ISDA

Entry Detail

PDB ID:

2YIT

Keywords:

TRANSFERASE

Title:

Structural analysis of checkpoint kinase 2 in complex with PV1162, a novel inhibitor

Biological Source:

Source Organism:

HOMO SAPIENS

Host Organism:

ESCHERICHIA COLI

PDB Version:

Deposition Date:

2011-05-16

Release Date:

2011-09-07

Method Details:

Experimental Method:

X-RAY DIFFRACTION

Resolution:

2.20 Å

R-Value Free:

0.22

R-Value Work:

0.19

R-Value Observed:

0.19

Space Group:

P 32 2 1

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Macromolecular Entities

Protein Blast

Polymer Type:polypeptide(L)
Description:SERINE/THREONINE-PROTEIN KINASE CHK2
Chain IDs:A
Chain Length:323
Number of Molecules:1
Biological Source:HOMO SAPIENS

UniProt ID:O96017 Pfam ID:PF00069 EC:2.7.11.1

Ligand Molecules

NO3

YIT

Primary Citation

X-Ray Structures of Checkpoint Kinase 2 in Complex with Inhibitors that Target its Gatekeeper-Dependent Hydrophobic Pocket.

Lountos, G.T, Jobson, A.G, Tropea, J.E, Self, C.R, Zhang, G, Pommier, Y, Shoemaker, R.H, Waugh, D.S, Lountos, G.T, Tropea, J.E, Zhang, D, Jobson, A.G, Pommier, Y, Shoemaker, R.H, Waugh, D.S.Show

FEBS Lett. 585 3245 ? (2011)

PMID: 21907711 DOI: 10.1016/J.FEBSLET.2011.08.050

Abstact

The serine/threonine checkpoint kinase 2 (Chk2) is an attractive molecular target for the development of small molecule inhibitors to treat cancer. Here, we report the rational design of Chk2 inhibitors that target the gatekeeper-dependent hydrophobic pocket located behind the adenine-binding region of the ATP-binding site. These compounds exhibit IC(50) values in the low nanomolar range and are highly selective for Chk2 over Chk1. X-ray crystallography was used to determine the structures of the inhibitors in complex with the catalytic kinase domain of Chk2 to verify their modes of binding.

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Primary Citation of related structures