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- PDB-6quy: NgCKK (N.Gruberi CKK) decorated 13pf taxol-GDP microtubule -

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Basic information

Entry
Database: PDB / ID: 6quy
TitleNgCKK (N.Gruberi CKK) decorated 13pf taxol-GDP microtubule
Components
  • CKK domain protein
  • Tubulin alpha-1B chain
  • Tubulin beta chain
KeywordsSTRUCTURAL PROTEIN / Microtubule CAMSAP Calmodulin-regulated spectrum-associated proteins CKK Cryo-EM Cryo-Electron Microscopy
Function / homology
Function and homology information


odontoblast differentiation / Post-chaperonin tubulin folding pathway / 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 ...odontoblast differentiation / Post-chaperonin tubulin folding pathway / 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 / Kinesins / Assembly and cell surface presentation of NMDA receptors / GTPase activating protein binding / COPI-dependent Golgi-to-ER retrograde traffic / natural killer cell mediated cytotoxicity / intercellular bridge / regulation of synapse organization / nuclear envelope lumen / cytoplasmic microtubule / MHC class I protein binding / Recycling pathway of L1 / microtubule-based process / RHOH GTPase cycle / spindle assembly / 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 / Loss of Nlp from mitotic centrosomes / Loss of proteins required for interphase microtubule organization from the centrosome / Recruitment of mitotic centrosome proteins and complexes / Recruitment of NuMA to mitotic centrosomes / Anchoring of the basal body to the plasma membrane / HSP90 chaperone cycle for steroid hormone receptors (SHR) in the presence of ligand / MHC class II antigen presentation / Resolution of Sister Chromatid Cohesion / AURKA Activation by TPX2 / Translocation of SLC2A4 (GLUT4) to the plasma membrane / RHO GTPases Activate Formins / PKR-mediated signaling / structural constituent of cytoskeleton / mitotic spindle / microtubule cytoskeleton organization / Aggrephagy / HCMV Early Events / cytoplasmic ribonucleoprotein granule / Separation of Sister Chromatids / The role of GTSE1 in G2/M progression after G2 checkpoint / azurophil granule lumen / microtubule cytoskeleton / Regulation of PLK1 Activity at G2/M Transition / double-stranded RNA binding / mitotic cell cycle / cell body / microtubule binding / Hydrolases; Acting on acid anhydrides; Acting on GTP to facilitate cellular and subcellular movement / microtubule / Potential therapeutics for SARS / cytoskeleton / calmodulin binding / membrane raft / protein domain specific binding / cell division / GTPase activity / ubiquitin protein ligase binding / Neutrophil degranulation / protein-containing complex binding / GTP binding / structural molecule activity / protein-containing complex / extracellular exosome / extracellular region / nucleus / metal ion binding / cytosol / cytoplasm
Similarity search - Function
CKK domain / Calmodulin-regulated spectrin-associated protein / CKK domain superfamily / Microtubule-binding calmodulin-regulated spectrin-associated / CKK domain profile. / Microtubule-binding calmodulin-regulated spectrin-associated / Helix hairpin bin / PRC-barrel-like superfamily / Tubulin/FtsZ, C-terminal domain / Tubulin/FtsZ, GTPase domain ...CKK domain / Calmodulin-regulated spectrin-associated protein / CKK domain superfamily / Microtubule-binding calmodulin-regulated spectrin-associated / CKK domain profile. / Microtubule-binding calmodulin-regulated spectrin-associated / Helix hairpin bin / PRC-barrel-like superfamily / 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 / TAXOL / Predicted protein / Tubulin beta chain / Tubulin alpha-1B chain
Similarity search - Component
Biological speciesNaegleria gruberi (eukaryote)
Homo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.8 Å
AuthorsAtherton, J.M. / Luo, Y. / Xiang, S. / Yang, C. / Jiang, K. / Stangier, M. / Vemu, A. / Cook, A. / Wang, S. / Roll-Mecak, A. ...Atherton, J.M. / Luo, Y. / Xiang, S. / Yang, C. / Jiang, K. / Stangier, M. / Vemu, A. / Cook, A. / Wang, S. / Roll-Mecak, A. / Steinmetz, M.O. / Akhmanova, A. / Baldus, M. / Moores, C.A.
Funding support United Kingdom, Netherlands, Switzerland, 6items
OrganizationGrant numberCountry
Medical Research Council (United Kingdom)MR/R000352/1 United Kingdom
722.016.002 Netherlands
175.010.2009.002 Netherlands
718.015.001 Netherlands
184.032.207 Netherlands
Swiss National Science Foundation31003A_166608 Switzerland
CitationJournal: Nat Commun / Year: 2019
Title: Structural determinants of microtubule minus end preference in CAMSAP CKK domains.
Authors: Joseph Atherton / Yanzhang Luo / Shengqi Xiang / Chao Yang / Ankit Rai / Kai Jiang / Marcel Stangier / Annapurna Vemu / Alexander D Cook / Su Wang / Antonina Roll-Mecak / Michel O Steinmetz ...Authors: Joseph Atherton / Yanzhang Luo / Shengqi Xiang / Chao Yang / Ankit Rai / Kai Jiang / Marcel Stangier / Annapurna Vemu / Alexander D Cook / Su Wang / Antonina Roll-Mecak / Michel O Steinmetz / Anna Akhmanova / Marc Baldus / Carolyn A Moores /
Abstract: CAMSAP/Patronins regulate microtubule minus-end dynamics. Their end specificity is mediated by their CKK domains, which we proposed recognise specific tubulin conformations found at minus ends. To ...CAMSAP/Patronins regulate microtubule minus-end dynamics. Their end specificity is mediated by their CKK domains, which we proposed recognise specific tubulin conformations found at minus ends. To critically test this idea, we compared the human CAMSAP1 CKK domain (HsCKK) with a CKK domain from Naegleria gruberi (NgCKK), which lacks minus-end specificity. Here we report near-atomic cryo-electron microscopy structures of HsCKK- and NgCKK-microtubule complexes, which show that these CKK domains share the same protein fold, bind at the intradimer interprotofilament tubulin junction, but exhibit different footprints on microtubules. NMR experiments show that both HsCKK and NgCKK are remarkably rigid. However, whereas NgCKK binding does not alter the microtubule architecture, HsCKK remodels its microtubule interaction site and changes the underlying polymer structure because the tubulin lattice conformation is not optimal for its binding. Thus, in contrast to many MAPs, the HsCKK domain can differentiate subtly specific tubulin conformations to enable microtubule minus-end recognition.
History
DepositionFeb 28, 2019Deposition site: PDBE / Processing site: PDBE
Revision 1.0Nov 27, 2019Provider: repository / Type: Initial release
Revision 1.1Dec 4, 2019Group: Database references / Category: citation / citation_author
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_PubMed / _citation.title
Revision 1.2Dec 18, 2019Group: Other / Category: atom_sites
Item: _atom_sites.fract_transf_matrix[1][1] / _atom_sites.fract_transf_matrix[2][2] / _atom_sites.fract_transf_matrix[3][3]
Revision 1.3Feb 10, 2021Group: Source and taxonomy / Category: em_entity_assembly_naturalsource / Item: _em_entity_assembly_naturalsource.organism
Revision 1.4May 15, 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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Structure visualization

