5A9Q

Human nuclear pore complex

Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 23.0 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: TOMOGRAPHY 

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This is version 1.3 of the entry. See complete history. 


Literature

In Situ Structural Analysis of the Human Nuclear Pore Complex

Von Appen, A., Kosinski, J., Sparks, L., Ori, A., Diguilio, A., Vollmer, B., Mackmull, M., Banterle, N., Parca, L., Kastritis, P., Buczak, K., Mosalaganti, S., Hagen, W., Andres-Pons, A., Lemke, E.A., Bork, P., Antonin, W., Glavy, J.S., Bui, K.H., Beck, M.

(2015) Nature 526: 140

  • DOI: 10.1038/nature15381
  • Primary Citation of Related Structures:  
    5A9Q

  • PubMed Abstract: 

    • Nuclear pore complexes are fundamental components of all eukaryotic cells that mediate nucleocytoplasmic exchange. Determining their 110-megadalton structure imposes a formidable challenge and requires in situ structural biology approaches. Of approximately 30 nucleoporins (Nups), 15 are structured and form the Y and inner-ring complexes ...

    Nuclear pore complexes are fundamental components of all eukaryotic cells that mediate nucleocytoplasmic exchange. Determining their 110-megadalton structure imposes a formidable challenge and requires in situ structural biology approaches. Of approximately 30 nucleoporins (Nups), 15 are structured and form the Y and inner-ring complexes. These two major scaffolding modules assemble in multiple copies into an eight-fold rotationally symmetric structure that fuses the inner and outer nuclear membranes to form a central channel of ~60 nm in diameter. The scaffold is decorated with transport-channel Nups that often contain phenylalanine-repeat sequences and mediate the interaction with cargo complexes. Although the architectural arrangement of parts of the Y complex has been elucidated, it is unclear how exactly it oligomerizes in situ. Here we combine cryo-electron tomography with mass spectrometry, biochemical analysis, perturbation experiments and structural modelling to generate, to our knowledge, the most comprehensive architectural model of the human nuclear pore complex to date. Our data suggest previously unknown protein interfaces across Y complexes and to inner-ring complex members. We show that the transport-channel Nup358 (also known as Ranbp2) has a previously unanticipated role in Y-complex oligomerization. Our findings blur the established boundaries between scaffold and transport-channel Nups. We conclude that, similar to coated vesicles, several copies of the same structural building block--although compositionally identical--engage in different local sets of interactions and conformations.

    Organizational Affiliation: 

    European Molecular Biology Laboratory, Structural and Computational Biology Unit, Heidelberg, Germany.



Macromolecules
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Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
NUCLEOPORIN NUP43A [auth 0],
J [auth 9],
S [auth I],
BA [auth R]		380Homo sapiensMutation(s): 0 
Gene Names: NUP43
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UniProt GroupQ8NFH3
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Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
NUCLEAR PORE COMPLEX PROTEIN NUP160B [auth 1],
T [auth J],
CA [auth S],
KA [auth a]		1436Homo sapiensMutation(s): 0 
Gene Names: NUP160, KIAA0197, NUP120
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Entity ID: 3
MoleculeChainsSequence LengthOrganismDetailsImage
NUCLEOPORIN NUP37C [auth 2],
U [auth K],
DA [auth T],
LA [auth b]		326Homo sapiensMutation(s): 0 
Gene Names: NUP37
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Entity ID: 4
MoleculeChainsSequence LengthOrganismDetailsImage
NUCLEAR PORE COMPLEX PROTEIN NUP133D [auth 3],
M [auth C],
V [auth L],
EA [auth U]		1156Homo sapiensMutation(s): 0 
Gene Names: NUP133
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Entity ID: 5
MoleculeChainsSequence LengthOrganismDetailsImage
NUCLEAR PORE COMPLEX PROTEIN NUP107E [auth 4],
N [auth D],
W [auth M],
FA [auth V]		925Homo sapiensMutation(s): 0 
Gene Names: NUP107
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Entity ID: 6
MoleculeChainsSequence LengthOrganismDetailsImage
NUCLEAR PORE COMPLEX PROTEIN NUP96F [auth 5],
O [auth E],
X [auth N],
GA [auth W]		937Homo sapiensMutation(s): 0 
Gene Names: NUP98, ADAR2
EC: 3.4.21
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Entity ID: 7
MoleculeChainsSequence LengthOrganismDetailsImage
PROTEIN SEC13 HOMOLOGG [auth 6],
P [auth F],
Y [auth O],
HA [auth X]		322Homo sapiensMutation(s): 0 
Gene Names: SEC13, D3S1231E, SEC13A, SEC13L1, SEC13R
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Entity ID: 8
MoleculeChainsSequence LengthOrganismDetailsImage
NUCLEOPORIN SEH1H [auth 7],
Q [auth G],
Z [auth P],
IA [auth Y]		360Homo sapiensMutation(s): 0 
Gene Names: SEH1L, SEC13L, SEH1
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Entity ID: 9
MoleculeChainsSequence LengthOrganismDetailsImage
NUCLEAR PORE COMPLEX PROTEIN NUP85I [auth 8],
R [auth H],
AA [auth Q],
JA [auth Z]		656Homo sapiensMutation(s): 0 
Gene Names: NUP85, NUP75, PCNT1
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Entity ID: 10
MoleculeChainsSequence LengthOrganismDetailsImage
NUCLEAR PORE COMPLEX PROTEIN NUP155K [auth A],
L [auth B]		1391Homo sapiensMutation(s): 0 
Gene Names: NUP155, KIAA0791
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Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 23.0 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: TOMOGRAPHY 

Structure Validation

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View more in-depth experimental data

Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2015-09-30
    Type: Initial release
  • Version 1.1: 2015-10-07
    Changes: Database references
  • Version 1.2: 2015-10-14
    Changes: Database references
  • Version 1.3: 2017-08-23
    Changes: Data collection