Article
Quantitative live-cell imaging reveals spatio-temporal dynamics and cytoplasmic assembly of the 26S proteasome.
Nature communications - 6 Mar 2014
Pack Chan-Gi, Yukii Haruka, Toh-e Akio, Kudo Tai, Tsuchiya Hikaru, Kaiho Ai, Sakata Eri, Murata Shigeo, Yokosawa Hideyoshi, Sako Yasushi, Baumeister Wolfgang, Tanaka Keiji, Saeki Yasushi
Abstract excerpt
The 26S proteasome is a 2.5-MDa multisubunit protease complex that degrades polyubiquitylated proteins. Although its functions and structure have been extensively characterized, little is known about its dynamics in living cells. Here, we investigate the absolute concentration, spatio-temporal dynamics and complex formation of the proteasome in living cells using fluorescence correlation spectroscopy. We find...
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