7PUE

Human serum and glucocorticoid-regulated kinase 1 in complex with pyrazolopyridine inhibitor 3a


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.51 Å
  • R-Value Free: 0.249 
  • R-Value Work: 0.213 
  • R-Value Observed: 0.216 

Starting Model: other
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wwPDB Validation   3D Report Full Report


This is version 1.3 of the entry. See complete history


Literature

Rational Design of Highly Potent, Selective, and Bioavailable SGK1 Protein Kinase Inhibitors for the Treatment of Osteoarthritis.

Halland, N.Schmidt, F.Weiss, T.Li, Z.Czech, J.Saas, J.Ding-Pfennigdorff, D.Dreyer, M.K.Strubing, C.Nazare, M.

(2022) J Med Chem 65: 1567-1584

  • DOI: https://doi.org/10.1021/acs.jmedchem.1c01601
  • Primary Citation of Related Structures:  
    7PUE

  • PubMed Abstract: 

    The serine/threonine kinase SGK1 is an activator of the β-catenin pathway and a powerful stimulator of cartilage degradation that is found to be upregulated under genomic control in diseased osteoarthritic cartilage. Today, no oral disease-modifying treatments are available and chronic treatment in this indication sets high requirements for the drug selectivity, pharmacokinetic, and safety profile. We describe the identification of a highly selective druglike 1 H -pyrazolo[3,4- d ]pyrimidine SGK1 inhibitor 17a that matches both safety and pharmacokinetic requirements for oral dosing. Rational compound design was facilitated by a novel hSGK1 co-crystal structure, and multiple ligand-based computer models were applied to guide the chemical optimization of the compound ADMET and selectivity profiles. Compounds were selected for subchronic proof of mechanism studies in the mouse femoral head cartilage explant model, and compound 17a emerged as a druglike SGK1 inhibitor, with a highly optimized profile suitable for oral dosing as a novel, potentially disease-modifying agent for osteoarthritis.


  • Organizational Affiliation

    Integrated Drug Discovery, Sanofi R&D, Industriepark Höchst, D-65926 Frankfurt am Main, Germany.


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Serine/threonine-protein kinase Sgk1375Homo sapiensMutation(s): 2 
Gene Names: SGK1SGK
EC: 2.7.11.1
UniProt & NIH Common Fund Data Resources
Find proteins for O00141 (Homo sapiens)
Explore O00141 
Go to UniProtKB:  O00141
PHAROS:  O00141
GTEx:  ENSG00000118515 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupO00141
Sequence Annotations
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.51 Å
  • R-Value Free: 0.249 
  • R-Value Work: 0.213 
  • R-Value Observed: 0.216 
  • Space Group: P 65 2 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 92.445α = 90
b = 92.445β = 90
c = 172.033γ = 120
Software Package:
Software NamePurpose
BUSTERrefinement
XDSdata reduction
autoPROCdata scaling
BUSTERphasing

Structure Validation

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Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
Other private--

Revision History  (Full details and data files)

  • Version 1.0: 2021-12-01
    Type: Initial release
  • Version 1.1: 2022-02-02
    Changes: Database references
  • Version 1.2: 2022-02-09
    Changes: Database references
  • Version 1.3: 2024-05-01
    Changes: Data collection, Refinement description