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- PDB-5ij0: Cryo EM density of microtubule assembled from human TUBB3 -

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Basic information

Entry
Database: PDB / ID: 5ij0
TitleCryo EM density of microtubule assembled from human TUBB3
Components
  • Tubulin alpha-1B chain
  • Tubulin beta-3 chain
KeywordsSTRUCTURAL PROTEIN / human / microtubules / tubulin / hydrolysis
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
Helix hairpin bin / Tubulin/FtsZ, C-terminal domain / Tubulin/FtsZ, GTPase domain / 60s Ribosomal Protein L30; Chain: A; / Alpha tubulin / Tubulin-beta mRNA autoregulation signal. / Beta tubulin, autoregulation binding site / Beta tubulin / Tubulin / Tubulin, C-terminal ...Helix hairpin bin / Tubulin/FtsZ, C-terminal domain / Tubulin/FtsZ, GTPase domain / 60s Ribosomal Protein L30; Chain: A; / 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 / Helix Hairpins / Rossmann fold / 2-Layer Sandwich / Orthogonal Bundle / 3-Layer(aba) Sandwich / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
GUANOSINE-5'-DIPHOSPHATE / GUANOSINE-5'-TRIPHOSPHATE / Tubulin alpha-1B chain / Tubulin beta-3 chain
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / helical reconstruction / cryo EM / Resolution: 3.8 Å
AuthorsTi, S.-C. / Pamula, M.C. / Howes, S.C. / Duellberg, C. / Nicholas, C.I. / Kleiner, R.E. / Forth, S. / Surrey, T. / Nogales, E. / Kapoor, T.M.
Funding support United States, 2items
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, 2016Deposition site: RCSB / Processing site: RCSB
Revision 1.0Apr 20, 2016Provider: repository / Type: Initial release
Revision 1.1Sep 27, 2017Group: Author supporting evidence / Data collection / Category: em_image_scans / pdbx_audit_support / Item: _pdbx_audit_support.funding_organization
Revision 1.2Dec 25, 2019Group: Author supporting evidence / Category: pdbx_audit_support / Item: _pdbx_audit_support.funding_organization
Revision 1.3Mar 6, 2024Group: Data collection / Database references / Category: chem_comp_atom / chem_comp_bond / database_2
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Assembly

Deposited unit
A: Tubulin alpha-1B chain
B: Tubulin beta-3 chain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)97,4665
Polymers96,4752
Non-polymers9913
Water00
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_5551
Buried area5490 Å2
ΔGint-36 kcal/mol
Surface area30970 Å2

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Components

#1: Protein Tubulin alpha-1B chain / Alpha-tubulin ubiquitous / Tubulin K-alpha-1 / Tubulin alpha-ubiquitous chain


Mass: 48665.027 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: TUBA1B / Production host: Trichoplusia ni (cabbage looper) / References: UniProt: P68363
#2: Protein Tubulin beta-3 chain / Tubulin beta-4 chain / Tubulin beta-III


Mass: 47809.926 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: TUBB3, TUBB4 / Production host: Trichoplusia ni (cabbage looper) / References: UniProt: Q13509
#3: Chemical ChemComp-GTP / GUANOSINE-5'-TRIPHOSPHATE


Mass: 523.180 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H16N5O14P3 / Comment: GTP, energy-carrying molecule*YM
#4: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Mg
#5: Chemical ChemComp-GDP / GUANOSINE-5'-DIPHOSPHATE


Type: RNA linking / Mass: 443.201 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H15N5O11P2 / Comment: GDP, energy-carrying molecule*YM

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Experimental details

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Experiment

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

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Sample preparation

ComponentName: Microtubule assembled from recombinant human tubulin decorated with kinesin
Type: COMPLEX / Entity ID: #1-#2 / Source: RECOMBINANT
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Trichoplusia ni (cabbage looper) / Plasmid: pFastBacHT
Buffer solutionpH: 6.9
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

MicroscopyModel: FEI TITAN
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD
Specimen holderSpecimen holder model: GATAN 626 SINGLE TILT LIQUID NITROGEN CRYO TRANSFER HOLDER
Image recordingElectron dose: 27.6 e/Å2 / Film or detector model: GATAN K2 SUMMIT (4k x 4k)

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Processing

EM softwareName: Leginon / Category: image acquisition
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Helical symmertyAngular rotation/subunit: -27.69 ° / Axial rise/subunit: 9.44 Å / Axial symmetry: C1
3D reconstructionResolution: 3.8 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 24268 / Symmetry type: HELICAL

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