SH2 PTB Focused Library

SH2 PTB Focused Library

8,202 Compounds

Medicinal and Computational Chemistry Dept., ChemDiv, Inc., 6605 Nancy Ridge Drive, San Diego, CA 92121 USA, Service: +1 877 ChemDiv, Tel: +1 858-794-4860, Fax: +1 858-794-4931, Email:


Src homology 2 (SH2) domains are 100 amino acid modular units which recognize and bind to tyrosyl-phosphorylated peptide sequences on their target proteins, thereby mediating intracellular protein to protein interactions.

Library Design
The Core Strategy:

  • 3D/2D Similarity
  • 2D-topological analogues
  • Privileged scaffold hopping
  • Diversity set
  • 3D Pharmacophore modeling

Representative Examples From The ChemDiv 15,000 Compound Library

3D in silico modeling

Currently, more than 50 crystallographic complexes obtained for various small-molecule SH2 domain inhibitors are available within the PDB databank. The 4-centered pharmacophore model was constructed based on the selected x-ray data (2WKM, 3GQL, and 4AOI). There reference compounds were then docked into the constructed model starting with the 2D structures form without any stereo assignment. The obtained results are well correlated with the RSA data used (av. RMSD=0.2).

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