1wa5: Difference between revisions

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<StructureSection load='1wa5' size='340' side='right'caption='[[1wa5]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
<StructureSection load='1wa5' size='340' side='right'caption='[[1wa5]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[1wa5]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Atcc_18824 Atcc 18824] and [http://en.wikipedia.org/wiki/Canlf Canlf]. The January 2007 RCSB PDB [http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Importins''  by David S. Goodsell is [http://dx.doi.org/10.2210/rcsb_pdb/mom_2007_1 10.2210/rcsb_pdb/mom_2007_1]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1WA5 OCA]. For a <b>guided tour on the structure components</b> use [http://proteopedia.org/fgij/fg.htm?mol=1WA5 FirstGlance]. <br>
<table><tr><td colspan='2'>[[1wa5]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Canis_lupus_familiaris Canis lupus familiaris] and [https://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. The January 2007 RCSB PDB [https://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Importins''  by David S. Goodsell is [https://dx.doi.org/10.2210/rcsb_pdb/mom_2007_1 10.2210/rcsb_pdb/mom_2007_1]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1WA5 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1WA5 FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=GTP:GUANOSINE-5-TRIPHOSPHATE'>GTP</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2&#8491;</td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">RAN ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9615 CANLF]), SRP1, GI526_G0004888 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=4932 ATCC 18824]), CSE1, YGL238W, HRC135 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=4932 ATCC 18824])</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=GTP:GUANOSINE-5-TRIPHOSPHATE'>GTP</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://proteopedia.org/fgij/fg.htm?mol=1wa5 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1wa5 OCA], [http://pdbe.org/1wa5 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1wa5 RCSB], [http://www.ebi.ac.uk/pdbsum/1wa5 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=1wa5 ProSAT]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1wa5 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1wa5 OCA], [https://pdbe.org/1wa5 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1wa5 RCSB], [https://www.ebi.ac.uk/pdbsum/1wa5 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1wa5 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[http://www.uniprot.org/uniprot/RAN_CANLF RAN_CANLF]] GTPase involved in nucleocytoplasmic transport, participating both to the import and the export from the nucleus of proteins and RNAs. Switches between a cytoplasmic GDP- and a nuclear GTP-bound state by nucleotide exchange and GTP hydrolysis. Nuclear import receptors such as importin beta bind their substrates only in the absence of GTP-bound RAN and release them upon direct interaction with GTP-bound RAN, while export receptors behave in the opposite way. Thereby, RAN controls cargo loading and release by transport receptors in the proper compartment and ensures the directionality of the transport. Interaction with RANBP1 induces a conformation change in the complex formed by XPO1 and RAN that triggers the release of the nuclear export signal of cargo proteins. RAN (GTP-bound form) triggers microtubule assembly at mitotic chromosomes and is required for normal mitotic spindle assembly and chromosome segregation. Required for normal progress through mitosis. The complex with BIRC5/survivin plays a role in mitotic spindle formation by serving as a physical scaffold to help deliver the RAN effector molecule TPX2 to microtubules. Acts as a negative regulator of the kinase activity of VRK1 and VRK2. Enhances AR-mediated transactivation.[UniProtKB:P62826] [[http://www.uniprot.org/uniprot/CSE1_YEAST CSE1_YEAST]] Export receptor for importin alpha (SRP1). Mediates importin-alpha re-export from the nucleus to the cytoplasm after import substrates have been released into the nucleoplasm.<ref>PMID:9744791</ref> <ref>PMID:9857050</ref> <ref>PMID:9774694</ref> <ref>PMID:10394916</ref>
[https://www.uniprot.org/uniprot/CSE1_YEAST CSE1_YEAST] Export receptor for importin alpha (SRP1). Mediates importin-alpha re-export from the nucleus to the cytoplasm after import substrates have been released into the nucleoplasm.<ref>PMID:9744791</ref> <ref>PMID:9857050</ref> <ref>PMID:9774694</ref> <ref>PMID:10394916</ref>  
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Atcc 18824]]
[[Category: Canis lupus familiaris]]
[[Category: Canlf]]
[[Category: Importins]]
[[Category: Importins]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: RCSB PDB Molecule of the Month]]
[[Category: RCSB PDB Molecule of the Month]]
[[Category: Stewart, M]]
[[Category: Saccharomyces cerevisiae]]
[[Category: Cse1]]
[[Category: Stewart M]]
[[Category: Importin-alpha]]
[[Category: Nuclear transport]]
[[Category: Rangtp]]
[[Category: Transport protein]]

Latest revision as of 13:26, 13 December 2023

Structure of the Cse1:Imp-alpha:RanGTP complex

1wa5, resolution 2.00Å

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