4hb3

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[[Image:4hb3.png|left|200px]]
 
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{{STRUCTURE_4hb3| PDB=4hb3 | SCENE= }}
{{STRUCTURE_4hb3| PDB=4hb3 | SCENE= }}
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===Crystal structure of CRM1(T539S)-Ran-RanBP1 with weakly bound unmodeled Leptomycin B===
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===Crystal structure of CRM1(T539S)-Ran-RanBP1 soaked in excess CRM1 inhibitor Leptomycin B===
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{{ABSTRACT_PUBMED_23297231}}
{{ABSTRACT_PUBMED_23297231}}
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==Function==
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[[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> [[http://www.uniprot.org/uniprot/XPO1_YEAST XPO1_YEAST]] Receptor for the leucine-rich nuclear export signal (NES). [[http://www.uniprot.org/uniprot/YRB1_YEAST YRB1_YEAST]] Important for the export of protein containing nuclear export signal (NES) out of the nucleus. Stimulates the GTPase activity of GSP1 and GSP2.
==About this Structure==
==About this Structure==
[[4hb3]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [http://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4HB3 OCA].
[[4hb3]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [http://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4HB3 OCA].
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==See Also==
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*[[GTP-binding protein|GTP-binding protein]]
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==Reference==
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<references group="xtra"/><references/>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Saccharomyces cerevisiae]]
[[Category: Saccharomyces cerevisiae]]

Revision as of 06:43, 8 May 2013

Template:STRUCTURE 4hb3

Contents

Crystal structure of CRM1(T539S)-Ran-RanBP1 with weakly bound unmodeled Leptomycin B

Template:ABSTRACT PUBMED 23297231

Function

[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.[1] [2] [3] [4] Enhances AR-mediated transactivation. Transactivation decreases as the poly-Gln length within AR increases.[5] [6] [7] [8] [XPO1_YEAST] Receptor for the leucine-rich nuclear export signal (NES). [YRB1_YEAST] Important for the export of protein containing nuclear export signal (NES) out of the nucleus. Stimulates the GTPase activity of GSP1 and GSP2.

About this Structure

4hb3 is a 3 chain structure with sequence from Homo sapiens and Saccharomyces cerevisiae. Full crystallographic information is available from OCA.

See Also

Reference

  1. ↑ 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
  2. ↑ 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
  3. ↑ 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
  4. ↑ 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
  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

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