Exportin

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== Function ==
== Function ==
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'''Exportins''' (XPO) or '''chromosomal maintenance protein''' mediate the nuclear export of cellular proteins with a leucine-rich export signal (NES) and RNA. XPO is regulated by GTPaseRan. RanGTP bind to XPO forming a ternary complex with the exported protein. The complex diffuses through the nuclear core complex to the cytoplasm and then dissociates. '''XPO-t''' exports tRNA from the nucleus.
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'''Exportins''' (XPO) or '''chromosomal maintenance protein''' mediate the nuclear export of cellular proteins with a leucine-rich export signal (NES) and RNA. XPO is regulated by GTPaseRan. RanGTP bind to XPO forming a ternary complex with the exported protein. The complex diffuses through the nuclear core complex to the cytoplasm and then dissociates. '''XPO-t''' exports tRNA from the nucleus<ref>PMID:17786152</ref>.
== Disease ==
== Disease ==

Revision as of 19:51, 20 January 2016

Structure of yeast exportin-5 (dark green and dark red) complex with GTPaseRan (pale green and pink), Mg+2 (green) and RNA (PDB code 3icq).

Drag the structure with the mouse to rotate

3D structures of exportin

Updated on 20-January-2016

References

  1. Kohler A, Hurt E. Exporting RNA from the nucleus to the cytoplasm. Nat Rev Mol Cell Biol. 2007 Oct;8(10):761-73. PMID:17786152 doi:http://dx.doi.org/10.1038/nrm2255

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Michal Harel, Alexander Berchansky

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