Drugging all RAS isoforms with one pocket

Activating mutations in the three human RAS genes, , and , are among the most common oncogenic drivers in human cancers. Covalent KRAS inhibitors, which bind to the switch II pocket in the ‘off state’ of KRAS, represent the first direct KRAS drugs that entered human clinical trials. However, the rem...

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Veröffentlicht in:Future medicinal chemistry 2020-11, Vol.12 (21), p.1911-1923
Hauptverfasser: Kessler, Dirk, Bergner, Andreas, Böttcher, Jark, Fischer, Gerhard, Döbel, Sandra, Hinkel, Melanie, Müllauer, Barbara, Weiss-Puxbaum, Alexander, McConnell, Darryl B
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container_end_page 1923
container_issue 21
container_start_page 1911
container_title Future medicinal chemistry
container_volume 12
creator Kessler, Dirk
Bergner, Andreas
Böttcher, Jark
Fischer, Gerhard
Döbel, Sandra
Hinkel, Melanie
Müllauer, Barbara
Weiss-Puxbaum, Alexander
McConnell, Darryl B
description Activating mutations in the three human RAS genes, , and , are among the most common oncogenic drivers in human cancers. Covalent KRAS inhibitors, which bind to the switch II pocket in the ‘off state’ of KRAS, represent the first direct KRAS drugs that entered human clinical trials. However, the remaining 85% of non-KRAS -driven cancers remain undrugged as do NRAS and HRAS and no drugs targeting the ‘on state’ have been discovered so far. The switch I/II pocket is a second pocket for which the nanomolar inhibitor BI-2852 has been discovered. Here, we elucidate inhibitor binding modes in KRAS, NRAS and HRAS on and off and discuss future strategies to drug all RAS isoforms with this one pocket.
doi_str_mv 10.4155/fmc-2020-0221
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subjects Amino acids
BI-2852
Binding sites
Cell growth
Clinical trials
Drug delivery
GTPase
Isoforms
KRAS
Ligands
Mutation
NMR
Nuclear magnetic resonance
Proteins
Signal transduction
small molecule inhibitors
title Drugging all RAS isoforms with one pocket
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