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- EMDB-8095: Cryo EM density of microtubule assembled from human TUBB3-D417H mutant -

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Basic information

Entry
Database: EMDB / ID: EMD-8095
TitleCryo EM density of microtubule assembled from human TUBB3-D417H mutant
Map dataNone
Sample
  • Complex: Microtubule assembled from recombinant human tubulin beta-3 D417H mutant decorated with kinesin
    • Protein or peptide: Tubulin alpha-1B chain
    • Protein or peptide: Tubulin beta-3 chain
  • Ligand: GUANOSINE-5'-TRIPHOSPHATE
  • Ligand: MAGNESIUM ION
  • Ligand: GUANOSINE-5'-DIPHOSPHATE
Keywordshuman / microtubules / mutant tubulin / hydrolysis / STRUCTURAL PROTEIN
Function / homology
Function and homology information


netrin receptor binding / Post-chaperonin tubulin folding pathway / dorsal root ganglion development / Microtubule-dependent trafficking of connexons from Golgi to the plasma membrane / Cilium Assembly / Carboxyterminal post-translational modifications of tubulin / Sealing of the nuclear envelope (NE) by ESCRT-III / Intraflagellar transport / cytoskeleton-dependent intracellular transport / Formation of tubulin folding intermediates by CCT/TriC ...netrin receptor binding / Post-chaperonin tubulin folding pathway / dorsal root ganglion development / Microtubule-dependent trafficking of connexons from Golgi to the plasma membrane / Cilium Assembly / Carboxyterminal post-translational modifications of tubulin / Sealing of the nuclear envelope (NE) by ESCRT-III / Intraflagellar transport / cytoskeleton-dependent intracellular transport / Formation of tubulin folding intermediates by CCT/TriC / COPI-independent Golgi-to-ER retrograde traffic / Gap junction assembly / Prefoldin mediated transfer of substrate to CCT/TriC / Kinesins / Assembly and cell surface presentation of NMDA receptors / COPI-dependent Golgi-to-ER retrograde traffic / intercellular bridge / cytoplasmic microtubule / Recycling pathway of L1 / microtubule-based process / RHOH GTPase cycle / RHO GTPases activate IQGAPs / cellular response to interleukin-4 / Hedgehog 'off' state / COPI-mediated anterograde transport / Activation of AMPK downstream of NMDARs / Mitotic Prometaphase / EML4 and NUDC in mitotic spindle formation / Recruitment of NuMA to mitotic centrosomes / HSP90 chaperone cycle for steroid hormone receptors (SHR) in the presence of ligand / MHC class II antigen presentation / Resolution of Sister Chromatid Cohesion / filopodium / axon guidance / cell periphery / Translocation of SLC2A4 (GLUT4) to the plasma membrane / RHO GTPases Activate Formins / peptide binding / PKR-mediated signaling / mitotic spindle / structural constituent of cytoskeleton / microtubule cytoskeleton organization / HCMV Early Events / Aggrephagy / Separation of Sister Chromatids / The role of GTSE1 in G2/M progression after G2 checkpoint / microtubule cytoskeleton / double-stranded RNA binding / lamellipodium / mitotic cell cycle / growth cone / Hydrolases; Acting on acid anhydrides; Acting on GTP to facilitate cellular and subcellular movement / microtubule / axon / cell division / GTPase activity / neuronal cell body / ubiquitin protein ligase binding / dendrite / GTP binding / structural molecule activity / extracellular exosome / nucleus / metal ion binding / cytoplasm
Similarity search - Function
Alpha tubulin / Tubulin-beta mRNA autoregulation signal. / Beta tubulin, autoregulation binding site / Beta tubulin / Tubulin / Tubulin, C-terminal / Tubulin C-terminal domain / Tubulin, conserved site / Tubulin subunits alpha, beta, and gamma signature. / Tubulin/FtsZ family, C-terminal domain ...Alpha tubulin / Tubulin-beta mRNA autoregulation signal. / Beta tubulin, autoregulation binding site / Beta tubulin / Tubulin / Tubulin, C-terminal / Tubulin C-terminal domain / Tubulin, conserved site / Tubulin subunits alpha, beta, and gamma signature. / Tubulin/FtsZ family, C-terminal domain / Tubulin/FtsZ-like, C-terminal domain / Tubulin/FtsZ, C-terminal / Tubulin/FtsZ, 2-layer sandwich domain / Tubulin/FtsZ family, GTPase domain / Tubulin/FtsZ family, GTPase domain / Tubulin/FtsZ, GTPase domain / Tubulin/FtsZ, GTPase domain superfamily
Similarity search - Domain/homology
Tubulin alpha-1B chain / Tubulin beta-3 chain
Similarity search - Component
Biological speciesHomo sapiens (human)
Methodhelical reconstruction / cryo EM / Resolution: 3.7 Å
AuthorsTi SC / Pamula MC / Howes SC / Duellberg C / Cade NI / Kleiner RE / Forth S / Surrey T / Nogales E / Kapoor TM
Funding support United States, 2 items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)GM65933 United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)GM051487 United States
CitationJournal: Dev Cell / Year: 2016
Title: Mutations in Human Tubulin Proximal to the Kinesin-Binding Site Alter Dynamic Instability at Microtubule Plus- and Minus-Ends.
Authors: Shih-Chieh Ti / Melissa C Pamula / Stuart C Howes / Christian Duellberg / Nicholas I Cade / Ralph E Kleiner / Scott Forth / Thomas Surrey / Eva Nogales / Tarun M Kapoor /
Abstract: The assembly of microtubule-based cellular structures depends on regulated tubulin polymerization and directional transport. Here, we purify and characterize tubulin heterodimers that have human β- ...The assembly of microtubule-based cellular structures depends on regulated tubulin polymerization and directional transport. Here, we purify and characterize tubulin heterodimers that have human β-tubulin isotype III (TUBB3), as well as heterodimers with one of two β-tubulin mutations (D417H or R262H). Both point mutations are proximal to the kinesin-binding site and have been linked to an ocular motility disorder in humans. Compared to wild-type, microtubules with these mutations have decreased catastrophe frequencies and increased average lifetimes of plus- and minus-end-stabilizing caps. Importantly, the D417H mutation does not alter microtubule lattice structure or Mal3 binding to growing filaments. Instead, this mutation reduces the affinity of tubulin for TOG domains and colchicine, suggesting that the distribution of tubulin heterodimer conformations is changed. Together, our findings reveal how residues on the surface of microtubules, distal from the GTP-hydrolysis site and inter-subunit contacts, can alter polymerization dynamics at the plus- and minus-ends of microtubules.
History
DepositionMar 1, 2016-
Header (metadata) releaseApr 20, 2016-
Map releaseApr 20, 2016-
UpdateMar 6, 2024-
Current statusMar 6, 2024Processing site: RCSB / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 6.5
  • Imaged by UCSF Chimera
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  • Surface view colored by cylindrical radius
  • Surface level: 6.5
  • Imaged by UCSF Chimera
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  • Surface view with fitted model
  • Atomic models: PDB-5ij9
  • Surface level: 6.5
  • Imaged by UCSF Chimera
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  • Simplified surface model + fitted atomic model
  • Atomic modelsPDB-5ij9
  • Imaged by Jmol
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Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

