Article
How lamina-associated polypeptide 1 (LAP1) activates Torsin.
eLife - 22 Aug 2014
Sosa Brian A, Demircioglu F Esra, Chen James Z, Ingram Jessica, Ploegh Hidde L, Schwartz Thomas U
Abstract excerpt
Lamina-associated polypeptide 1 (LAP1) resides at the nuclear envelope and interacts with Torsins, poorly understood endoplasmic reticulum (ER)-localized AAA+ ATPases, through a conserved, perinuclear domain. We determined the crystal structure of the perinuclear domain of human LAP1. LAP1 possesses an atypical AAA+ fold. While LAP1 lacks canonical nucleotide binding motifs, its strictly conserved arginine 563 is...
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