- PDB-7beq: MicroED structure of the MyD88 TIR domain higher-order assembly -
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Basic information
Entry
Database: PDB / ID: 7beq
Title
MicroED structure of the MyD88 TIR domain higher-order assembly
Components
Myeloid differentiation primary response protein MyD88
Keywords
PROTEIN BINDING / MicroED / MyD88 / TIR domain / higher-order assembly
Function / homology
Function and homology information
regulation of chemokine (C-X-C motif) ligand 1 production / Toll binding / MyD88 deficiency (TLR5) / regulation of chemokine (C-X-C motif) ligand 2 production / ATP-dependent histone chaperone activity / neutrophil-mediated killing of bacterium / induced systemic resistance / leukocyte activation involved in inflammatory response / TIR domain binding / response to molecule of fungal origin ...regulation of chemokine (C-X-C motif) ligand 1 production / Toll binding / MyD88 deficiency (TLR5) / regulation of chemokine (C-X-C motif) ligand 2 production / ATP-dependent histone chaperone activity / neutrophil-mediated killing of bacterium / induced systemic resistance / leukocyte activation involved in inflammatory response / TIR domain binding / response to molecule of fungal origin / toll-like receptor 8 signaling pathway / positive regulation of lymphocyte proliferation / response to peptidoglycan / positive regulation of interleukin-23 production / establishment of endothelial intestinal barrier / IRAK4 deficiency (TLR5) / regulation of neutrophil migration / cellular response to oxidised low-density lipoprotein particle stimulus / MyD88 dependent cascade initiated on endosome / TRAF6 mediated induction of NFkB and MAP kinases upon TLR7/8 or 9 activation / MyD88 cascade initiated on plasma membrane / Toll signaling pathway / Toll-like receptor binding / DEx/H-box helicases activate type I IFN and inflammatory cytokines production / neutrophil activation involved in immune response / interleukin-33-mediated signaling pathway / microglia differentiation / RIP-mediated NFkB activation via ZBP1 / positive regulation of cytokine production involved in inflammatory response / death receptor binding / interleukin-1 receptor binding / MyD88 deficiency (TLR2/4) / positive regulation of macrophage cytokine production / MyD88-dependent toll-like receptor signaling pathway / interleukin-1-mediated signaling pathway / IRAK4 deficiency (TLR2/4) / 3'-UTR-mediated mRNA stabilization / skin development / MyD88:MAL(TIRAP) cascade initiated on plasma membrane / toll-like receptor 4 signaling pathway / positive regulation of NLRP3 inflammasome complex assembly / extrinsic component of plasma membrane / type I interferon-mediated signaling pathway / defense response to protozoan / positive regulation of interleukin-17 production / response to amine / immunoglobulin mediated immune response / positive regulation of type I interferon production / response to amino acid / phagocytosis / signaling adaptor activity / positive regulation of chemokine production / JNK cascade / lipopolysaccharide-mediated signaling pathway / extrinsic component of cytoplasmic side of plasma membrane / p75NTR recruits signalling complexes / TRAF6 mediated IRF7 activation in TLR7/8 or 9 signaling / response to interleukin-1 / positive regulation of interleukin-1 beta production / positive regulation of interleukin-8 production / positive regulation of JNK cascade / positive regulation of smooth muscle cell proliferation / response to organic cyclic compound / Interleukin-1 signaling / cellular response to mechanical stimulus / : / positive regulation of interleukin-6 production / positive regulation of tumor necrosis factor production / PIP3 activates AKT signaling / positive regulation of NF-kappaB transcription factor activity / gene expression / ER-Phagosome pathway / regulation of inflammatory response / PI5P, PP2A and IER3 Regulate PI3K/AKT Signaling / cellular response to lipopolysaccharide / positive regulation of canonical NF-kappaB signal transduction / response to ethanol / defense response to virus / molecular adaptor activity / cell surface receptor signaling pathway / endosome membrane / defense response to Gram-positive bacterium / defense response to bacterium / innate immune response / apoptotic process / positive regulation of gene expression / cell surface / signal transduction / positive regulation of transcription by RNA polymerase II / protein-containing complex / identical protein binding / nucleus / plasma membrane / cytoplasm / cytosol Similarity search - Function
Myeloid differentiation primary response protein MyD88 / MyD88, death domain / TIR domain / Death domain profile. / DEATH domain, found in proteins involved in cell death (apoptosis). / Death domain / Death domain / Toll - interleukin 1 - resistance / TIR domain profile. / Toll/interleukin-1 receptor homology (TIR) domain ...Myeloid differentiation primary response protein MyD88 / MyD88, death domain / TIR domain / Death domain profile. / DEATH domain, found in proteins involved in cell death (apoptosis). / Death domain / Death domain / Toll - interleukin 1 - resistance / TIR domain profile. / Toll/interleukin-1 receptor homology (TIR) domain / Toll/interleukin-1 receptor homology (TIR) domain superfamily / Death-like domain superfamily Similarity search - Domain/homology
Journal: Nat Commun / Year: 2021 Title: MyD88 TIR domain higher-order assembly interactions revealed by microcrystal electron diffraction and serial femtosecond crystallography. Authors: Max T B Clabbers / Susannah Holmes / Timothy W Muusse / Parimala R Vajjhala / Sara J Thygesen / Alpeshkumar K Malde / Dominic J B Hunter / Tristan I Croll / Leonie Flueckiger / Jeffrey D ...Authors: Max T B Clabbers / Susannah Holmes / Timothy W Muusse / Parimala R Vajjhala / Sara J Thygesen / Alpeshkumar K Malde / Dominic J B Hunter / Tristan I Croll / Leonie Flueckiger / Jeffrey D Nanson / Md Habibur Rahaman / Andrew Aquila / Mark S Hunter / Mengning Liang / Chun Hong Yoon / Jingjing Zhao / Nadia A Zatsepin / Brian Abbey / Emma Sierecki / Yann Gambin / Katryn J Stacey / Connie Darmanin / Bostjan Kobe / Hongyi Xu / Thomas Ve / Abstract: 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 (MAL) forms filaments in vitro and ...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 (MAL) forms filaments in vitro and induces formation of crystalline higher-order assemblies of the MyD88 TIR domain (MyD88). 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 MyD88 assembly, which reveal a two-stranded higher-order assembly arrangement of TIR domains analogous to that seen previously for MAL. We demonstrate via mutagenesis that the MyD88 assembly interfaces are critical for TLR4 signaling in vivo, and we show that MAL promotes unidirectional assembly of MyD88. Collectively, our studies provide structural and mechanistic insight into TLR signal transduction and allow a direct comparison of the MicroED and SFX techniques.
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