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Title: Structural determinants of nuclear export signal orientation in binding to exportin CRM1

Abstract

The Chromosome Region of Maintenance 1 (CRM1) protein mediates nuclear export of hundreds of proteins through recognition of their nuclear export signals (NESs), which are highly variable in sequence and structure. The plasticity of the CRM1-NES interaction is not well understood, as there are many NES sequences that seem incompatible with structures of the NES-bound CRM1 groove. Crystal structures of CRM1 bound to two different NESs with unusual sequences showed the NES peptides binding the CRM1 groove in the opposite orientation (minus) to that of previously studied NESs (plus). A comparison of minus and plus NESs identified structural and sequence determinants for NES orientation. The binding of NESs to CRM1 in both orientations results in a large expansion in NES consensus patterns and therefore a corresponding expansion of potential NESs in the proteome.

Authors:
ORCiD logo [1];  [1];  [1];  [1]
  1. Univ. of Texas Southwestern Medical Center, Dallas, TX (United States)
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1223794
Grant/Contract Number:  
AC02-06CH11357; RP120352, RP150053; GM069909
Resource Type:
Accepted Manuscript
Journal Name:
eLife
Additional Journal Information:
Journal Volume: 4; Journal ID: ISSN 2050-084X
Publisher:
eLife Sciences Publications, Ltd.
Country of Publication:
United States
Language:
English
Subject:
59 BASIC BIOLOGICAL SCIENCES

Citation Formats

Fung, Ho Yee Joyce, Fu, Szu -Chin, Brautigam, Chad A., and Chook, Yuh Min. Structural determinants of nuclear export signal orientation in binding to exportin CRM1. United States: N. p., 2015. Web. doi:10.7554/eLife.10034.
Fung, Ho Yee Joyce, Fu, Szu -Chin, Brautigam, Chad A., & Chook, Yuh Min. Structural determinants of nuclear export signal orientation in binding to exportin CRM1. United States. doi:10.7554/eLife.10034.
Fung, Ho Yee Joyce, Fu, Szu -Chin, Brautigam, Chad A., and Chook, Yuh Min. Tue . "Structural determinants of nuclear export signal orientation in binding to exportin CRM1". United States. doi:10.7554/eLife.10034. https://www.osti.gov/servlets/purl/1223794.
@article{osti_1223794,
title = {Structural determinants of nuclear export signal orientation in binding to exportin CRM1},
author = {Fung, Ho Yee Joyce and Fu, Szu -Chin and Brautigam, Chad A. and Chook, Yuh Min},
abstractNote = {The Chromosome Region of Maintenance 1 (CRM1) protein mediates nuclear export of hundreds of proteins through recognition of their nuclear export signals (NESs), which are highly variable in sequence and structure. The plasticity of the CRM1-NES interaction is not well understood, as there are many NES sequences that seem incompatible with structures of the NES-bound CRM1 groove. Crystal structures of CRM1 bound to two different NESs with unusual sequences showed the NES peptides binding the CRM1 groove in the opposite orientation (minus) to that of previously studied NESs (plus). A comparison of minus and plus NESs identified structural and sequence determinants for NES orientation. The binding of NESs to CRM1 in both orientations results in a large expansion in NES consensus patterns and therefore a corresponding expansion of potential NESs in the proteome.},
doi = {10.7554/eLife.10034},
journal = {eLife},
number = ,
volume = 4,
place = {United States},
year = {2015},
month = {9}
}

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Cited by: 9 works
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