Drugging an undruggable pocket on KRAS
Abstract
The 3 human RAS genes, KRAS, NRAS, and HRAS, encode 4 different RAS proteins which belong to the protein family of small GTPases that function as binary molecular switches involved in cell signaling. Activating mutations in RAS are among the most common oncogenic drivers in human cancers, with KRAS being the most frequently mutated oncogene. Although KRAS is an excellent drug discovery target for many cancers, and despite decades of research, no therapeutic agent directly targeting RAS has been clinically approved. Using structure-based drug design, we have discovered BI-2852 (1), a KRAS inhibitor that binds with nanomolar affinity to a pocket, thus far perceived to be “undruggable,” between switch I and II on RAS; 1 is mechanistically distinct from covalent KRASG12C inhibitors because it binds to a different pocket present in both the active and inactive forms of KRAS. In doing so, it blocks all GEF, GAP, and effector interactions with KRAS, leading to inhibition of downstream signaling and an antiproliferative effect in the low micromolar range in KRAS mutant cells. These findings clearly demonstrate that this so-called switch I/II pocket is indeed druggable and provide the scientific community with a chemical probe that simultaneously targets the active and inactivemore »
- Authors:
-
more »
- Boehringer Ingelheim Regional Center Vienna GmbH & Co KG (Austria)
- Vanderbilt Univ. School of Medicine, Nashville, TN (United States)
- Boehringer Ingelheim Pharma GmbH & Co KG (Germany)
- Vanderbilt Univ. School of Medicine, Nashville, TN (United States); Vanderbilt Univ., Nashville, TN (United States)
- Publication Date:
- Research Org.:
- Argonne National Laboratory (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
- Sponsoring Org.:
- National Institutes of Health (NIH); National Cancer Institute (NCI); Lustgarten Foundation for Pancreatic Cancer Research; Austrian Forschungsförderungsgesellschaft (FFG); USDOE Office of Science (SC)
- OSTI Identifier:
- 1593440
- Grant/Contract Number:
- P50A095103; RC2CA148375; 854341; 861507; AC02-06CH11357; P30CA68485
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Proceedings of the National Academy of Sciences of the United States of America
- Additional Journal Information:
- Journal Volume: 116; Journal Issue: 32; Journal ID: ISSN 0027-8424
- Publisher:
- National Academy of Sciences
- Country of Publication:
- United States
- Language:
- ENGLISH
- Subject:
- 60 APPLIED LIFE SCIENCES; KRAS; NMR; oncology; structure-based drug design; fragment-based drug design
Citation Formats
Kessler, Dirk, Gmachl, Michael, Mantoulidis, Andreas, Martin, Laetitia J., Zoephel, Andreas, Mayer, Moriz, Gollner, Andreas, Covini, David, Fischer, Silke, Gerstberger, Thomas, Gmaschitz, Teresa, Goodwin, Craig, Greb, Peter, Häring, Daniela, Hela, Wolfgang, Hoffmann, Johann, Karolyi-Oezguer, Jale, Knesl, Petr, Kornigg, Stefan, Koegl, Manfred, Kousek, Roland, Lamarre, Lyne, Moser, Franziska, Munico-Martinez, Silvia, Peinsipp, Christoph, Phan, Jason, Rinnenthal, Jörg, Sai, Jiqing, Salamon, Christian, Scherbantin, Yvonne, Schipany, Katharina, Schnitzer, Renate, Schrenk, Andreas, Sharps, Bernadette, Siszler, Gabriella, Sun, Qi, Waterson, Alex, Wolkerstorfer, Bernhard, Zeeb, Markus, Pearson, Mark, Fesik, Stephen W., and McConnell, Darryl B. Drugging an undruggable pocket on KRAS. United States: N. p., 2019.
Web. doi:10.1073/pnas.1904529116.
