Uncharacterized protein / Nuclear pore complex protein Nup133 / Nuclear pore complex protein Nup98-Nup96 / Nuclear pore complex protein / MGC154553 protein / Protein ELYS / MGC83295 protein / MGC83926 protein / Nuclear pore complex protein Nup85 / Nucleoporin SEH1-B ...Uncharacterized protein / Nuclear pore complex protein Nup133 / Nuclear pore complex protein Nup98-Nup96 / Nuclear pore complex protein / MGC154553 protein / Protein ELYS / MGC83295 protein / MGC83926 protein / Nuclear pore complex protein Nup85 / Nucleoporin SEH1-B / Nucleoporin 155kDa L homeolog / Nuclear pore complex protein Nup93 / Protein SEC13 homolog Similarity search - Component
Biological species
Xenopus laevis (African clawed frog)
Method
single particle reconstruction / cryo EM / Resolution: 5.6 Å
National Natural Science Foundation of China (NSFC)
China
Citation
Journal: Cell Res / Year: 2022 Title: Cryo-EM structure of the nuclear ring from Xenopus laevis nuclear pore complex. Authors: Gaoxingyu Huang / Xiechao Zhan / Chao Zeng / Xuechen Zhu / Ke Liang / Yanyu Zhao / Pan Wang / Qifan Wang / Qiang Zhou / Qinghua Tao / Minhao Liu / Jianlin Lei / Chuangye Yan / Yigong Shi / Abstract: Nuclear pore complex (NPC) shuttles cargo across the nuclear envelope. Here we present single-particle cryo-EM structure of the nuclear ring (NR) subunit from Xenopus laevis NPC at an average ...Nuclear pore complex (NPC) shuttles cargo across the nuclear envelope. Here we present single-particle cryo-EM structure of the nuclear ring (NR) subunit from Xenopus laevis NPC at an average resolution of 5.6 Å. The NR subunit comprises two 10-membered Y complexes, each with the nucleoporin ELYS closely associating with Nup160 and Nup37 of the long arm. Unlike the cytoplasmic ring (CR) or inner ring (IR), the NR subunit contains only one molecule each of Nup205 and Nup93. Nup205 binds both arms of the Y complexes and interacts with the stem of inner Y complex from the neighboring subunit. Nup93 connects the stems of inner and outer Y complexes within the same NR subunit, and places its N-terminal extended helix into the axial groove of Nup205 from the neighboring subunit. Together with other structural information, we have generated a composite atomic model of the central ring scaffold that includes the NR, IR, and CR. The IR is connected to the two outer rings mainly through Nup155. This model facilitates functional understanding of vertebrate NPC.
History
Deposition
Dec 15, 2021
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Header (metadata) release
Mar 2, 2022
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Map release
Mar 2, 2022
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Update
Jun 26, 2024
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Current status
Jun 26, 2024
Processing site: PDBj / Status: Released
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Structure visualization
Movie
Surface view with section colored by density value
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