Which of the following is/are associated with the presentation of exogenous antigens by Class II MHC molecules by an Antigen Presenting Cell (APC)?
1
TAP1 and TAP2 proteins only
2
Invariant chain (Ii)
3
Proteosome-like subunits LMP2 and LMP7 only
4
TAP1, TAP2 proteins and proteosome-like subunits LMP2, LMP7