当前位置： SCI文献检索 > JOURNAL OF MOLECULAR MODELING期刊下所有文献 > Structure-based design of nitrogen-linked macrocyclic kinase inhibitors leading to the clinical candidate SB1317/TG02, a potent inhibitor of cyclin dependant kinases (CDKs), Janus kinase 2 (JAK2), and Fms-like tyrosine kinase-3 (FLT3).

Structure-based design of nitrogen-linked macrocyclic kinase inhibitors leading to the clinical candidate SB1317/TG02, a potent inhibitor of cyclin dependant kinases (CDKs), Janus kinase 2 (JAK2), and Fms-like tyrosine kinase-3 (FLT3).

Abstract：

:A high-throughput screen against Aurora A kinase revealed several promising submicromolar pyrimidine-aniline leads. The bioactive conformation found by docking these leads into the Aurora A ATP-binding site had a semicircular shape. Macrocycle formation was proposed to achieve novelty and selectivity via ring-closing metathesis of a diene precursor. The nature of the optimal linker and its size was directed by docking. In a kinase panel screen, selected macrocycles were active on other kinase targets, mainly FLT3, JAK2, and CDKs. These compounds then became leads in a CDK/FLT3/JAK2 inhibitor project. Macrocycles with a basic nitrogen in the linker form a salt bridge with Asp86 in CDK2 and Asp698 in FLT3. Interaction with this residue explains the observed selectivity. The Asp86 residue is conserved in most CDKs, resulting in potent pan-CDK inhibition by these compounds. Optimized macrocycles generally have good DMPK properties, and are efficacious in mouse models of cancer. Compound 5 (SB1317/TG02), a pan-CDK/FLT3/JAK2 inhibitor, was selected for preclinical development, and is now in phase 1 clinical trials.

journal_name

J Mol Model

journal_title

Journal of molecular modeling

authors

Poulsen A,William A,Blanchard S,Nagaraj H,Williams M,Wang H,Lee A,Sun E,Teo EL,Tan E,Goh KC,Dymock B

doi

10.1007/s00894-012-1528-7

subject

Has Abstract

pub_date

2013-01-01 00:00:00

pages

119-30

issue

1

eissn

1610-2940

issn

0948-5023

journal_volume

19

pub_type

杂志文章

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