[English] 日本語
Yorodumi
- EMDB-39300: hTLR3/minibinder 7.7 -

+
Open data


ID or keywords:

Loading...

-
Basic information

Entry
Database: EMDB / ID: EMD-39300
TitlehTLR3/minibinder 7.7
Map data
Sample
  • Complex: hTLR3/minibinder 8.6 complex
    • Protein or peptide: Toll-like receptor 3
    • Protein or peptide: minibinder 7.7
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
KeywordsProtein design / binder / Innate immune / TLR / DE NOVO PROTEIN
Function / homology
Function and homology information


TLR3 deficiency - HSE / response to dsRNA / UNC93B1 deficiency - HSE / TICAM1 deficiency - HSE / type III interferon production / positive regulation of type III interferon production / TRAF3 deficiency - HSE / regulation of dendritic cell cytokine production / I-kappaB phosphorylation / Toll Like Receptor 3 (TLR3) Cascade ...TLR3 deficiency - HSE / response to dsRNA / UNC93B1 deficiency - HSE / TICAM1 deficiency - HSE / type III interferon production / positive regulation of type III interferon production / TRAF3 deficiency - HSE / regulation of dendritic cell cytokine production / I-kappaB phosphorylation / Toll Like Receptor 3 (TLR3) Cascade / TLR3-mediated TICAM1-dependent programmed cell death / inflammatory response to wounding / activation of NF-kappaB-inducing kinase activity / toll-like receptor 3 signaling pathway / detection of virus / necroptotic signaling pathway / RIP-mediated NFkB activation via ZBP1 / hyperosmotic response / endolysosome membrane / positive regulation of cytokine production involved in inflammatory response / Trafficking and processing of endosomal TLR / positive regulation of macrophage cytokine production / toll-like receptor signaling pathway / pattern recognition receptor activity / cellular response to exogenous dsRNA / RSV-host interactions / response to exogenous dsRNA / negative regulation of osteoclast differentiation / ubiquitin-like protein ligase binding / positive regulation of interferon-alpha production / cellular response to interferon-beta / positive regulation of chemokine production / extrinsic apoptotic signaling pathway / JNK cascade / positive regulation of interleukin-12 production / Regulation of TBK1, IKKε-mediated activation of IRF3, IRF7 upon TLR3 ligation / extracellular matrix / TICAM1,TRAF6-dependent induction of TAK1 complex / TICAM1-dependent activation of IRF3/IRF7 / positive regulation of interferon-beta production / TICAM1, RIP1-mediated IKK complex recruitment / positive regulation of interleukin-8 production / positive regulation of JNK cascade / microglial cell activation / positive regulation of non-canonical NF-kappaB signal transduction / cellular response to virus / cellular response to type II interferon / positive regulation of interleukin-6 production / positive regulation of type II interferon production / cellular response to mechanical stimulus / positive regulation of inflammatory response / male gonad development / positive regulation of angiogenesis / positive regulation of tumor necrosis factor production / transmembrane signaling receptor activity / cellular response to xenobiotic stimulus / double-stranded RNA binding / signaling receptor activity / defense response to virus / positive regulation of canonical NF-kappaB signal transduction / early endosome / endosome membrane / defense response to bacterium / positive regulation of apoptotic process / Golgi membrane / lysosomal membrane / innate immune response / positive regulation of gene expression / endoplasmic reticulum membrane / signal transduction / positive regulation of transcription by RNA polymerase II / extracellular space / identical protein binding / membrane / plasma membrane / cytoplasm
Similarity search - Function
Toll-like receptor 3 trans-membrane domain / Toll-like receptor 3 trans-membrane domain / TIR domain / Leucine Rich repeat / Cysteine-rich flanking region, C-terminal / Leucine rich repeat C-terminal domain / Toll - interleukin 1 - resistance / TIR domain profile. / Leucine-rich repeat, SDS22-like subfamily / Toll/interleukin-1 receptor homology (TIR) domain ...Toll-like receptor 3 trans-membrane domain / Toll-like receptor 3 trans-membrane domain / TIR domain / Leucine Rich repeat / Cysteine-rich flanking region, C-terminal / Leucine rich repeat C-terminal domain / Toll - interleukin 1 - resistance / TIR domain profile. / Leucine-rich repeat, SDS22-like subfamily / Toll/interleukin-1 receptor homology (TIR) domain / Toll/interleukin-1 receptor homology (TIR) domain superfamily / Leucine rich repeat / Leucine-rich repeat, typical subtype / Leucine-rich repeats, typical (most populated) subfamily / Leucine-rich repeat profile. / Leucine-rich repeat / Leucine-rich repeat domain superfamily
Similarity search - Domain/homology
Toll-like receptor 3
Similarity search - Component
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 2.88 Å
AuthorsKim H
Funding support1 items
OrganizationGrant numberCountry
Other government
CitationJournal: Nat Commun / Year: 2025
Title: De novo design of protein minibinder agonists of TLR3.
Authors: Chloe S Adams / Hyojin Kim / Abigail E Burtner / Dong Sun Lee / Craig Dobbins / Cameron Criswell / Brian Coventry / Adri Tran-Pearson / Ho Min Kim / Neil P King /
Abstract: Toll-like Receptor 3 (TLR3) is a pattern recognition receptor that initiates antiviral immune responses upon binding double-stranded RNA (dsRNA). Several nucleic acid-based TLR3 agonists have been ...Toll-like Receptor 3 (TLR3) is a pattern recognition receptor that initiates antiviral immune responses upon binding double-stranded RNA (dsRNA). Several nucleic acid-based TLR3 agonists have been explored clinically as vaccine adjuvants in cancer and infectious disease, but present substantial manufacturing and formulation challenges. Here, we use computational protein design to create novel miniproteins that bind to human TLR3 with nanomolar affinities. Cryo-EM structures of two minibinders in complex with TLR3 reveal that they bind the target as designed, although one partially unfolds due to steric competition with a nearby N-linked glycan. Multivalent forms of both minibinders induce NF-κB signaling in TLR3-expressing cell lines, demonstrating that they may have therapeutically relevant biological activity. Our work provides a foundation for the development of specific, stable, and easy-to-formulate protein-based agonists of TLRs and other pattern recognition receptors.
History
DepositionFeb 28, 2024-
Header (metadata) releaseFeb 5, 2025-
Map releaseFeb 5, 2025-
UpdateJun 4, 2025-
Current statusJun 4, 2025Processing site: PDBj / Status: Released

