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The success of 3D-LBVS is affected by the overlay of molecular pairs, thus making selection of the template compound, search of accessible conformational space and choice of the query conformation to be potential factors that modulate the successful retrieval of actives. This study examines the impact of adopting different choices for the query conformation of the template, paying also attention to the influence exerted by the structural similarity between templates and actives. The analysis is performed using PharmScreen, a 3D LBVS tool that relies on similarity measurements of the hydrophobic\/philic pattern of molecules, and Phase Shape, which is based on the alignment of atom triplets followed by refinement of the volume overlap. The study is performed for the original DUD-E<jats:sup>+<\/jats:sup> database and a Morgan Fingerprint filtered version (denoted DUD-E<jats:sup>+<\/jats:sup>-Diverse; available in <jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"https:\/\/github.com\/Pharmacelera\/Query-models-to-3DLBVS\">https:\/\/github.com\/Pharmacelera\/Query-models-to-3DLBVS<\/jats:ext-link>), which was prepared to minimize the 2D resemblance between template and actives. Although in most cases the query conformation exhibits a mild influence on the overall performance, a critical analysis is made to disclose factors, such as the content of structural features between template and actives and the induction of conformational strain in the template, that underlie the drastic impact of the query definition in the recovery of actives for certain targets. The findings of this research also provide valuable guidance for assisting the selection of the query definition in 3D LBVS campaigns.<\/jats:p>\n                <jats:p><jats:bold>Graphical Abstract<\/jats:bold><\/jats:p>","DOI":"10.1007\/s10822-024-00561-5","type":"journal-article","created":{"date-parts":[[2024,4,4]],"date-time":"2024-04-04T04:07:37Z","timestamp":1712203657000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["On the relevance of query definition in the performance of 3D ligand-based virtual screening"],"prefix":"10.1007","volume":"38","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4400-6378","authenticated-orcid":false,"given":"Javier","family":"V\u00e1zquez","sequence":"first","affiliation":[]},{"given":"Ricardo","family":"Garc\u00eda","sequence":"additional","affiliation":[]},{"given":"Paula","family":"Llinares","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8049-3567","authenticated-orcid":false,"given":"F. 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