6QUS

HsCKK (human CAMSAP1) decorated 13pf taxol-GDP microtubule


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.7 Å
  • Aggregation State: FILAMENT 
  • Reconstruction Method: SINGLE PARTICLE 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history

Literature

Structural determinants of microtubule minus end preference in CAMSAP CKK domains.

Atherton, J.Luo, Y.Xiang, S.Yang, C.Rai, A.Jiang, K.Stangier, M.Vemu, A.Cook, A.D.Wang, S.Roll-Mecak, A.Steinmetz, M.O.Akhmanova, A.Baldus, M.Moores, C.A.

(2019) Nat Commun 10: 5236-5236

  • DOI: 10.1038/s41467-019-13247-6
  • Primary Citation of Related Structures:  

  • PubMed 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 critically test this idea, we compared the human CAMS ...

    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.


    Organizational Affiliation

    Institute of Structural and Molecular Biology, Birkbeck, University of London, Malet Street, London, UK.,Cell Biology and Biophysics Unit, National Institute of Neurological Disorders and Stroke, Bethesda, MD, 20892, USA.,University of Basel, Biozentrum, CH-4056, Basel, Switzerland.,NMR Spectroscopy, Bijvoet Center for Biomolecular Research, Utrecht University, Padualaan 8, 3584 CH, Utrecht, The Netherlands. M.Baldus@uu.nl.,Institute of Structural and Molecular Biology, Birkbeck, University of London, Malet Street, London, UK. c.moores@mail.cryst.bbk.ac.uk.,Medical Research Institute, School of Medicine, Wuhan University, 430071, Wuhan, China.,Institute of Structural and Molecular Biology, Birkbeck, University of London, Malet Street, London, UK. j.atherton@mail.cryst.bbk.ac.uk.,MOE Key Lab for biomolecular Condensates & Cellular Dynamics, School of Life Sciences, University of Science and Technology of China, 96 Jinzhai Road, Hefei, 230026, Anhui, China.,Laboratory of Biomolecular Research, Division of Biology and Chemistry, Paul Scherrer Institut, Villigen, PSI, Switzerland.,NMR Spectroscopy, Bijvoet Center for Biomolecular Research, Utrecht University, Padualaan 8, 3584 CH, Utrecht, The Netherlands.,Biophysics Center, National Heart, Lung and Blood Institute, Bethesda, MD, 20892, USA.,Cell Biology, Department of Biology, Faculty of Science, Utrecht University, Padualaan 8, 3584 CH, Utrecht, The Netherlands.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Tubulin alpha-1B chain
X, O
451Homo sapiensMutation(s): 0 
Gene Names: TUBA1B
Find proteins for P68363 (Homo sapiens)
Go to Gene View: TUBA1B
Go to UniProtKB:  P68363
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
Calmodulin-regulated spectrin-associated protein 1
I
174Homo sapiensMutation(s): 0 
Gene Names: CAMSAP1
Find proteins for Q5T5Y3 (Homo sapiens)
Go to Gene View: CAMSAP1
Go to UniProtKB:  Q5T5Y3
Entity ID: 3
MoleculeChainsSequence LengthOrganismDetails
Tubulin beta chain
U, S
444Homo sapiensMutation(s): 0 
Gene Names: TUBB (TUBB5)
Find proteins for P07437 (Homo sapiens)
Go to Gene View: TUBB
Go to UniProtKB:  P07437
Small Molecules
Ligands 4 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
GDP
Query on GDP

Download SDF File 
Download CCD File 
S, U
GUANOSINE-5'-DIPHOSPHATE
C10 H15 N5 O11 P2
QGWNDRXFNXRZMB-UUOKFMHZSA-N
 Ligand Interaction
GTP
Query on GTP

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Download CCD File 
O, X
GUANOSINE-5'-TRIPHOSPHATE
C10 H16 N5 O14 P3
XKMLYUALXHKNFT-UUOKFMHZSA-N
 Ligand Interaction
MG
Query on MG

Download SDF File 
Download CCD File 
O, X
MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
 Ligand Interaction
TA1
Query on TA1

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Download CCD File 
S, U
TAXOL
C47 H51 N O14
RCINICONZNJXQF-MZXODVADSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.7 Å
  • Aggregation State: FILAMENT 
  • Reconstruction Method: SINGLE PARTICLE 
Software Package:
Software NamePurpose
PHENIXrefinement

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
Medical Research Council (United Kingdom)United KingdomMR/R000352/1
Netherlands722.016.002
Netherlands175.010.2009.002
Netherlands718.015.001
Netherlands184.032.207
Swiss National Science FoundationSwitzerland31003A_166608

Revision History 

  • Version 1.0: 2019-11-27
    Type: Initial release
  • Version 1.1: 2019-12-04
    Type: Database references