toxin: implications for T cell epitope generation.


Cathepsin E is an aspartic proteinase that has been implicated frequently in Ag processing for presentation on class II MHC molecules, but no information exists on its cleavage specificity within Ags in relation to known T cell epitopes. We have analyzed the processing by cathepsin E of a large C-terminal domain of tetanus toxin (residues 872-1315), and we… (More)


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