Kessler, Dirk, Gmachl, Michael, Mantoulidis, Andreas, Martin, Laetitia J., Zoephel, Andreas, Mayer, Moriz, Gollner, Andreas, Covini, David, Fischer, Silke, Gerstberger, Thomas, Gmaschitz, Teresa, Goodwin, Craig, Greb, Peter, Häring, Daniela, Hela, Wolfgang, Hoffmann, Johann, Karolyi-Oezguer, Jale, Knesl, Petr, Kornigg, Stefan, Koegl, Manfred, Kousek, Roland, Lamarre, Lyne, Moser, Franziska, Munico-Martinez, Silvia, Peinsipp, Christoph, Phan, Jason, Rinnenthal, Jörg, Sai, Jiqing, Salamon, Christian, Scherbantin, Yvonne, Schipany, Katharina, Schnitzer, Renate, Schrenk, Andreas, Sharps, Bernadette, Siszler, Gabriella, Sun, Qi, Waterson, Alex, Wolkerstorfer, Bernhard, Zeeb, Markus, Pearson, Mark, Fesik, Stephen W., & McConnell, Darryl B. Drugging an undruggable pocket on KRAS. United States. https://doi.org/10.1073/pnas.1904529116
Kessler, Dirk, Gmachl, Michael, Mantoulidis, Andreas, Martin, Laetitia J., Zoephel, Andreas, Mayer, Moriz, Gollner, Andreas, Covini, David, Fischer, Silke, Gerstberger, Thomas, Gmaschitz, Teresa, Goodwin, Craig, Greb, Peter, Häring, Daniela, Hela, Wolfgang, Hoffmann, Johann, Karolyi-Oezguer, Jale, Knesl, Petr, Kornigg, Stefan, Koegl, Manfred, Kousek, Roland, Lamarre, Lyne, Moser, Franziska, Munico-Martinez, Silvia, Peinsipp, Christoph, Phan, Jason, Rinnenthal, Jörg, Sai, Jiqing, Salamon, Christian, Scherbantin, Yvonne, Schipany, Katharina, Schnitzer, Renate, Schrenk, Andreas, Sharps, Bernadette, Siszler, Gabriella, Sun, Qi, Waterson, Alex, Wolkerstorfer, Bernhard, Zeeb, Markus, Pearson, Mark, Fesik, Stephen W., and McConnell, Darryl B. Mon .
"Drugging an undruggable pocket on KRAS". United States. https://doi.org/10.1073/pnas.1904529116. https://www.osti.gov/servlets/purl/1593440.
@article{osti_1593440,
title = {Drugging an undruggable pocket on KRAS},
author = {Kessler, Dirk and Gmachl, Michael and Mantoulidis, Andreas and Martin, Laetitia J. and Zoephel, Andreas and Mayer, Moriz and Gollner, Andreas and Covini, David and Fischer, Silke and Gerstberger, Thomas and Gmaschitz, Teresa and Goodwin, Craig and Greb, Peter and Häring, Daniela and Hela, Wolfgang and Hoffmann, Johann and Karolyi-Oezguer, Jale and Knesl, Petr and Kornigg, Stefan and Koegl, Manfred and Kousek, Roland and Lamarre, Lyne and Moser, Franziska and Munico-Martinez, Silvia and Peinsipp, Christoph and Phan, Jason and Rinnenthal, Jörg and Sai, Jiqing and Salamon, Christian and Scherbantin, Yvonne and Schipany, Katharina and Schnitzer, Renate and Schrenk, Andreas and Sharps, Bernadette and Siszler, Gabriella and Sun, Qi and Waterson, Alex and Wolkerstorfer, Bernhard and Zeeb, Markus and Pearson, Mark and Fesik, Stephen W. and McConnell, Darryl B.},
abstractNote = {The 3 human RAS genes, KRAS, NRAS, and HRAS, encode 4 different RAS proteins which belong to the protein family of small GTPases that function as binary molecular switches involved in cell signaling. Activating mutations in RAS are among the most common oncogenic drivers in human cancers, with KRAS being the most frequently mutated oncogene. Although KRAS is an excellent drug discovery target for many cancers, and despite decades of research, no therapeutic agent directly targeting RAS has been clinically approved. Using structure-based drug design, we have discovered BI-2852 (1), a KRAS inhibitor that binds with nanomolar affinity to a pocket, thus far perceived to be “undruggable,” between switch I and II on RAS; 1 is mechanistically distinct from covalent KRASG12C inhibitors because it binds to a different pocket present in both the active and inactive forms of KRAS. In doing so, it blocks all GEF, GAP, and effector interactions with KRAS, leading to inhibition of downstream signaling and an antiproliferative effect in the low micromolar range in KRAS mutant cells. These findings clearly demonstrate that this so-called switch I/II pocket is indeed druggable and provide the scientific community with a chemical probe that simultaneously targets the active and inactive forms of KRAS},
doi = {10.1073/pnas.1904529116},
journal = {Proceedings of the National Academy of Sciences of the United States of America},
number = 32,
volume = 116,
place = {United States},
year = {Mon Jul 22 00:00:00 EDT 2019},
month = {Mon Jul 22 00:00:00 EDT 2019}
}
Web of Science
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