2XNO

Structure of Nek2 bound to CCT243779


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.98 Å
  • R-Value Free: 0.214 
  • R-Value Work: 0.170 
  • R-Value Observed: 0.172 

Starting Model: experimental
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Ligand Structure Quality Assessment 


This is version 1.3 of the entry. See complete history


Literature

Benzimidazole Inhibitors Induce a Dfg-Out Conformation of Never in Mitosis Gene A-Related Kinase 2 (Nek2) without Binding to the Back Pocket and Reveal a Nonlinear Structure-Activity Relationship.

Solanki, S.Innocenti, P.Mas-Droux, C.Boxall, K.Barillari, C.Van Montfort, R.L.Aherne, G.W.Bayliss, R.Hoelder, S.

(2011) J Med Chem 54: 1626

  • DOI: https://doi.org/10.1021/jm1011726
  • Primary Citation of Related Structures:  
    2XNM, 2XNN, 2XNO, 2XNP

  • PubMed Abstract: 

    We describe herein the structure-activity relationship (SAR) and cocrystal structures of a series of Nek2 inhibitors derived from the published polo-like kinase 1 (Plk1) inhibitor (R)-1. Our studies reveal a nonlinear SAR for Nek2 and our cocrystal structures show that compounds in this series bind to a DFG-out conformation of Nek2 without extending into the enlarged back pocket commonly found in this conformation. These observations were further investigated, and structure-based design led to Nek2 inhibitors derived from (R)-1 with more than a hundred-fold selectivity against Plk1.


  • Organizational Affiliation

    The Institute of Cancer Research, Cancer Research UK Cancer Therapeutics Unit, 15 Cotswold Road, Sutton, Surrey SM2 5NG, United Kingdom.


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
SERINE/THREONINE-PROTEIN KINASE NEK2279Homo sapiensMutation(s): 0 
EC: 2.7.11.1
UniProt & NIH Common Fund Data Resources
Find proteins for P51955 (Homo sapiens)
Explore P51955 
Go to UniProtKB:  P51955
PHAROS:  P51955
GTEx:  ENSG00000117650 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP51955
Sequence Annotations
Expand
  • Reference Sequence
Small Molecules
Ligands 5 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
ED8
Query on ED8

Download Ideal Coordinates CCD File 
B [auth A]5-{6-[(1-methylpiperidin-4-yl)oxy]-1H-benzimidazol-1-yl}-3-{[2-(trifluoromethyl)benzyl]oxy}thiophene-2-carboxamide
C26 H25 F3 N4 O3 S
FNHUNERGHGEZMB-UHFFFAOYSA-N
GOL
Query on GOL

Download Ideal Coordinates CCD File 
N [auth A]GLYCEROL
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
DMS
Query on DMS

Download Ideal Coordinates CCD File 
O [auth A]DIMETHYL SULFOXIDE
C2 H6 O S
IAZDPXIOMUYVGZ-UHFFFAOYSA-N
EDO
Query on EDO

Download Ideal Coordinates CCD File 
E [auth A]
F [auth A]
G [auth A]
H [auth A]
I [auth A]
E [auth A],
F [auth A],
G [auth A],
H [auth A],
I [auth A],
J [auth A],
K [auth A],
L [auth A],
M [auth A],
P [auth A],
Q [auth A]
1,2-ETHANEDIOL
C2 H6 O2
LYCAIKOWRPUZTN-UHFFFAOYSA-N
CL
Query on CL

Download Ideal Coordinates CCD File 
C [auth A],
D [auth A]
CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
Binding Affinity Annotations 
IDSourceBinding Affinity
ED8 PDBBind:  2XNO IC50: 1180 (nM) from 1 assay(s)
BindingDB:  2XNO IC50: 1180 (nM) from 1 assay(s)
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.98 Å
  • R-Value Free: 0.214 
  • R-Value Work: 0.170 
  • R-Value Observed: 0.172 
  • Space Group: C 1 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 101.05α = 90
b = 56.88β = 133.46
c = 81.34γ = 90
Software Package:
Software NamePurpose
PHENIXrefinement
MOSFLMdata reduction
SCALAdata scaling
PHASERphasing

Structure Validation

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Ligand Structure Quality Assessment 


Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2011-03-30
    Type: Initial release
  • Version 1.1: 2011-05-08
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance
  • Version 1.3: 2023-12-20
    Changes: Data collection, Database references, Derived calculations, Other, Refinement description