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1jn5

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Template:STRUCTURE 1jn5

Contents

Structural basis for the recognition of a nucleoporin FG-repeat by the NTF2-like domain of TAP-p15 mRNA export factor

Template:ABSTRACT PUBMED 11583626

Function

[NXT1_HUMAN] Stimulator of protein export for NES-containing proteins. Also plays a role in the nuclear export of U1 snRNA, tRNA, and mRNA. The NXF1-NXT1 heterodimer is involved in the export of HSP70 mRNA in conjunction with ALYREF/THOC4 and THOC5.[1] [2] [3] [4] [NXF1_HUMAN] Involved in the nuclear export of mRNA species bearing retroviral constitutive transport elements (CTE) and in the export of mRNA from the nucleus to the cytoplasm. The NXF1-NXT1 heterodimer is involved in the export of HSP70 mRNA in conjunction with ALYREF/THOC4 and THOC5.[5] [6]

About this Structure

1jn5 is a 3 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

  • Fribourg S, Braun IC, Izaurralde E, Conti E. Structural basis for the recognition of a nucleoporin FG repeat by the NTF2-like domain of the TAP/p15 mRNA nuclear export factor. Mol Cell. 2001 Sep;8(3):645-56. PMID:11583626
  1. ↑ Black BE, Levesque L, Holaska JM, Wood TC, Paschal BM. Identification of an NTF2-related factor that binds Ran-GTP and regulates nuclear protein export. Mol Cell Biol. 1999 Dec;19(12):8616-24. PMID:10567585
  2. ↑ Ossareh-Nazari B, Maison C, Black BE, Levesque L, Paschal BM, Dargemont C. RanGTP-binding protein NXT1 facilitates nuclear export of different classes of RNA in vitro. Mol Cell Biol. 2000 Jul;20(13):4562-71. PMID:10848583
  3. ↑ Guzik BW, Levesque L, Prasad S, Bor YC, Black BE, Paschal BM, Rekosh D, Hammarskjold ML. NXT1 (p15) is a crucial cellular cofactor in TAP-dependent export of intron-containing RNA in mammalian cells. Mol Cell Biol. 2001 Apr;21(7):2545-54. PMID:11259602 doi:10.1128/MCB.21.7.2545-2554.2001
  4. ↑ Katahira J, Inoue H, Hurt E, Yoneda Y. Adaptor Aly and co-adaptor Thoc5 function in the Tap-p15-mediated nuclear export of HSP70 mRNA. EMBO J. 2009 Mar 4;28(5):556-67. doi: 10.1038/emboj.2009.5. Epub 2009 Jan 22. PMID:19165146 doi:10.1038/emboj.2009.5
  5. ↑ Gruter P, Tabernero C, von Kobbe C, Schmitt C, Saavedra C, Bachi A, Wilm M, Felber BK, Izaurralde E. TAP, the human homolog of Mex67p, mediates CTE-dependent RNA export from the nucleus. Mol Cell. 1998 Apr;1(5):649-59. PMID:9660949
  6. ↑ Katahira J, Inoue H, Hurt E, Yoneda Y. Adaptor Aly and co-adaptor Thoc5 function in the Tap-p15-mediated nuclear export of HSP70 mRNA. EMBO J. 2009 Mar 4;28(5):556-67. doi: 10.1038/emboj.2009.5. Epub 2009 Jan 22. PMID:19165146 doi:10.1038/emboj.2009.5

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