Evidence map›Paper›PMID 31127411›Full record

ArticleJournal of cheminformatics2019

Gypsum-DL: an open-source program for preparing small-molecule libraries for structure-based virtual screening.

Patrick J Ropp, Jacob O Spiegel, Jennifer L Walker, Harrison Green, Guillermo A Morales, Katherine A Milliken, John J Ringe, Jacob D Durrant

Abstract read
In one paragraph

Article in Journal of cheminformatics, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 48 papers.

0numbers the graph read from it
0cells of the map it votes in
48citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

48 citing papers in PubMed.

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  16. Accelerating Ligand Discovery for Insect Odorant Receptors.International journal of biological sciences · 2025
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors.

Patrick J RoppDepartment of Biological Sciences, University of Pittsburgh, Pittsburgh, PA, 15260, USA.
Jacob O SpiegelDepartment of Biological Sciences, University of Pittsburgh, Pittsburgh, PA, 15260, USA.
Jennifer L WalkerDepartment of Biological Sciences, University of Pittsburgh, Pittsburgh, PA, 15260, USA.
Harrison GreenDepartment of Biological Sciences, University of Pittsburgh, Pittsburgh, PA, 15260, USA.
Guillermo A MoralesDepartment of Chemistry and Chemical Biology, Indiana University-Purdue University Indianapolis, Indianapolis, IN, 46202, USA.
Katherine A MillikenDepartment of Biological Sciences, University of Pittsburgh, Pittsburgh, PA, 15260, USA.
John J RingeDepartment of Biological Sciences, University of Pittsburgh, Pittsburgh, PA, 15260, USA.
Jacob D DurrantDepartment of Biological Sciences, University of Pittsburgh, Pittsburgh, PA, 15260, USA. durrantj@pitt.edu.ORCID http://orcid.org/0000-0002-5808-4097

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Computational techniques such as structure-based virtual screening require carefully prepared 3D models of potential small-molecule ligands. Though powerful, existing commercial programs for virtual-library preparation have restrictive and/or expensive licenses. Freely available alternatives, though often effective, do not fully account for all possible ionization, tautomeric, and ring-conformational variants. We here present Gypsum-DL, a free, robust open-source program that addresses these challenges. As input, Gypsum-DL accepts virtual compound libraries in SMILES or flat SDF formats. For each molecule in the virtual library, it enumerates appropriate ionization, tautomeric, chiral, cis/trans isomeric, and ring-conformational forms. As output, Gypsum-DL produces an SDF file containing each molecular form, with 3D coordinates assigned. To demonstrate its utility, we processed 1558 molecules taken from the NCI Diversity Set VI and 56,608 molecules taken from a Distributed Drug Discovery (D3) combinatorial virtual library. We also used 4463 high-quality protein-ligand complexes from the PDBBind database to show that Gypsum-DL processing can improve virtual-screening pose prediction. Gypsum-DL is available free of charge under the terms of the Apache License, Version 2.0.

Indexed as

3D structure generationChemical biologyComputational biologyComputer-aided drug discoverySmall-molecule librariesVirtual screening

Identifiers

PMID31127411
PMCPMC6534830

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.