-
Structure visualization

Supplemental images

emd_39300.png

Downloads & links

-
Map

FileDownload / File: emd_39300.map.gz / Format: CCP4 / Size: 178 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.66 Å/pix.
x 360 pix.
= 239.04 Å		0.66 Å/pix.
x 360 pix.
= 239.04 Å		0.66 Å/pix.
x 360 pix.
= 239.04 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.664 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.2
Minimum - Maximum-0.6647029 - 1.037202
Average (Standard dev.)-0.00016368886 (±0.021930436)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions360360360
Spacing360360360
CellA=B=C: 239.04 Å
α=β=γ: 90.0 °

-
Supplemental data

-
Mask #1

Fileemd_39300_msk_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

-
Half map: #2

Fileemd_39300_half_map_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

-
Half map: #1

Fileemd_39300_half_map_2.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

-
Sample components

-
Entire : hTLR3/minibinder 8.6 complex

EntireName: hTLR3/minibinder 8.6 complex
Components
  • Complex: hTLR3/minibinder 8.6 complex
    • Protein or peptide: Toll-like receptor 3
    • Protein or peptide: minibinder 7.7
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose

-
Supramolecule #1: hTLR3/minibinder 8.6 complex

SupramoleculeName: hTLR3/minibinder 8.6 complex / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#2
Source (natural)Organism: Homo sapiens (human)

-
Macromolecule #1: Toll-like receptor 3

MacromoleculeName: Toll-like receptor 3 / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 76.672383 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: KCTVSHEVAD CSHLKLTQVP DDLPTNITVL NLTHNQLRRL PAANFTRYSQ LTSLDVGFNT ISKLEPELCQ KLPMLKVLNL QHNELSQLS DKTFAFCTNL TELHLMSNSI QKIKNNPFVK QKNLITLDLS HNGLSSTKLG TQVQLENLQE LLLSNNKIQA L KSEELDIF ...String:
KCTVSHEVAD CSHLKLTQVP DDLPTNITVL NLTHNQLRRL PAANFTRYSQ LTSLDVGFNT ISKLEPELCQ KLPMLKVLNL QHNELSQLS DKTFAFCTNL TELHLMSNSI QKIKNNPFVK QKNLITLDLS HNGLSSTKLG TQVQLENLQE LLLSNNKIQA L KSEELDIF ANSSLKKLEL SSNQIKEFSP GCFHAIGRLF GLFLNNVQLG PSLTEKLCLE LANTSIRNLS LSNSQLSTTS NT TFLGLKW TNLTMLDLSY NNLNVVGNDS FAWLPQLEYF FLEYNNIQHL FSHSLHGLFN VRYLNLKRSF TKQSISLASL PKI DDFSFQ WLKCLEHLNM EDNDIPGIKS NMFTGLINLK YLSLSNSFTS LRTLTNETFV SLAHSPLHIL NLTKNKISKI ESDA FSWLG HLEVLDLGLN EIGQELTGQE WRGLENIFEI YLSYNKYLQL TRNSFALVPS LQRLMLRRVA LKNVDSSPSP FQPLR NLTI LDLSNNNIAN INDDMLEGLE KLEILDLQHN NLARLWKHAN PGGPIYFLKG LSHLHILNLE SNGFDEIPVE VFKDLF ELK IIDLGLNNLN TLPASVFNNQ VSLKSLNLQK NLITSVEKKV FGPAFRNLTE LDMRFNPFDC TCESIAWFVN WINETHT NI PELSSHYLCN TPPHYHGFPV RLFDTSSCKD SA

