Evidence map›Paper›PMID 25625196›Full record

ArticleNature communications2015

The ligand binding mechanism to purine nucleoside phosphorylase elucidated via molecular dynamics and machine learning.

Sergio Decherchi, Anna Berteotti, Giovanni Bottegoni, Walter Rocchia, Andrea Cavalli

Open access · goldAbstract read
In one paragraph

Article in Nature communications, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers.

0numbers the graph read from it
0cells of the map it votes in
38citing papers in PubMed
6.8field-weighted citation impact, top 2% of its field
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

38 citing papers in PubMed, 112 citations in OpenAlex.

  1. On Free Energy Calculations in Drug Discovery.Accounts of chemical research · 2025
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  6. International journal of molecular sciences · 2022
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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

5 authors at 1 institution in 1 country.

Sergio Decherchi1] CONCEPT Lab, Istituto Italiano di Tecnologia, via Morego 30, 16163 Genova, Italy [2] BiKi Technologies s.r.l., via XX Settembre 33, 16121 Genova, Italy.
Anna BerteottiCompuNet, Istituto Italiano di Tecnologia, via Morego 30, 16163 Genova, Italy.
Giovanni BottegoniCompuNet, Istituto Italiano di Tecnologia, via Morego 30, 16163 Genova, Italy.
Walter RocchiaCONCEPT Lab, Istituto Italiano di Tecnologia, via Morego 30, 16163 Genova, Italy.
Andrea Cavalli1] CompuNet, Istituto Italiano di Tecnologia, via Morego 30, 16163 Genova, Italy [2] Department of Pharmacy and Biotechnology, University of Bologna, via Belmeloro 6, 40126 Bologna, Italy.
Italian Institute of Technology · IT

Funding

New Generation DelPhi: large systems and beyond electrostaticsR01GM093937 · NIGMS · CLEMSON UNIVERSITY · PI ALEXOV, EMIL GEORGIEV · 2010 to 2023
$4.3M
NIGMS NIH HHS 1R01GM093937-01NIGMS NIH HHS R01 GM093937
6 · The paper itself

Abstract

The study of biomolecular interactions between a drug and its biological target is of paramount importance for the design of novel bioactive compounds. In this paper, we report on the use of molecular dynamics (MD) simulations and machine learning to study the binding mechanism of a transition state analogue (DADMe-immucillin-H) to the purine nucleoside phosphorylase (PNP) enzyme. Microsecond-long MD simulations allow us to observe several binding events, following different dynamical routes and reaching diverse binding configurations. These simulations are used to estimate kinetic and thermodynamic quantities, such as kon and binding free energy, obtaining a good agreement with available experimental data. In addition, we advance a hypothesis for the slow-onset inhibition mechanism of DADMe-immucillin-H against PNP. Combining extensive MD simulations with machine learning algorithms could therefore be a fruitful approach for capturing key aspects of drug-target recognition and binding.

Indexed as

Machine LearningMolecular Dynamics SimulationAlgorithmsCluster AnalysisHumansKineticsLigandsProtein BindingProtein MultimerizationPurine-Nucleoside PhosphorylasePyrimidinonesPyrrolidinesThermodynamicsTime FactorsDADMe-immucillin HLigandsPurine-Nucleoside PhosphorylasePyrimidinonesPyrrolidines

Identifiers

PMID25625196
PMCPMC4308819
OpenAlexW2031314768

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

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.