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MyD88 TIR domain hi...
MyD88 TIR domain higher-order assembly interactions revealed by microcrystal electron diffraction and serial femtosecond crystallography
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- Clabbers, Max T. B. (author)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK)
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Holmes, Susannah (author)
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Muusse, Timothy W. (author)
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Vajjhala, Parimala R. (author)
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Thygesen, Sara J. (author)
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Malde, Alpeshkumar K. (author)
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Hunter, Dominic J. B. (author)
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Croll, Tristan (author)
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Flueckiger, Leonie (author)
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Nanson, Jeffrey D. (author)
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Rahaman, Md Habibur (author)
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Aquila, Andrew (author)
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Hunter, Mark S. (author)
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Liang, Mengning (author)
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Yoon, Chun Hong (author)
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- Zhao, Jingjing (author)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK)
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Zatsepin, Nadia A. (author)
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Abbey, Brian (author)
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Sierecki, Emma (author)
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Gambin, Yann (author)
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Stacey, Katryn J. (author)
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Darmanin, Connie (author)
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Kobe, Bostjan (author)
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- Xu, Hongyi (author)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK)
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Ve, Thomas (author)
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(creator_code:org_t)
- 2021-05-10
- 2021
- English.
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In: Nature Communications. - : Springer Science and Business Media LLC. - 2041-1723. ; 12:1
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Abstract
Subject headings
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- MyD88 and MAL are Toll-like receptor (TLR) adaptors that signal to induce pro-inflammatory cytokine production. We previously observed that the TIR domain of MAL (MALTIR) forms filaments in vitro and induces formation of crystalline higher-order assemblies of the MyD88 TIR domain (MyD88TIR). These crystals are too small for conventional X-ray crystallography, but are ideally suited to structure determination by microcrystal electron diffraction (MicroED) and serial femtosecond crystallography (SFX). Here, we present MicroED and SFX structures of the MyD88TIR assembly, which reveal a two-stranded higher-order assembly arrangement of TIR domains analogous to that seen previously for MALTIR. We demonstrate via mutagenesis that the MyD88TIR assembly interfaces are critical for TLR4 signaling in vivo, and we show that MAL promotes unidirectional assembly of MyD88TIR. Collectively, our studies provide structural and mechanistic insight into TLR signal transduction and allow a direct comparison of the MicroED and SFX techniques.
Subject headings
- NATURVETENSKAP -- Biologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Clabbers, Max T. ...
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Holmes, Susannah
-
Muusse, Timothy ...
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Vajjhala, Parima ...
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Thygesen, Sara J ...
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Malde, Alpeshkum ...
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show more...
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Hunter, Dominic ...
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Croll, Tristan
-
Flueckiger, Leon ...
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Nanson, Jeffrey ...
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Rahaman, Md Habi ...
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Aquila, Andrew
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Hunter, Mark S.
-
Liang, Mengning
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Yoon, Chun Hong
-
Zhao, Jingjing
-
Zatsepin, Nadia ...
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Abbey, Brian
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Sierecki, Emma
-
Gambin, Yann
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Stacey, Katryn J ...
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Darmanin, Connie
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Kobe, Bostjan
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Xu, Hongyi
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Ve, Thomas
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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Nature Communica ...
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Stockholm University