6EVI

solution NMR structure of EB1 C terminus (191-260)

Experimental Data Snapshot

  • Method: SOLUTION NMR
  • Conformers Calculated: 20 
  • Conformers Submitted: 20 
  • Selection Criteria: all calculated structures submitted 

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This is version 1.1 of the entry. See complete history. 


Literature

Targeting SxIP-EB1 interaction: An integrated approach to the discovery of small molecule modulators of dynamic binding sites.

Almeida, T.B., Carnell, A.J., Barsukov, I.L., Berry, N.G.

(2017) Sci Rep 7: 15533-15533

  • DOI: 10.1038/s41598-017-15502-6
  • Primary Citation of Related Structures:  
    6EVI, 6EVQ

  • PubMed Abstract: 

    • End binding protein 1 (EB1) is a key element in the complex network of protein-protein interactions at microtubule (MT) growing ends, which has a fundamental role in MT polymerisation. EB1 is an important protein target as it is involved in regulating MT dynamic behaviour, and has been associated with several disease states, such as cancer and neuronal diseases ...

    End binding protein 1 (EB1) is a key element in the complex network of protein-protein interactions at microtubule (MT) growing ends, which has a fundamental role in MT polymerisation. EB1 is an important protein target as it is involved in regulating MT dynamic behaviour, and has been associated with several disease states, such as cancer and neuronal diseases. Diverse EB1 binding partners are recognised through a conserved four amino acid motif, (serine-X-isoleucine-proline) which exists within an intrinsically disordered region. Here we report the use of a multidisciplinary computational and experimental approach for the discovery of the first small molecule scaffold which targets the EB1 recruiting domain. This approach includes virtual screening (structure- and ligand-based design) and multiparameter compound selection. Subsequent studies on the selected compounds enabled the elucidation of the NMR structures of the C-terminal domain of EB1 in the free form and complexed with a small molecule. These structures show that the binding site is not preformed in solution, and ligand binding is fundamental for the binding site formation. This work is a successful demonstration of the combination of modelling and experimental methods to enable the discovery of compounds which bind to these challenging systems.

    Organizational Affiliation: 

    University of Liverpool, Department of Chemistry, Liverpool, L69 7ZD, United Kingdom. ngberry@liverpool.ac.uk.



Macromolecules
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(by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Microtubule-associated protein RP/EB family member 1A, B70Mus musculusMutation(s): 0 
Gene Names: Mapre1
UniProt
Find proteins for Q61166 (Mus musculus)
Explore Q61166 
Go to UniProtKB:  Q61166
Entity Groups  
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UniProt GroupQ61166
Protein Feature View
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: SOLUTION NMR
  • Conformers Calculated: 20 
  • Conformers Submitted: 20 
  • Selection Criteria: all calculated structures submitted 
  • OLDERADO: 6EVI Olderado

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2018-02-07
    Type: Initial release
  • Version 1.1: 2019-05-08
    Changes: Data collection