The permeability barrier of nuclear pore complexes (NPCs) controls all nucleo-cytoplasmic exchange. It is freely permeable for small molecules. Objects larger than approximately 30 kDa can efficiently cross this barrier only when bound to nuclear transport receptors (NTRs) that confer translocation-promoting properties. We had shown earlier that the permeability barrier can be reconstituted in the form of a saturated FG/FxFG repeat hydrogel. We now show that GLFG repeats, the other major FG repeat type, can also form highly selective hydrogels. While supporting massive, reversible importin-mediated cargo influx, FG/FxFG, GLFG or mixed hydrogels remained firm barriers towards inert objects that lacked nuclear transport signals. This indicates that FG hydrogels immediately reseal behind a translocating species and thus possess 'self-healing' properties. NTRs not only left the barrier intact, they even tightened it against passive influx, pointing to a role for NTRs in establishing and maintaining the permeability barrier of NPCs.
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| Evidence ID | Analyze ID | Gene/Complex | Systematic Name/Complex Accession | Qualifier | Gene Ontology Term ID | Gene Ontology Term | Aspect | Annotation Extension | Evidence | Method | Source | Assigned On | Reference |
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| Evidence ID | Analyze ID | Gene | Gene Systematic Name | Phenotype | Experiment Type | Experiment Type Category | Mutant Information | Strain Background | Chemical | Details | Reference |
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| Evidence ID | Analyze ID | Gene | Gene Systematic Name | Disease Ontology Term | Disease Ontology Term ID | Qualifier | Evidence | Method | Source | Assigned On | Reference |
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| Evidence ID | Analyze ID | Regulator | Regulator Systematic Name | Target | Target Systematic Name | Direction | Regulation of | Happens During | Regulator Type | Direction | Regulation Of | Happens During | Method | Evidence | Strain Background | Reference |
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| Site | Modification | Modifier | Source | Reference |
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| Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Allele | Assay | Annotation | Action | Phenotype | SGA score | P-value | Source | Reference | Note |
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| Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Assay | Annotation | Action | Modification | Source | Reference | Note |
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| Complement ID | Locus ID | Gene | Species | Gene ID | Strain background | Direction | Details | Source | Reference |
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| Evidence ID | Analyze ID | Dataset | Description | Keywords | Number of Conditions | Reference |
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| Evidence ID | Analyze ID | File | Description |
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