4c0q

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'''Unreleased structure'''
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{{STRUCTURE_4c0q| PDB=4c0q | SCENE= }}
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===Transportin 3 in complex with Ran(Q69L)GTP===
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The entry 4c0q is ON HOLD until Paper Publication
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==Disease==
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[[http://www.uniprot.org/uniprot/TNPO3_HUMAN TNPO3_HUMAN]] Primary biliary cirrhosis;Autosomal dominant limb-girdle muscular dystrophy type 1F.
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Authors: Maertens, G., Cherepanov, P.
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==Function==
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[[http://www.uniprot.org/uniprot/TNPO3_HUMAN TNPO3_HUMAN]] Seems to function in nuclear protein import as nuclear transport receptor. In vitro, mediates the nuclear import of splicing factor SR proteins RBM4, SFRS1 and SFRS2, by recognizing phosphorylated RS domains.<ref>PMID:10366588</ref> <ref>PMID:10713112</ref> <ref>PMID:11517331</ref> <ref>PMID:12628928</ref> [[http://www.uniprot.org/uniprot/RAN_HUMAN RAN_HUMAN]] GTP-binding protein involved in nucleocytoplasmic transport. Required for the import of protein into the nucleus and also for RNA export. Involved in chromatin condensation and control of cell cycle (By similarity). 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.<ref>PMID:10400640</ref> <ref>PMID:8692944</ref> <ref>PMID:18591255</ref> <ref>PMID:18617507</ref> Enhances AR-mediated transactivation. Transactivation decreases as the poly-Gln length within AR increases.<ref>PMID:10400640</ref> <ref>PMID:8692944</ref> <ref>PMID:18591255</ref> <ref>PMID:18617507</ref>
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Description: Transportin 3 in complex with Ran(Q69L)GTP
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==About this Structure==
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[[4c0q]] is a 4 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4C0Q OCA].
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==Reference==
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<references group="xtra"/><references/>
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[[Category: Cherepanov, P.]]
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[[Category: Hare, S.]]
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[[Category: Maertens, G.]]
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[[Category: Heat repeat]]
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[[Category: Importin beta]]
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[[Category: Nuclear import]]
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[[Category: Transport protein-gtp-binding protein complex]]

Revision as of 07:01, 22 January 2014

Template:STRUCTURE 4c0q

Contents

Transportin 3 in complex with Ran(Q69L)GTP

Disease

[TNPO3_HUMAN] Primary biliary cirrhosis;Autosomal dominant limb-girdle muscular dystrophy type 1F.

Function

[TNPO3_HUMAN] Seems to function in nuclear protein import as nuclear transport receptor. In vitro, mediates the nuclear import of splicing factor SR proteins RBM4, SFRS1 and SFRS2, by recognizing phosphorylated RS domains.[1] [2] [3] [4] [RAN_HUMAN] GTP-binding protein involved in nucleocytoplasmic transport. Required for the import of protein into the nucleus and also for RNA export. Involved in chromatin condensation and control of cell cycle (By similarity). 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.[5] [6] [7] [8] Enhances AR-mediated transactivation. Transactivation decreases as the poly-Gln length within AR increases.[9] [10] [11] [12]

About this Structure

4c0q is a 4 chain structure. Full crystallographic information is available from OCA.

Reference

  1. ↑ Kataoka N, Bachorik JL, Dreyfuss G. Transportin-SR, a nuclear import receptor for SR proteins. J Cell Biol. 1999 Jun 14;145(6):1145-52. PMID:10366588
  2. ↑ Lai MC, Lin RI, Huang SY, Tsai CW, Tarn WY. A human importin-beta family protein, transportin-SR2, interacts with the phosphorylated RS domain of SR proteins. J Biol Chem. 2000 Mar 17;275(11):7950-7. PMID:10713112
  3. ↑ Lai MC, Lin RI, Tarn WY. Transportin-SR2 mediates nuclear import of phosphorylated SR proteins. Proc Natl Acad Sci U S A. 2001 Aug 28;98(18):10154-9. Epub 2001 Aug 21. PMID:11517331 doi:http://dx.doi.org/10.1073/pnas.181354098
  4. ↑ Lai MC, Kuo HW, Chang WC, Tarn WY. A novel splicing regulator shares a nuclear import pathway with SR proteins. EMBO J. 2003 Mar 17;22(6):1359-69. PMID:12628928 doi:http://dx.doi.org/10.1093/emboj/cdg126
  5. ↑ Hsiao PW, Lin DL, Nakao R, Chang C. The linkage of Kennedy's neuron disease to ARA24, the first identified androgen receptor polyglutamine region-associated coactivator. J Biol Chem. 1999 Jul 16;274(29):20229-34. PMID:10400640
  6. ↑ Moroianu J, Blobel G, Radu A. Nuclear protein import: Ran-GTP dissociates the karyopherin alphabeta heterodimer by displacing alpha from an overlapping binding site on beta. Proc Natl Acad Sci U S A. 1996 Jul 9;93(14):7059-62. PMID:8692944
  7. ↑ Xia F, Canovas PM, Guadagno TM, Altieri DC. A survivin-ran complex regulates spindle formation in tumor cells. Mol Cell Biol. 2008 Sep;28(17):5299-311. Epub 2008 Jun 30. PMID:18591255 doi:10.1128/MCB.02039-07
  8. ↑ Sanz-Garcia M, Lopez-Sanchez I, Lazo PA. Proteomics identification of nuclear Ran GTPase as an inhibitor of human VRK1 and VRK2 (vaccinia-related kinase) activities. Mol Cell Proteomics. 2008 Nov;7(11):2199-214. doi: 10.1074/mcp.M700586-MCP200., Epub 2008 Jul 9. PMID:18617507 doi:10.1074/mcp.M700586-MCP200
  9. ↑ Hsiao PW, Lin DL, Nakao R, Chang C. The linkage of Kennedy's neuron disease to ARA24, the first identified androgen receptor polyglutamine region-associated coactivator. J Biol Chem. 1999 Jul 16;274(29):20229-34. PMID:10400640
  10. ↑ Moroianu J, Blobel G, Radu A. Nuclear protein import: Ran-GTP dissociates the karyopherin alphabeta heterodimer by displacing alpha from an overlapping binding site on beta. Proc Natl Acad Sci U S A. 1996 Jul 9;93(14):7059-62. PMID:8692944
  11. ↑ Xia F, Canovas PM, Guadagno TM, Altieri DC. A survivin-ran complex regulates spindle formation in tumor cells. Mol Cell Biol. 2008 Sep;28(17):5299-311. Epub 2008 Jun 30. PMID:18591255 doi:10.1128/MCB.02039-07
  12. ↑ Sanz-Garcia M, Lopez-Sanchez I, Lazo PA. Proteomics identification of nuclear Ran GTPase as an inhibitor of human VRK1 and VRK2 (vaccinia-related kinase) activities. Mol Cell Proteomics. 2008 Nov;7(11):2199-214. doi: 10.1074/mcp.M700586-MCP200., Epub 2008 Jul 9. PMID:18617507 doi:10.1074/mcp.M700586-MCP200

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