Which of the following statements does not apply to the immunoproteasome:

A It is generated in response to interferon-gamma stimulation.
B It contains the nonpolymorphic MECL1 subunit.
C It contains the polymorphic LMP7 subunit.
D Ten per cent of the peptides generated are 8-9 residues in length.
E It exhibits both chymotrypsin-like and trypsin-like activities.

Q&A Education