4JIK image
Deposition Date 2013-03-06
Release Date 2013-04-17
Last Version Date 2024-02-28
Entry Detail
PDB ID:
4JIK
Keywords:
TRANSFERASE/TRANSFERASE INHIBITOR
Title:
X-RAY Crystal structure of compound 22a (R)-2-(4-chlorophenyl)-8-(piperidin-3-ylamino)imidazo[1,2-c]pyrimidine-5-carboxamide bound to human chk1 kinase domain
Biological Source:
Source Organism:
Homo sapiens (Taxon ID: 9606)
Host Organism:
Spodoptera frugiperda
Method Details:
Experimental Method:
X-RAY DIFFRACTION
Resolution:
1.90 Å
R-Value Free:
0.23
R-Value Work:
0.21
R-Value Observed:
0.21
Space Group:
P 1 21 1
4JIK validation report
Macromolecular Entities
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Serine/threonine-protein kinase Chk1
Gene (Uniprot):CHEK1
Chain IDs:A
Chain Length:273
Number of Molecules:1
Biological Source:Homo sapiens
UniProt ID:O14757 Pfam ID:PF00069 EC:2.7.11.1
Ligand Molecules
1KO
Primary Citation
Potency switch between CHK1 and MK2: discovery of imidazo[1,2-a]pyrazine- and imidazo[1,2-c]pyrimidine-based kinase inhibitors.
Bioorg.Med.Chem.Lett. 23 2863 2867 (2013)
PMID: 23587425 DOI: 10.1016/j.bmcl.2013.03.100

Abstact

Chemistry has been developed to access both imidazo[1,2-a]pyrazines and imidazo[1,2-c]pyrimidines. Small structural modifications in both series led to a switch of potency between two kinases involved in mediating cell cycle checkpoint control, CHK1 and MK2.

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Protein

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Disease

Primary Citation of related structures
4JIK
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