What is the purpose of the structure called CLIP in the MHC class II antigen processing pathway?

Question

Accepted Answer

To prevent peptides within the endoplasmic reticulum from filling the MHC class II cleft

Answer

To represent cytoplasmic peptides in MHC class II to allow CD4 T cell responses to be generated to cytoplasmic peptides.

Answer

To stop endosomal peptides from binding in the MHC class II cleft

Answer

To direct the migration of MHC class II from the endoplasmic reticulum to the cell surface.

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