{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,3]],"date-time":"2026-09-03T17:17:32Z","timestamp":1788455852513,"version":"build-2803163510"},"reference-count":126,"publisher":"American Chemical Society (ACS)","issue":"34","license":[{"start":{"date-parts":[[2026,8,24]],"date-time":"2026-08-24T00:00:00Z","timestamp":1787529600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,9,2]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Certain proteins known to be involved in life-threatening diseases have remained challenging therapeutic targets for decades, simply because a suitable binding pocket for a potent molecular inhibitor could not be identified in their ground-state apo structures. In the past decade, the discovery of cryptic pockets in challenging targets like KRAS and Werner helicase has proven to be a major turning point for therapeutic development. However, the alternate protein conformations required for these cryptic pockets to exist were only revealed by experiments conducted in the presence of ligands that can bind to them. Time-consuming and expensive experiments currently used to uncover these biologically rare events could be usefully complemented by a computational method capable of reliably identifying cryptic pockets. We have previously shown that aqueous and mixed-solvent Weighted Ensemble molecular dynamics (WEMD) simulations, driven by normal modes representing the direction of the most collective motion of a protein, can predict known cryptic pockets in the KRAS oncoprotein. Here, we evaluate this cryptic pocket detection technique on a data set of diverse proteins and show that it successfully samples cryptic pockets within 2 \u00c5 of the known holo conformation 57% of the time, starting with just the apo structure. The predicted pockets in the most holo-like conformations show at least 20%, 50%, and 80% volume overlap with the bound ligand in the holo structure, with success rates of 92%, 84%, and 46%, respectively. We also show that we can successfully rank candidate pockets from WEMD using our pocket ligandability prediction model, Target X.<\/jats:p>","DOI":"10.1021\/jacs.6c05778","type":"journal-article","created":{"date-parts":[[2026,8,31]],"date-time":"2026-08-31T16:21:04Z","timestamp":1788193264000},"page":"36594-36609","source":"Crossref","is-referenced-by-count":0,"title":["Enhanced Sampling and\nLigandability Assessment to\nExpand the Repertoire of Potentially Druggable Cryptic Pockets"],"prefix":"10.1021","volume":"148","author":[{"given":"Neha","family":"Vithani","sequence":"first","affiliation":[{"name":"OpenEye, Cadence Molecular Sciences , , ,","place":["Santa Fe, New Mexico, United States, 87508"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"She","family":"Zhang","sequence":"additional","affiliation":[{"name":"OpenEye, Cadence Molecular Sciences , , ,","place":["Santa Fe, New Mexico, United States, 87508"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5794-8984","authenticated-orcid":true,"given":"Judith","family":"Gu\u0308nther","sequence":"additional","affiliation":[{"name":"Bayer AG , , ,","place":["Berlin, Germany, 13353"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8570-364X","authenticated-orcid":true,"given":"Hans","family":"Purkey","sequence":"additional","affiliation":[{"name":"Genentech, Inc. , , ,","place":["South San Francisco, California, United States, 94080"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5232-4539","authenticated-orcid":true,"given":"J. David","family":"Lawson","sequence":"additional","affiliation":[{"name":"Khartis Therapeutics, Inc. , ,","place":["San Diego, California, United States, 92121"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anthony","family":"Nicholls","sequence":"additional","affiliation":[{"name":"OpenEye, Cadence Molecular Sciences , , ,","place":["Santa Fe, New Mexico, United States, 87508"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A. Geoffrey","family":"Skillman","sequence":"additional","affiliation":[{"name":"OpenEye, Cadence Molecular Sciences , , ,","place":["Santa Fe, New Mexico, United States, 87508"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0979-800X","authenticated-orcid":true,"given":"David N.","family":"LeBard","sequence":"additional","affiliation":[{"name":"OpenEye, Cadence Molecular Sciences , , ,","place":["Santa Fe, New Mexico, United States, 87508"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"316","published-online":{"date-parts":[[2026,8,24]]},"reference":[{"key":"2026090312092264800_cit1","doi-asserted-by":"publisher","first-page":"502","DOI":"10.1038\/nrc.2017.36","article-title":"Drugging the\u2019undruggable\u2019cancer\ntargets","volume":"17","author":"Dang","year":"2017","journal-title":"Nat. Rev. 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Opin. Struct. Biol."},{"key":"2026090312092264800_cit7","doi-asserted-by":"publisher","first-page":"771","DOI":"10.1038\/nrd.2016.139","article-title":"Direct small-molecule inhibitors\nof KRAS: from structural\ninsights to mechanism-based design","volume":"15","author":"Ostrem","year":"2016","journal-title":"Nat. Rev.\nDrug Discovery"},{"key":"2026090312092264800_cit8","doi-asserted-by":"publisher","first-page":"52","DOI":"10.1021\/acs.jmedchem.9b01180","article-title":"Discovery of a Covalent Inhibitor of KRAS G12C (AMG 510)\nfor the Treatment of Solid Tumors","volume":"63","author":"Lanman","year":"2020","journal-title":"J. Med. Chem."},{"issue":"15","key":"2026090312092264800_cit9","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.1711490115","article-title":"Exploring\nthe structural\norigins of cryptic sites on proteins","volume":"115","author":"Beglov","year":"2018","journal-title":"Proc.\nNatl. Acad. Sci. U. S. 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