Crystal structure of checkpoint kinase 1 (CHK1) in complex with inhibitors

Structure

x-ray diffraction · 1 distinct chain · 36% helix, 22% strand (DSSP).

Ligands and binding sites

• 4UB · 3-phenyl-6-(1H-pyrazol-4-yl)imidazo[1,2-a]pyrazine · ligand · chains A
• EDO · 1,2-ethanediol · additive · 4 copies · chains A

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

Pockets

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

Compared structures

• 2XF0 · Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitors · 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
• 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
• 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 0.98
• 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 0.98

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 2XF0 · PDBe 2XF0 · UniProt O14757