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Title: Crystal structure of the human sterol transporter ABCG5/ABCG8

Abstract

ATP binding cassette (ABC) transporters play critical roles in maintaining sterol balance in higher eukaryotes. The ABCG5/ABCG8 heterodimer (G5G8) mediates excretion of neutral sterols in liver and intestines. Mutations disrupting G5G8 cause sitosterolaemia, a disorder characterized by sterol accumulation and premature atherosclerosis. Here we use crystallization in lipid bilayers to determine the X-ray structure of human G5G8 in a nucleotide-free state at 3.9 Å resolution, generating the first atomic model of an ABC sterol transporter. The structure reveals a new transmembrane fold that is present in a large and functionally diverse superfamily of ABC transporters. Here, the transmembrane domains are coupled to the nucleotide-binding sites by networks of interactions that differ between the active and inactive ATPases, reflecting the catalytic asymmetry of the transporter. The G5G8 structure provides a mechanistic framework for understanding sterol transport and the disruptive effects of mutations causing sitosterolaemia.

Authors:
 [1];  [1];  [1];  [1];  [1];  [2];  [1];  [1];  [1];  [1];  [1];  [1]
  1. Univ. of Texas Southwestern Medical Center, Dallas, TX (United States)
  2. Texas Tech Univ. Health Sciences Center, Lubbock, TX (United States)
Publication Date:
Research Org.:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Scientific User Facilities Division; American Heart Association South Central Affiliate; American Heart Association Texas Affiliate; Welch Foundation; Packard Foundation; Howard Hughes Medical Inst.; National Inst. of Health
OSTI Identifier:
1255303
Grant/Contract Number:  
AC02-06CH11357; 0825285F; 0463130Y; I-1770; HL72304; P01-HL20948; GM094575; GM053163; GM117080; GM113050
Resource Type:
Accepted Manuscript
Journal Name:
Nature (London)
Additional Journal Information:
Journal Name: Nature (London); Journal Volume: 533; Journal Issue: 7604; Journal ID: ISSN 0028-0836
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
ENGLISH
Subject:
59 BASIC BIOLOGICAL SCIENCES; Transporters; X-ray crystallography

Citation Formats

Lee, Jyh-Yeuan, Kinch, Lisa N., Borek, Dominika M., Wang, Jin, Wang, Junmei, Urbatsch, Ina L., Xie, Xiao-Song, Grishin, Nikolai V., Cohen, Jonathan C., Otwinowski, Zbyszek, Hobbs, Helen H., and Rosenbaum, Daniel M. Crystal structure of the human sterol transporter ABCG5/ABCG8. United States: N. p., 2016. Web. doi:10.1038/nature17666.
Lee, Jyh-Yeuan, Kinch, Lisa N., Borek, Dominika M., Wang, Jin, Wang, Junmei, Urbatsch, Ina L., Xie, Xiao-Song, Grishin, Nikolai V., Cohen, Jonathan C., Otwinowski, Zbyszek, Hobbs, Helen H., & Rosenbaum, Daniel M. Crystal structure of the human sterol transporter ABCG5/ABCG8. United States. https://doi.org/10.1038/nature17666
Lee, Jyh-Yeuan, Kinch, Lisa N., Borek, Dominika M., Wang, Jin, Wang, Junmei, Urbatsch, Ina L., Xie, Xiao-Song, Grishin, Nikolai V., Cohen, Jonathan C., Otwinowski, Zbyszek, Hobbs, Helen H., and Rosenbaum, Daniel M. Wed . "Crystal structure of the human sterol transporter ABCG5/ABCG8". United States. https://doi.org/10.1038/nature17666. https://www.osti.gov/servlets/purl/1255303.
@article{osti_1255303,
title = {Crystal structure of the human sterol transporter ABCG5/ABCG8},
author = {Lee, Jyh-Yeuan and Kinch, Lisa N. and Borek, Dominika M. and Wang, Jin and Wang, Junmei and Urbatsch, Ina L. and Xie, Xiao-Song and Grishin, Nikolai V. and Cohen, Jonathan C. and Otwinowski, Zbyszek and Hobbs, Helen H. and Rosenbaum, Daniel M.},
abstractNote = {ATP binding cassette (ABC) transporters play critical roles in maintaining sterol balance in higher eukaryotes. The ABCG5/ABCG8 heterodimer (G5G8) mediates excretion of neutral sterols in liver and intestines. Mutations disrupting G5G8 cause sitosterolaemia, a disorder characterized by sterol accumulation and premature atherosclerosis. Here we use crystallization in lipid bilayers to determine the X-ray structure of human G5G8 in a nucleotide-free state at 3.9 Å resolution, generating the first atomic model of an ABC sterol transporter. The structure reveals a new transmembrane fold that is present in a large and functionally diverse superfamily of ABC transporters. Here, the transmembrane domains are coupled to the nucleotide-binding sites by networks of interactions that differ between the active and inactive ATPases, reflecting the catalytic asymmetry of the transporter. The G5G8 structure provides a mechanistic framework for understanding sterol transport and the disruptive effects of mutations causing sitosterolaemia.},
doi = {10.1038/nature17666},
journal = {Nature (London)},
number = 7604,
volume = 533,
place = {United States},
year = {Wed May 04 00:00:00 EDT 2016},
month = {Wed May 04 00:00:00 EDT 2016}
}

