Crystal structure of CHK1 kinase in complex with inhibitor 38

Structure

x-ray diffraction · 1 distinct chain · 34% helix, 21% strand (DSSP).

Ligands and binding sites

• 38M · 3-(3-chlorophenyl)-2-({(1S)-1-[(6S)-2,8-diazaspiro[5.5]undec-2-ylcarbonyl]pentyl}sulfanyl)quinazolin-4(3H)-one · ligand · chains A
• SO4 · Sulfate ion · ion · 2 copies · chains A

Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.

Pockets

2 pockets found on a 1 Å grid, 1 with a druggability of 0.5 or more.

Compared structures

• 3F9N · Crystal structure of chk1 kinase in complex with inhibitor 38 · the same entry in another collection · chain A against A, TM-score 1.00
• O14757 · AlphaFold monomer V2.0 prediction for SERINE/THREONINE-protein kinase CHK1 (O14757) · a predicted model of the same protein · chain A against A, TM-score 0.99
• 2C3K · Identification of a buried pocket for potent and selective inhibition of CHK1: prediction… · a predicted model of the same protein · chain A against A, TM-score 0.99
• 2C3L · Identification of a buried pocket for potent and selective inhibition of CHK1: prediction… · a predicted model of the same protein · chain A against A, TM-score 0.99
• 2C3J · Identification of a buried pocket for potent and selective inhibition of CHK1: prediction… · a predicted model of the same protein · chain A against A, TM-score 0.99

Analyse

• Open in the research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides and crosslinks on the 3D structure
• Every structure of UniProt O14757
• Elsewhere: RCSB PDB 3F9N · PDBe 3F9N · UniProt O14757