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Supplemental Figure 2 RPMI8226 cells were incubated with increasing concentrations of the respective HIV PI (0-160 M; Am: amprenavir; At: atazanavir; D: darunavir; I: indinavir; T: tipranavir) and intracellular proteasome activity was assessed using the affinity probe MV151. The bargraphs represent relative changes in proteasome subunit-specific (1/5 vs. 2) fluorescence signals compared to untreated controls. RPMI8226 MV- 151 β- actin [µM] β1(i )/ β5(i ) β2 β2i [kD ] 30 20 45 β2/2 i β5/5i/ 1/1i Change in proteasome activity [%] NLVS 0 10 20 40 0 10 20 40 10 20 40 NLVS 0 10 20 40 0 10 20 40 Am At D I T

Supplemental Figure 2

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Page 1: Supplemental Figure  2

Supplemental Figure 2

RPMI8226 cells were incubated with increasing concentrations of the respective HIV PI (0-160 M; Am: amprenavir; At: atazanavir; D: darunavir; I: indinavir; T: tipranavir) and intracellular proteasome activity was assessed using the affinity probe MV151. The bargraphs represent relative changes in proteasome subunit-specific (1/5 vs. 2) fluorescence signals compared to untreated controls.

RPMI8226 MV-151

β- actin

[µM]

β1(i)/β5(i)

β2β2i

[kD]30

20

45

β2/2iβ5/5i/1/1i

Cha

nge

in p

rote

asom

e ac

tivity

[%

]

NLVS 0 10 20 40 0 10 20 40 10 20 40 NLVS 0 10 20 40 0 10 20 40

Am At D I T