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journal, April 2018


Architecture of a channel-forming O-antigen polysaccharide ABC transporter
journal, January 2018

  • Bi, Yunchen; Mann, Evan; Whitfield, Chris
  • Nature, Vol. 553, Issue 7688
  • DOI: 10.1038/nature25190

Antibiotic Resistance Mediated by the MacB ABC Transporter Family: A Structural and Functional Perspective.
text, January 2018

  • Greene, Nicholas; Kaplan, Elise; Crow, Allister
  • Apollo - University of Cambridge Repository
  • DOI: 10.17863/cam.26693

Structural Biology and Structure–Function Relationships of Membrane Proteins
journal, March 2021


Structural basis of small-molecule inhibition of human multidrug transporter ABCG2
text, January 2018


Quantitative comparison of ABC membrane protein type I exporter structures in a standardized way
journal, January 2018

  • Csizmadia, Georgina; Farkas, Bianka; Spagina, Zoltán
  • Computational and Structural Biotechnology Journal, Vol. 16
  • DOI: 10.1016/j.csbj.2018.10.008

Architecture of a channel-forming O-antigen polysaccharide ABC transporter
journal, January 2018

  • Bi, Yunchen; Mann, Evan; Whitfield, Chris
  • Nature, Vol. 553, Issue 7688
  • DOI: 10.1038/nature25190

Structure of the MacAB–TolC ABC-type tripartite multidrug efflux pump
journal, May 2017

  • Fitzpatrick, Anthony W. P.; Llabrés, Salomé; Neuberger, Arthur
  • Nature Microbiology, Vol. 2, Issue 7
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Macrophage-derived IL-1β/NF-κB signaling mediates parenteral nutrition-associated cholestasis
journal, April 2018


A lipid gating mechanism for the channel-forming O antigen ABC transporter
journal, February 2019

  • Caffalette, Christopher A.; Corey, Robin A.; Sansom, Mark S. P.
  • Nature Communications, Vol. 10, Issue 1
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Expression and function of Abcg4 in the mouse blood-brain barrier: role in restricting the brain entry of amyloid-β peptide
journal, October 2017


Structure-function relationships in ABCG2: insights from molecular dynamics simulations and molecular docking studies
journal, November 2017

  • Ferreira, Ricardo J.; Bonito, Cátia A.; Cordeiro, M. Natália D. S.
  • Scientific Reports, Vol. 7, Issue 1
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ABCG5/G8: a structural view to pathophysiology of the hepatobiliary cholesterol secretion
journal, October 2019

  • Zein, Aiman A.; Kaur, Rupinder; Hussein, Toka O. K.
  • Biochemical Society Transactions, Vol. 47, Issue 5
  • DOI: 10.1042/bst20190130

Expression of multidrug transporter P‐glycoprotein in Pichia pastoris affects the host's methanol metabolism
journal, May 2019


3D structure of the transporter ABCG2—What's new?
journal, February 2020

  • Eckenstaler, Robert; Benndorf, Ralf A.
  • British Journal of Pharmacology, Vol. 177, Issue 7
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Biophysical Approaches Facilitate Computational Drug Discovery for ATP-Binding Cassette Proteins
journal, January 2017

  • Molinski, Steven V.; Bozóky, Zoltán; Iram, Surtaj H.
  • International Journal of Medicinal Chemistry, Vol. 2017
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Jump into a New Fold—A Homology Based Model for the ABCG2/BCRP Multidrug Transporter
journal, October 2016


Crystal structure of tripartite-type ABC transporter MacB from Acinetobacter baumannii.
journalarticle, January 2017

  • Okada, Ui; Yamashita, Eiki; Neuberger, Arthur
  • Springer Science and Business Media LLC
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X-ray diffraction reveals the intrinsic difference in the physical properties of membrane and soluble proteins.
journalarticle, January 2017

  • Robert, Xavier; Kassis-Sahyoun, Josiane; Ceres, Nicoletta
  • Springer Science and Business Media LLC
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Antibiotic Resistance Mediated by the MacB ABC Transporter Family: A Structural and Functional Perspective.
text, January 2018

  • Greene, Nicholas; Kaplan, Elise; Crow, Allister
  • Apollo - University of Cambridge Repository
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Relationship between conformation shift and disease related variation sites in ATP-binding cassette transporter proteins
journal, January 2019


ABCG2 polymorphisms in gout: insights into disease susceptibility and treatment approaches
journal, April 2017

  • Cleophas, Maartje; Joosten, Leo; Stamp, Lisa
  • Pharmacogenomics and Personalized Medicine, Vol. Volume 10
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Genes Potentially Associated with Familial Hypercholesterolemia
journal, November 2019

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  • Biomolecules, Vol. 9, Issue 12
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Disruption of the Unique ABCG-Family NBD:NBD Interface Impacts Both Drug Transport and ATP Hydrolysis
journal, January 2020

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A Newly Integrated Model for Intestinal Cholesterol Absorption and Efflux Reappraises How Plant Sterol Intake Reduces Circulating Cholesterol Levels
journal, February 2019

  • Nakano, Takanari; Inoue, Ikuo; Murakoshi, Takayuki
  • Nutrients, Vol. 11, Issue 2
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