[English] 日本語
Yorodumi
- PDB-8bgv: Tau Paired Helical Filament from Cellular Fraction of Alzheimer's... -

+
Open data


ID or keywords:

Loading...

-
Basic information

Entry
Database: PDB / ID: 8bgv
TitleTau Paired Helical Filament from Cellular Fraction of Alzheimer's disease brain
ComponentsMicrotubule-associated protein tau
KeywordsPROTEIN FIBRIL / AMYLOID
Function / homology
Function and homology information


plus-end-directed organelle transport along microtubule / histone-dependent DNA binding / negative regulation of protein localization to mitochondrion / neurofibrillary tangle / microtubule lateral binding / axonal transport / tubulin complex / positive regulation of protein localization to synapse / negative regulation of tubulin deacetylation / phosphatidylinositol bisphosphate binding ...plus-end-directed organelle transport along microtubule / histone-dependent DNA binding / negative regulation of protein localization to mitochondrion / neurofibrillary tangle / microtubule lateral binding / axonal transport / tubulin complex / positive regulation of protein localization to synapse / negative regulation of tubulin deacetylation / phosphatidylinositol bisphosphate binding / generation of neurons / rRNA metabolic process / axonal transport of mitochondrion / regulation of mitochondrial fission / axon development / regulation of chromosome organization / central nervous system neuron development / intracellular distribution of mitochondria / minor groove of adenine-thymine-rich DNA binding / lipoprotein particle binding / microtubule polymerization / negative regulation of mitochondrial membrane potential / regulation of microtubule polymerization / dynactin binding / main axon / apolipoprotein binding / protein polymerization / axolemma / glial cell projection / Caspase-mediated cleavage of cytoskeletal proteins / regulation of microtubule polymerization or depolymerization / negative regulation of mitochondrial fission / neurofibrillary tangle assembly / positive regulation of axon extension / regulation of cellular response to heat / synapse assembly / Activation of AMPK downstream of NMDARs / regulation of long-term synaptic depression / positive regulation of superoxide anion generation / positive regulation of protein localization / cellular response to brain-derived neurotrophic factor stimulus / supramolecular fiber organization / cytoplasmic microtubule organization / somatodendritic compartment / regulation of calcium-mediated signaling / axon cytoplasm / positive regulation of microtubule polymerization / astrocyte activation / phosphatidylinositol binding / nuclear periphery / stress granule assembly / protein phosphatase 2A binding / regulation of microtubule cytoskeleton organization / cellular response to reactive oxygen species / microglial cell activation / Hsp90 protein binding / cellular response to nerve growth factor stimulus / synapse organization / protein homooligomerization / PKR-mediated signaling / regulation of synaptic plasticity / response to lead ion / SH3 domain binding / microtubule cytoskeleton organization / memory / cytoplasmic ribonucleoprotein granule / neuron projection development / cell-cell signaling / single-stranded DNA binding / protein-folding chaperone binding / cellular response to heat / microtubule cytoskeleton / actin binding / growth cone / cell body / double-stranded DNA binding / protein-macromolecule adaptor activity / sequence-specific DNA binding / microtubule binding / dendritic spine / amyloid fibril formation / microtubule / learning or memory / neuron projection / regulation of autophagy / membrane raft / axon / negative regulation of gene expression / neuronal cell body / DNA damage response / dendrite / protein kinase binding / enzyme binding / mitochondrion / DNA binding / RNA binding / extracellular region / identical protein binding / nucleus / plasma membrane
Similarity search - Function
Microtubule-associated protein Tau / Microtubule associated protein, tubulin-binding repeat / Tau and MAP protein, tubulin-binding repeat / Tau and MAP proteins tubulin-binding repeat signature. / Tau and MAP proteins tubulin-binding repeat profile. / :
Similarity search - Domain/homology
Microtubule-associated protein tau
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / helical reconstruction / cryo EM / Resolution: 3.27 Å
AuthorsBehr, T.S. / Ryskeldi-Falcon, B.
Funding support United Kingdom, 1items
OrganizationGrant numberCountry
Medical Research Council (MRC, United Kingdom)MC_UP_1201/25 United Kingdom
CitationJournal: bioRxiv / Year: 2023
Title: Tau filaments are tethered within brain extracellular vesicles in Alzheimer's disease.
Authors: S L Fowler / T S Behr / E Turkes / P Maglio Cauhy / M S Foiani / A Schaler / G Crowley / S Bez / E Ficulle / E Tsefou / D P O'Brien / R Fischer / B Geary / P Gaur / C Miller / P D'Acunzo / E ...Authors: S L Fowler / T S Behr / E Turkes / P Maglio Cauhy / M S Foiani / A Schaler / G Crowley / S Bez / E Ficulle / E Tsefou / D P O'Brien / R Fischer / B Geary / P Gaur / C Miller / P D'Acunzo / E Levy / K E Duff / B Ryskeldi-Falcon
Abstract: The abnormal assembly of tau protein in neurons is the pathological hallmark of multiple neurodegenerative diseases, including Alzheimer's disease (AD). In addition, assembled tau associates with ...The abnormal assembly of tau protein in neurons is the pathological hallmark of multiple neurodegenerative diseases, including Alzheimer's disease (AD). In addition, assembled tau associates with extracellular vesicles (EVs) in the central nervous system of patients with AD, which is linked to its clearance and prion-like propagation between neurons. However, the identities of the assembled tau species and the EVs, as well as how they associate, are not known. Here, we combined quantitative mass spectrometry, cryo-electron tomography and single-particle cryo-electron microscopy to study brain EVs from AD patients. We found filaments of truncated tau enclosed within EVs enriched in endo-lysosomal proteins. We observed multiple filament interactions, including with molecules that tethered filaments to the EV limiting membrane, suggesting selective packaging. Our findings will guide studies into the molecular mechanisms of EV-mediated secretion of assembled tau and inform the targeting of EV-associated tau as potential therapeutic and biomarker strategies for AD.
History
DepositionOct 28, 2022Deposition site: PDBE / Processing site: PDBE
Revision 1.0May 24, 2023Provider: repository / Type: Initial release
Revision 1.1Jul 24, 2024Group: Data collection / Category: chem_comp_atom / chem_comp_bond / em_admin / Item: _em_admin.last_update

