5tqc: Difference between revisions
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==Crystal structure of transport factor karyopherin-beta 2 in complex with the PY-NLS of ribosomal protein L4 (RpL4)== | ==Crystal structure of transport factor karyopherin-beta 2 in complex with the PY-NLS of ribosomal protein L4 (RpL4)== | ||
<StructureSection load='5tqc' size='340' side='right' caption='[[5tqc]], [[Resolution|resolution]] 3.00Å' scene=''> | <StructureSection load='5tqc' size='340' side='right'caption='[[5tqc]], [[Resolution|resolution]] 3.00Å' scene=''> | ||
== Structural highlights == | == Structural highlights == | ||
<table><tr><td colspan='2'>[[5tqc]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5TQC OCA]. For a <b>guided tour on the structure components</b> use [ | <table><tr><td colspan='2'>[[5tqc]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Chaetomium_thermophilum_var._thermophilum_DSM_1495 Chaetomium thermophilum var. thermophilum DSM 1495] and [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5TQC OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5TQC FirstGlance]. <br> | ||
</td></tr><tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[ | </td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 3Å</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=5tqc FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5tqc OCA], [https://pdbe.org/5tqc PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5tqc RCSB], [https://www.ebi.ac.uk/pdbsum/5tqc PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5tqc ProSAT]</span></td></tr> | |||
</table> | </table> | ||
== Function == | == Function == | ||
[ | [https://www.uniprot.org/uniprot/TNPO1_HUMAN TNPO1_HUMAN] Functions in nuclear protein import as nuclear transport receptor. Serves as receptor for nuclear localization signals (NLS) in cargo substrates. Is thought to mediate docking of the importin/substrate complex to the nuclear pore complex (NPC) through binding to nucleoporin and the complex is subsequently translocated through the pore by an energy requiring, Ran-dependent mechanism. At the nucleoplasmic side of the NPC, Ran binds to the importin, the importin/substrate complex dissociates and importin is re-exported from the nucleus to the cytoplasm where GTP hydrolysis releases Ran. The directionality of nuclear import is thought to be conferred by an asymmetric distribution of the GTP- and GDP-bound forms of Ran between the cytoplasm and nucleus (By similarity). Involved in nuclear import of M9-containing proteins. In vitro, binds directly to the M9 region of the heterogeneous nuclear ribonucleoproteins (hnRNP), A1 and A2 and mediates their nuclear import. Appears also to be involved in hnRNP A1/A2 nuclear export. Mediates the nuclear import of ribosomal proteins RPL23A, RPS7 and RPL5. Binds to a beta-like import receptor binding (BIB) domain of RPL23A. In vitro, mediates nuclear import of H2A, H2B, H3 and H4 histones, and SRP19. In case of HIV-1 infection, binds and mediates the nuclear import of HIV-1 Rev. Mediates nuclear import of ADAR/ADAR1 (isoform 5) in a RanGTP-dependent manner.<ref>PMID:8986607</ref> <ref>PMID:9687515</ref> <ref>PMID:11682607</ref> <ref>PMID:19124606</ref> | ||
<div style="background-color:#fffaf0;"> | <div style="background-color:#fffaf0;"> | ||
== Publication Abstract from PubMed == | == Publication Abstract from PubMed == | ||
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==See Also== | ==See Also== | ||
*[[Importin|Importin]] | *[[Importin 3D structures|Importin 3D structures]] | ||
== References == | == References == | ||
<references/> | <references/> | ||
__TOC__ | __TOC__ | ||
</StructureSection> | </StructureSection> | ||
[[Category: | [[Category: Chaetomium thermophilum var. thermophilum DSM 1495]] | ||
[[Category: | [[Category: Homo sapiens]] | ||
[[Category: | [[Category: Large Structures]] | ||
[[Category: | [[Category: Hoelz A]] | ||
[[Category: Huber FM]] |