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Assembly

Deposited unit
A: Tubulin alpha-1B chain
C: Tubulin alpha-1B chain
W: CKK domain protein
H: Tubulin beta chain
G: Tubulin beta chain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)224,41213
Polymers220,7235
Non-polymers3,6898
Water00
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_5551
Buried area18510 Å2
ΔGint-95 kcal/mol
Surface area67210 Å2
MethodPISA

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Components

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Protein , 3 types, 5 molecules ACWHG

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


Mass: 50204.445 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Details: GTP / Source: (natural) Homo sapiens (human) / Cell line: tsa201 / Tissue: Embryonic kidney / References: UniProt: P68363
#2: Protein CKK domain protein


Mass: 20879.051 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Naegleria gruberi (eukaryote) / Gene: NAEGRDRAFT_50049 / Production host: Escherichia coli (E. coli) / References: UniProt: D2VJG4
#3: Protein Tubulin beta chain / Tubulin beta-5 chain


Mass: 49717.629 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Details: GDP Taxol / Source: (natural) Homo sapiens (human) / Cell line: tsa201 / Tissue: embryonic kidney / References: UniProt: P07437

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Non-polymers , 4 types, 8 molecules

#4: Chemical ChemComp-GTP / GUANOSINE-5'-TRIPHOSPHATE


Mass: 523.180 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C10H16N5O14P3 / Comment: GTP, energy-carrying molecule*YM
#5: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Mg
#6: Chemical ChemComp-GDP / GUANOSINE-5'-DIPHOSPHATE


Type: RNA linking / Mass: 443.201 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C10H15N5O11P2 / Comment: GDP, energy-carrying molecule*YM
#7: Chemical ChemComp-TA1 / TAXOL


Mass: 853.906 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C47H51NO14 / Comment: medication, chemotherapy*YM

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Experimental details

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Experiment

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

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Sample preparation

Component
IDNameTypeEntity IDParent-IDSource
1NgCKK (N.Gruberi CKK) decorated 13pf taxol-GDP microtubuleCOMPLEX#1-#30MULTIPLE SOURCES
2tubulinCOMPLEX#1, #31NATURAL
3N.Gruberi CKKCOMPLEX#21RECOMBINANT
Source (natural)
IDEntity assembly-IDOrganismNcbi tax-ID
12Homo sapiens (human)9606
23Naegleria gruberi (eukaryote)5762
Source (recombinant)Organism: Escherichia coli (E. coli)
Buffer solutionpH: 6.8 / Details: BRB20
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Tecnai Polara / Image courtesy: FEI Company
MicroscopyModel: FEI POLARA 300
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD
Image recordingElectron dose: 42 e/Å2 / Detector mode: COUNTING / Film or detector model: GATAN K2 SUMMIT (4k x 4k) / Details: dose weighted images used in final reconstructions

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Processing

SoftwareName: PHENIX / Version: 1.11.1_2575: / Classification: refinement
EM software
IDNameCategory
7Cootmodel fitting
13PHENIXmodel refinement
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 3.8 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 27635 / Symmetry type: POINT
Atomic model buildingProtocol: OTHER / Space: REAL
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00645800
ELECTRON MICROSCOPYf_angle_d0.89162264
ELECTRON MICROSCOPYf_dihedral_angle_d8.2527504
ELECTRON MICROSCOPYf_chiral_restr0.0566920
ELECTRON MICROSCOPYf_plane_restr0.0078330

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