4NW6

Rsk2 N-terminal kinase in complex with 2-amino-7-substituted benzoxazole compound 27

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.74 Å
  • R-Value Free: 0.201 
  • R-Value Work: 0.165 
  • R-Value Observed: 0.167 

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


Literature

2-Amino-7-substituted benzoxazole analogs as potent RSK2 inhibitors.

Costales, A., Mathur, M., Ramurthy, S., Lan, J., Subramanian, S., Jain, R., Atallah, G., Setti, L., Lindvall, M., Appleton, B.A., Ornelas, E., Feucht, P., Warne, B., Doyle, L., Basham, S.E., Aronchik, I., Jefferson, A.B., Shafer, C.M.

(2014) Bioorg Med Chem Lett 24: 1592-1596

  • DOI: 10.1016/j.bmcl.2014.01.058
  • Primary Citation of Related Structures:  
    4NW5, 4NW6

  • PubMed Abstract: 

    • 2-Amino-7-substituted benzoxazole analogs were identified by HTS as inhibitors of RSK2. Molecular modeling and medicinal chemistry techniques were employed to explore the SAR for this series with a focus of improving in vitro and target modulation potency and physicochemical properties ...

    2-Amino-7-substituted benzoxazole analogs were identified by HTS as inhibitors of RSK2. Molecular modeling and medicinal chemistry techniques were employed to explore the SAR for this series with a focus of improving in vitro and target modulation potency and physicochemical properties.

    Organizational Affiliation: 

    Global Discovery Chemistry/Oncology & Exploratory Chemistry, Novartis Institutes for Biomedical Research, 4560 Horton Street, Emeryville, CA 94608, USA. Electronic address: cynthia.shafer@novartis.com.



Macromolecules
Find similar proteins by: 
(by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Ribosomal protein S6 kinase alpha-3A323Homo sapiensMutation(s): 0 
Gene Names: RPS6KA3, ISPK1, MAPKAPK1B, RSK2
EC: 2.7.11.1
UniProt & NIH Common Fund Data Resources
Find proteins for P51812 (Homo sapiens)
Explore P51812 
Go to UniProtKB:  P51812
PHAROS:  P51812
GTEx:  ENSG00000177189 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP51812
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
2NS
Query on 2NS
Download Ideal Coordinates CCD File 
B [auth A]7-(1H-benzimidazol-7-yl)-N-(3,4,5-trimethoxyphenyl)-1,3-benzoxazol-2-amine
C23 H20 N4 O4
ZWUCWBYYVLQXEP-UHFFFAOYSA-N		 Ligand Interaction
Binding Affinity Annotations 
IDSourceBinding Affinity
2NS Binding MOAD:  4NW6 IC50: 4 (nM) from 1 assay(s)
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.74 Å
  • R-Value Free: 0.201 
  • R-Value Work: 0.165 
  • R-Value Observed: 0.167 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 51.87α = 90
b = 60.53β = 90
c = 112.24γ = 90
Software Package:
Software NamePurpose
BUSTERrefinement

Structure Validation

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Ligand Structure Quality Assessment 


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Entry History 

Deposition Data

  • Deposited Date: 2013-12-05 
  • Released Date: 2014-02-19 
    • Deposition Author(s): Appleton, B.A.

Revision History  (Full details and data files)

  • Version 1.0: 2014-02-19
    Type: Initial release
  • Version 1.1: 2014-10-08
    Changes: Database references