emd_8095.png

Downloads & links

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Map

FileDownload / File: emd_8095.map.gz / Format: CCP4 / Size: 512 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationNone
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.32 Å/pix.
x 512 pix.
= 675.84 Å		1.32 Å/pix.
x 512 pix.
= 675.84 Å		1.32 Å/pix.
x 512 pix.
= 675.84 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.32 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 6.5 / Movie #1: 6.5
Minimum - Maximum-16.057178 - 27.323177000000001
Average (Standard dev.)0.051359184 (±1.2092943)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions512512512
Spacing512512512
CellA=B=C: 675.84 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z1.321.321.32
M x/y/z512512512
origin x/y/z0.0000.0000.000
length x/y/z675.840675.840675.840
α/β/γ90.00090.00090.000
start NX/NY/NZ-25-77-48
NX/NY/NZ899896
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS512512512
D min/max/mean-16.05727.3230.051

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Supplemental data

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Sample components

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Entire : Microtubule assembled from recombinant human tubulin beta-3 D417H...

EntireName: Microtubule assembled from recombinant human tubulin beta-3 D417H mutant decorated with kinesin
Components
  • Complex: Microtubule assembled from recombinant human tubulin beta-3 D417H mutant decorated with kinesin
    • Protein or peptide: Tubulin alpha-1B chain
    • Protein or peptide: Tubulin beta-3 chain
  • Ligand: GUANOSINE-5'-TRIPHOSPHATE
  • Ligand: MAGNESIUM ION
  • Ligand: GUANOSINE-5'-DIPHOSPHATE

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Supramolecule #1: Microtubule assembled from recombinant human tubulin beta-3 D417H...