-
Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

-
Assembly

Deposited unit
n: Microtubule-associated protein tau
A: Microtubule-associated protein tau
B: Microtubule-associated protein tau
C: Microtubule-associated protein tau
D: Microtubule-associated protein tau
E: Microtubule-associated protein tau
F: Microtubule-associated protein tau


Theoretical massNumber of molelcules
Total (without water)321,4397
Polymers321,4397
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: electron microscopy
TypeNameSymmetry operationNumber
identity operation1_5551
Noncrystallographic symmetry (NCS)NCS oper:
IDCodeMatrixVector
1given(1), (1), (1)
2given(0.999271, -0.038179), (0.038179, 0.999271), (1)5.02958, -4.84109, -9.652
3given(0.999818, -0.019093), (0.019093, 0.999818), (1)2.49168, -2.44456, -4.826
4given(-0.999954, 0.009547), (-0.009547, -0.999954), (1)257.30002, 259.76825, -2.413
5given(-0.999954, -0.009547), (0.009547, -0.999954), (1)259.76825, 257.30002, 2.413
6given(0.999818, 0.019093), (-0.019093, 0.999818), (1)-2.44456, 2.49168, 4.826
7given(-0.99959, -0.028637), (0.028637, -0.99959), (1)262.1889, 254.7851, 7.239

-
Components

#1: Protein
Microtubule-associated protein tau / Neurofibrillary tangle protein / Paired helical filament-tau / PHF-tau


Mass: 45919.871 Da / Num. of mol.: 7 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / Organ: Brain / Tissue: Brain / References: UniProt: P10636

-
Experimental details

-
Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: FILAMENT / 3D reconstruction method: helical reconstruction

-
Sample preparation

ComponentName: Tau Paired Helical Filament / Type: TISSUE
Details: Tau Paired Helical Filament extracted from the cellular fraction of the brain of an individual who had Alzheimer's disease.
Entity ID: all / Source: NATURAL
Source (natural)Organism: Homo sapiens (human) / Cellular location: Cytoplasm / Organ: Brain / Organelle: Cytoplasm / Tissue: Brain
Buffer solutionpH: 7.4
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

