From August 18th 2026, GtoPdb will require users to register to use the website. Please see our blog post for more information.

PKR inhibitor   Click here for help

GtoPdb Ligand ID: 6026

Synonyms: AC1O5VPR | ASN 11124542
PDB Ligand
Compound class: Synthetic organic
Comment: This is compound 16 in [3] which has been shown to be an ATP competitive inhibitor blocking autophosphorylation of PKR.
Double-stranded RNA-activated protein kinase (PKR) is also known as eukaryotic initiation factor 2 subunit α (eIF2α).
Click here for help
2D Structure
Click here for help
Click here for structure editor
Physico-chemical Properties
Click here for help
Hydrogen bond acceptors 4
Hydrogen bond donors 2
Rotatable bonds 1
Topological polar surface area 98.91
Molecular weight 268.04
XLogP 0.97
No. Lipinski's rules broken 0

Generated using the Chemistry Development Kit (CDK) (Willighagen EL et al. Journal of Cheminformatics vol. 9:33. 2017, doi:10.1186/s13321-017-0220-4; https://cdk.github.io/)

SMILES / InChI / InChIKey
Click here for help
Canonical SMILES O=C1Nc2c(C1=Cc1cnc[nH]1)c1scnc1cc2
Isomeric SMILES O=C1Nc2c(/C/1=C/c1cnc[nH]1)c1scnc1cc2
InChI InChI=1S/C13H8N4OS/c18-13-8(3-7-4-14-5-15-7)11-9(17-13)1-2-10-12(11)19-6-16-10/h1-6H,(H,14,15)(H,17,18)/b8-3-
InChI Key VFBGXTUGODTSPK-BAQGIRSFSA-N

Generated using the Chemistry Development Kit (CDK) (Willighagen EL et al. Journal of Cheminformatics vol. 9:33. 2017, doi:10.1186/s13321-017-0220-4; https://cdk.github.io/)

Classification Click here for help
Compound class Synthetic organic
IUPAC Name Click here for help
(8Z)-8-(1H-imidazol-5-ylmethylidene)-6H,7H,8H-[1,3]thiazolo[5,4-e]indol-7-one
Synonyms Click here for help
AC1O5VPR | ASN 11124542
Database Links Click here for help
CAS Registry No. 608512-97-6
ChEMBL Ligand CHEMBL235641
GtoPdb PubChem SID 178102648
PubChem CID 6490494
RCSB PDB Ligand 34L
Search Google for chemical match using the InChIKey VFBGXTUGODTSPK-BAQGIRSFSA-N
Search Google for chemicals with the same backbone VFBGXTUGODTSPK
UniChem Compound Search for chemical match using the InChIKey VFBGXTUGODTSPK-BAQGIRSFSA-N
UniChem Connectivity Search for chemical match using the InChIKey VFBGXTUGODTSPK-BAQGIRSFSA-N

Product suppliers

View disclaimer

MedChemExpress
PKR-IN-C16 (links to external site)
Cat. No. HY-13977A
(Same CID)