SupramoleculeName: Microtubule assembled from recombinant human tubulin beta-3 D417H mutant decorated with kinesin
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#2
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: Tubulin alpha-1B chain

MacromoleculeName: Tubulin alpha-1B chain / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 48.665027 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MRECISIHVG QAGVQIGNAC WELYCLEHGI QPDGQMPSDK TIGGGDDSFN TFFSETGAGK HVPRAVFVDL EPTVIDEVRT GTYRQLFHP EQLITGKEDA ANNYARGHYT IGKEIIDLVL DRIRKLADQC TGLQGFLVFH SFGGGTGSGF TSLLMERLSV D YGKKSKLE ...String:
MRECISIHVG QAGVQIGNAC WELYCLEHGI QPDGQMPSDK TIGGGDDSFN TFFSETGAGK HVPRAVFVDL EPTVIDEVRT GTYRQLFHP EQLITGKEDA ANNYARGHYT IGKEIIDLVL DRIRKLADQC TGLQGFLVFH SFGGGTGSGF TSLLMERLSV D YGKKSKLE FSIYPAPQVS TAVVEPYNSI LTTHTTLEHS DCAFMVDNEA IYDICRRNLD IERPTYTNLN RLISQIVSSI TA SLRFDGA LNVDLTEFQT NLVPYPRIHF PLATYAPVIS AEKAYHEQLS VAEITNACFE PANQMVKCDP RHGKYMACCL LYR GDVVPK DVNAAIATIK TKRSIQFVDW CPTGFKVGIN YQPPTVVPGG DLAKVQRAVC MLSNTTAIAE AWARLDHKFD LMYA KRAFV HWYVGEGMEE GEFSEAREDM AALEKDYEEV GV

UniProtKB: Tubulin alpha-1B chain

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Macromolecule #2: Tubulin beta-3 chain

MacromoleculeName: Tubulin beta-3 chain / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 47.832984 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MREIVHIQAG QCGNQIGAKF WEVISDEHGI DPSGNYVGDS DLQLERISVY YNEASSHKYV PRAILVDLEP GTMDSVRSGA FGHLFRPDN FIFGQSGAGN NWAKGHYTEG AELVDSVLDV VRKECENCDC LQGFQLTHSL GGGTGSGMGT LLISKVREEY P DRIMNTFS ...String:
MREIVHIQAG QCGNQIGAKF WEVISDEHGI DPSGNYVGDS DLQLERISVY YNEASSHKYV PRAILVDLEP GTMDSVRSGA FGHLFRPDN FIFGQSGAGN NWAKGHYTEG AELVDSVLDV VRKECENCDC LQGFQLTHSL GGGTGSGMGT LLISKVREEY P DRIMNTFS VVPSPKVSDT VVEPYNATLS IHQLVENTDE TYCIDNEALY DICFRTLKLA TPTYGDLNHL VSATMSGVTT SL RFPGQLN ADLRKLAVNM VPFPRLHFFM PGFAPLTARG SQQYRALTVP ELTQQMFDAK NMMAACDPRH GRYLTVATVF RGR MSMKEV DEQMLAIQSK NSSYFVEWIP NNVKVAVCDI PPRGLKMSST FIGNSTAIQE LFKRISEQFT AMFRRKAFLH WYTG EGMDE MEFTEAESNM NHLVSEYQQY Q

UniProtKB: Tubulin beta-3 chain

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Macromolecule #3: GUANOSINE-5'-TRIPHOSPHATE

MacromoleculeName: GUANOSINE-5'-TRIPHOSPHATE / type: ligand / ID: 3 / Number of copies: 1 / Formula: GTP
Molecular weightTheoretical: 523.18 Da
Chemical component information

ChemComp-GTP:
GUANOSINE-5'-TRIPHOSPHATE / GTP, energy-carrying molecule*YM

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Macromolecule #4: MAGNESIUM ION

MacromoleculeName: MAGNESIUM ION / type: ligand / ID: 4 / Number of copies: 1 / Formula: MG
Molecular weightTheoretical: 24.305 Da

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Macromolecule #5: GUANOSINE-5'-DIPHOSPHATE

MacromoleculeName: GUANOSINE-5'-DIPHOSPHATE / type: ligand / ID: 5 / Number of copies: 1 / Formula: GDP
Molecular weightTheoretical: 443.201 Da
Chemical component information

ChemComp-GDP:
GUANOSINE-5'-DIPHOSPHATE / GDP, energy-carrying molecule*YM

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Experimental details

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Structure determination

Methodcryo EM
Processinghelical reconstruction
Aggregation statehelical array

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Sample preparation

BufferpH: 6.9
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN
Image recordingFilm or detector model: GATAN K2 SUMMIT (4k x 4k) / Average electron dose: 27.6 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD

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Image processing

Final reconstructionApplied symmetry - Helical parameters - Δz: 9.48 Å
Applied symmetry - Helical parameters - Δ&Phi: -27.68 °
Applied symmetry - Helical parameters - Axial symmetry: C1 (asymmetric)
Resolution.type: BY AUTHOR / Resolution: 3.7 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: FREALIGN (ver. 9.09) / Number images used: 26959
Startup modelType of model: EMDB MAP
Final angle assignmentType: NOT APPLICABLE

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