Organization of the nuclear pore complex in Saccharomyces cerevisiae - PubMed (original) (raw)

Organization of the nuclear pore complex in Saccharomyces cerevisiae

J L Allen et al. J Ultrastruct Mol Struct Res. 1989 Aug.

Abstract

Fractions enriched for nuclear pore complexes (NPCs) have been isolated from Saccharomyces cerevisiae. The sequential extraction of nuclei with detergent, nucleases, and salt reveals an organization of the yeast NPC similar to other eukaryotes. Yeast NPCs contain a 30-nm "ring" structure not previously described in other organisms. This structure appears to organize 10-nm filaments into an assembly which exhibits an eight-fold rotational symmetry. Some proteins in the NPC fraction are capable of forming intermediate-sized filaments. These studies suggest that some component of the nuclear pore complex organizes an interaction between nuclear and cytoplasmic networks of intermediate filaments.

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