-
Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 2400 nm / Nominal defocus min: 1000 nm
Image recordingElectron dose: 40 e/Å2 / Film or detector model: GATAN K3 (6k x 4k)

-
Processing

SoftwareName: REFMAC / Version: 5.8.0387 / Classification: refinement
CTF correctionType: NONE
Helical symmertyAngular rotation/subunit: 174.454 ° / Axial rise/subunit: 2.413 Å / Axial symmetry: C1
3D reconstructionResolution: 3.27 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 9347 / Symmetry type: HELICAL
RefinementResolution: 3.27→155.12 Å / Cor.coef. Fo:Fc: 0.779 / SU B: 27.188 / SU ML: 0.42 / ESU R: 0.173
Stereochemistry target values: MAXIMUM LIKELIHOOD WITH PHASES
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflection
Rwork0.47739 --
obs0.47739 50303 100 %
Solvent computationSolvent model: PARAMETERS FOR MASK CACLULATION
Displacement parametersBiso mean: 66.433 Å2
Refinement stepCycle: 1 / Total: 587
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
ELECTRON MICROSCOPYr_bond_refined_d0.0070.012596
ELECTRON MICROSCOPYr_bond_other_d00.016592
ELECTRON MICROSCOPYr_angle_refined_deg1.5381.657797
ELECTRON MICROSCOPYr_angle_other_deg0.61.6021378
ELECTRON MICROSCOPYr_dihedral_angle_1_deg11.099576
ELECTRON MICROSCOPYr_dihedral_angle_2_deg4.27552
ELECTRON MICROSCOPYr_dihedral_angle_3_deg10.62310118
ELECTRON MICROSCOPYr_dihedral_angle_4_deg
ELECTRON MICROSCOPYr_chiral_restr0.070.289
ELECTRON MICROSCOPYr_gen_planes_refined0.0070.02671
ELECTRON MICROSCOPYr_gen_planes_other0.0030.02117
ELECTRON MICROSCOPYr_nbd_refined
ELECTRON MICROSCOPYr_nbd_other
ELECTRON MICROSCOPYr_nbtor_refined
ELECTRON MICROSCOPYr_nbtor_other
ELECTRON MICROSCOPYr_xyhbond_nbd_refined
ELECTRON MICROSCOPYr_xyhbond_nbd_other
ELECTRON MICROSCOPYr_metal_ion_refined
ELECTRON MICROSCOPYr_metal_ion_other
ELECTRON MICROSCOPYr_symmetry_vdw_refined
ELECTRON MICROSCOPYr_symmetry_vdw_other
ELECTRON MICROSCOPYr_symmetry_hbond_refined
ELECTRON MICROSCOPYr_symmetry_hbond_other
ELECTRON MICROSCOPYr_symmetry_metal_ion_refined
ELECTRON MICROSCOPYr_symmetry_metal_ion_other
ELECTRON MICROSCOPYr_mcbond_it7.4225.457307
ELECTRON MICROSCOPYr_mcbond_other7.4185.457307
ELECTRON MICROSCOPYr_mcangle_it12.058.149382
ELECTRON MICROSCOPYr_mcangle_other12.0358.207383
ELECTRON MICROSCOPYr_scbond_it10.2027.42289
ELECTRON MICROSCOPYr_scbond_other10.1837.35288
ELECTRON MICROSCOPYr_scangle_it
ELECTRON MICROSCOPYr_scangle_other17.61710.326416
ELECTRON MICROSCOPYr_long_range_B_refined22.87164.13571
ELECTRON MICROSCOPYr_long_range_B_other22.99365.12572
ELECTRON MICROSCOPYr_rigid_bond_restr
ELECTRON MICROSCOPYr_sphericity_free
ELECTRON MICROSCOPYr_sphericity_bonded
LS refinement shellResolution: 3.273→3.358 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0 0 -
Rwork0.751 3745 -
obs--100 %

+
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