Files in this Data Supplement:

• Supplemental file 1 - Fig. S1 (Internalization of HEL or Soc by JAWS II cells.)
  Zipped TIF file, 239K.
• Supplemental file 2 - Fig. S2 (Effect of p24 and Soc on antigen presentation and immunoproteasome subunits.)
  Zipped TIF file, 75K.
• Supplemental file 3 - Fig. S3 (Immunoproteasome subunits from primary dendritic cells and JAWS II cells following incubation with HIV-1 p24.)
  Zipped TIF file, 2.12 MB.
• Supplemental file 4 - Fig. S4 (Internalization of soluble and liposome-encapsulated p24 in JAWS II cells.)
  Zipped TIF file, 10K.
• Supplemental file 5 - Legends to supplemental figures.
  MS Word document, 30K.
• Supplemental file 6 - Table S1 (Analysis of immunoproteasome subunits after incubation with p24.)
  MS Word document, 25K.
• Supplemental file 7 - Table S2 (Analysis of immunoproteasome subunits after various pretreatments followed by incubation with p24.)
  MS Word document, 26K.