UniProtKB: Toll-like receptor 3

-
Macromolecule #2: minibinder 7.7

MacromoleculeName: minibinder 7.7 / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 6.663473 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString:
SAMEYYVKEL LRTAEYAREA GDPEYVRKAL EKAELVARIL HNEELKEEIR EVEEEL

-
Macromolecule #4: 2-acetamido-2-deoxy-beta-D-glucopyranose

MacromoleculeName: 2-acetamido-2-deoxy-beta-D-glucopyranose / type: ligand / ID: 4 / Number of copies: 6 / Formula: NAG
Molecular weightTheoretical: 221.208 Da
Chemical component information

ChemComp-NAG:
2-acetamido-2-deoxy-beta-D-glucopyranose

-
Experimental details

-
Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

-
Sample preparation

BufferpH: 8
VitrificationCryogen name: ETHANE

-
Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Average electron dose: 69.8 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: OTHER / Imaging mode: BRIGHT FIELD / Nominal defocus max: 20.0 µm / Nominal defocus min: 8.0 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

+
Image processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Startup modelType of model: INSILICO MODEL
Final reconstructionResolution.type: BY AUTHOR / Resolution: 2.88 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 739755
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD
FSC plot (resolution estimation)

+
About Yorodumi

-
News

-
Feb 9, 2022. New format data for meta-information of EMDB entries

New format data for meta-information of EMDB entries

  • Version 3 of the EMDB header file is now the official format.
  • The previous official version 1.9 will be removed from the archive.

Related info.:EMDB header

External links:wwPDB to switch to version 3 of the EMDB data model

-
Aug 12, 2020. Covid-19 info

Covid-19 info

URL: https://pdbj.org/emnavi/covid19.php

New page: Covid-19 featured information page in EM Navigator.

Related info.:Covid-19 info / Mar 5, 2020. Novel coronavirus structure data

+
Mar 5, 2020. Novel coronavirus structure data

Novel coronavirus structure data

Related info.:Yorodumi Speices / Aug 12, 2020. Covid-19 info

External links:COVID-19 featured content - PDBj / Molecule of the Month (242)：Coronavirus Proteases

+
Jan 31, 2019. EMDB accession codes are about to change! (news from PDBe EMDB page)

EMDB accession codes are about to change! (news from PDBe EMDB page)

  • The allocation of 4 digits for EMDB accession codes will soon come to an end. Whilst these codes will remain in use, new EMDB accession codes will include an additional digit and will expand incrementally as the available range of codes is exhausted. The current 4-digit format prefixed with “EMD-” (i.e. EMD-XXXX) will advance to a 5-digit format (i.e. EMD-XXXXX), and so on. It is currently estimated that the 4-digit codes will be depleted around Spring 2019, at which point the 5-digit format will come into force.
  • The EM Navigator/Yorodumi systems omit the EMD- prefix.

Related info.:Q: What is EMD? / ID/Accession-code notation in Yorodumi/EM Navigator

External links:EMDB Accession Codes are Changing Soon! / Contact to PDBj

+
Jul 12, 2017. Major update of PDB

Major update of PDB

  • wwPDB released updated PDB data conforming to the new PDBx/mmCIF dictionary.
  • This is a major update changing the version number from 4 to 5, and with Remediation, in which all the entries are updated.
  • In this update, many items about electron microscopy experimental information are reorganized (e.g. em_software).
  • Now, EM Navigator and Yorodumi are based on the updated data.

External links:wwPDB Remediation / Enriched Model Files Conforming to OneDep Data Standards Now Available in the PDB FTP Archive

-
Yorodumi

Thousand views of thousand structures

  • Yorodumi is a browser for structure data from EMDB, PDB, SASBDB, etc.
  • This page is also the successor to EM Navigator detail page, and also detail information page/front-end page for Omokage search.
  • The word "yorodu" (or yorozu) is an old Japanese word meaning "ten thousand". "mi" (miru) is to see.

Related info.:EMDB / PDB / SASBDB / Comparison of 3 databanks / Yorodumi Search / Aug 31, 2016. New EM Navigator & Yorodumi / Yorodumi Papers / Jmol/JSmol / Function and homology information / Changes in new EM Navigator and Yorodumi

Read more