Article
Incorporation of the Rpn12 subunit couples completion of proteasome regulatory particle lid assembly to lid-base joining.
Molecular cell - 23 Dec 2011
Tomko Robert J, Hochstrasser Mark
Abstract excerpt
The 26S proteasome, the central eukaryotic protease, comprises a core particle capped by a 19S regulatory particle (RP). The RP is divisible into base and lid subcomplexes. Lid biogenesis and incorporation into the RP remain poorly understood. We report several lid intermediates, including the free Rpn12 subunit and a lid particle (LP) containing the remaining eight subunits, LP2. Rpn12 binds LP2 in vitro, and...
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