Evidence map›Paper›PMID 42606910›Full record

ArticlePhysical chemistry chemical physics : PCCP2026

Quantum chemical profiling of the electronic structure and hydrolytic stability of modified ribonucleosides.

Volga Kojasoy, Ronald T Raines

Abstract read
In one paragraph

Article in Physical chemistry chemical physics : PCCP, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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0cells of the map it votes in
0citing 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

0 citing papers in PubMed.

No citing paper in PubMed yet.

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

2 authors.

Volga KojasoyDepartment of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts, 02139, USA. rtraines@mit.edu.
Ronald T RainesDepartment of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts, 02139, USA. rtraines@mit.edu.ORCID http://orcid.org/0000-0001-7164-1719

Funding

RIBONUCLEASES IN CANCER THERAPYR01CA073808 · NCI · UNIVERSITY OF WISCONSIN-MADISON · PI RAINES, RONALD T · 1997 to 2024
$7.3M
Protein ChemistryR35GM148220 · NIGMS · MASSACHUSETTS INSTITUTE OF TECHNOLOGY · PI Ronald T Raines · 2023 to 2026
$2.2M
NCI NIH HHS R01 CA073808NIGMS NIH HHS R35 GM148220
6 · The paper itself

Abstract

Chemical modifications to RNA play essential roles in regulating structure, stability, and biological function, yet a unifying physicochemical framework for understanding how these structural modifications perturb the underlying electronic landscape and influence intrinsic reactivity remains lacking. Here, we apply density functional theory to compute electronic-structure descriptors for a comprehensive set of naturally occurring modified ribonucleosides. By analyzing HOMO-LUMO gaps as measures of global electronic softness and Wiberg bond indices as local descriptors of glycosidic bond strength, we establish systematic relationships linking stereoelectronic substitution patterns and nucleobase π-conjugation to molecular reactivity and hydrolytic stability. We find that sulfur and selenium incorporation and major-groove substitutions tend to narrow HOMO-LUMO gaps and weaken glycosidic bonds, whereas C-glycosides (as in pseudouridines) confer electronic stabilization. These results reveal physical principles governing the intrinsic reactivity of modified RNA building blocks and provide a predictive framework for anticipating modification-dependent behavior relevant to RNA stability, degradation, and next-generation sequencing technologies used to characterize the epitranscriptome.

Indexed as

Quantum TheoryRibonucleosidesDensity Functional TheoryElectronsHydrolysisRibonucleosides

Identifiers

PMID42606910
PMCPMC13480422

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.