5OI7

Human CEP85 - coiled coil domain 4


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.67 Å
  • R-Value Free: 0.239 
  • R-Value Work: 0.203 
  • R-Value Observed: 0.204 

wwPDB Validation   3D Report Full Report


This is version 1.1 of the entry. See complete history


Literature

Direct binding of CEP85 to STIL ensures robust PLK4 activation and efficient centriole assembly.

Liu, Y.Gupta, G.D.Barnabas, D.D.Agircan, F.G.Mehmood, S.Wu, D.Coyaud, E.Johnson, C.M.McLaughlin, S.H.Andreeva, A.Freund, S.M.V.Robinson, C.V.Cheung, S.W.T.Raught, B.Pelletier, L.van Breugel, M.

(2018) Nat Commun 9: 1731-1731

  • DOI: 10.1038/s41467-018-04122-x
  • Primary Citation of Related Structures:  
    5OI7, 5OI9, 5OID

  • PubMed Abstract: 
  • Centrosomes are required for faithful chromosome segregation during mitosis. They are composed of a centriole pair that recruits and organizes the microtubule-nucleating pericentriolar material. Centriole duplication is tightly controlled in vivo and aberrations in this process are associated with several human diseases, including cancer and microcephaly ...

    Centrosomes are required for faithful chromosome segregation during mitosis. They are composed of a centriole pair that recruits and organizes the microtubule-nucleating pericentriolar material. Centriole duplication is tightly controlled in vivo and aberrations in this process are associated with several human diseases, including cancer and microcephaly. Although factors essential for centriole assembly, such as STIL and PLK4, have been identified, the underlying molecular mechanisms that drive this process are incompletely understood. Combining protein proximity mapping with high-resolution structural methods, we identify CEP85 as a centriole duplication factor that directly interacts with STIL through a highly conserved interaction interface involving a previously uncharacterised domain of STIL. Structure-guided mutational analyses in vivo demonstrate that this interaction is essential for efficient centriolar targeting of STIL, PLK4 activation and faithful daughter centriole assembly. Taken together, our results illuminate a molecular mechanism underpinning the spatiotemporal regulation of the early stages of centriole duplication.


    Organizational Affiliation

    Medical Research Council - Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge, CB2 0QH, UK. vanbreug@mrc-lmb.cam.ac.uk.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Centrosomal protein of 85 kDaA, B88Homo sapiensMutation(s): 0 
Gene Names: CEP85CCDC21
UniProt & NIH Common Fund Data Resources
Find proteins for Q6P2H3 (Homo sapiens)
Explore Q6P2H3 
Go to UniProtKB:  Q6P2H3
PHAROS:  Q6P2H3
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ6P2H3
Protein Feature View
Expand
  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
MPD
Query on MPD

Download Ideal Coordinates CCD File 
C [auth B](4S)-2-METHYL-2,4-PENTANEDIOL
C6 H14 O2
SVTBMSDMJJWYQN-YFKPBYRVSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.67 Å
  • R-Value Free: 0.239 
  • R-Value Work: 0.203 
  • R-Value Observed: 0.204 
  • Space Group: I 2 2 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 37.93α = 90
b = 73.88β = 90
c = 128.13γ = 90
Software Package:
Software NamePurpose
PHENIXrefinement
iMOSFLMdata reduction
SCALAdata scaling
PHASERphasing

Structure Validation

View Full Validation Report




Entry History & Funding Information

Deposition Data

  • Deposited Date: 2017-07-18 
  • Released Date: 2018-04-18 
  • Deposition Author(s): van Breugel, M.

Funding OrganizationLocationGrant Number
Medical Research Council (United Kingdom)United KingdomMC_UP_1201/3

Revision History  (Full details and data files)

  • Version 1.0: 2018-04-18
    Type: Initial release
  • Version 1.1: 2018-05-09
    Changes: Data collection, Database references