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. 1999 May 11;96(10):5418–5422. doi: 10.1073/pnas.96.10.5418

Table 3.

Inhibition of 20S proteasome by mono- and bivalent inhibitors (IC50, μM)

Inhibitor PGPH Trypsin-like Chymotrypsinlike
 Ac-LLnL-H (1) >100 >100 2.1
   CO-LLnL-H
(PEG)x(7) >100 >100 1.8
   COOH
   CO-LLnL-H
(PEG)x(8) >100 >100 0.017
   CO-LLnL-H
   Ac-RVR-H (2) >100 6.4 >100
   CO-RVR-H
(PEG)x(9) >100 8.2 >100
   COOH
   CO-RVR-H
(PEG)x(10) >100 0.071 >100
   CO-RVR-H
   CO-LLnL-H
(PEG)x(11) >100 0.097 0.031
   CO-RVR-H