Evidence map›Paper›PMID 36677562›Full record

ArticleMolecules (Basel, Switzerland)2023

Modeling Light-Induced Chromophore Hydration in the Reversibly Photoswitchable Fluorescent Protein Dreiklang.

Bella L Grigorenko, Igor V Polyakov, Alexander V Nemukhin

Abstract read
In one paragraph

Article in Molecules (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing 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

2 citing papers in PubMed.

  1. Article
  2. Article
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

3 authors.

Bella L GrigorenkoDepartment of Chemistry, M.V. Lomonosov Moscow State University, Moscow 119991, Russia.ORCID 0000-0003-1372-4692
Igor V PolyakovDepartment of Chemistry, M.V. Lomonosov Moscow State University, Moscow 119991, Russia.
Alexander V NemukhinDepartment of Chemistry, M.V. Lomonosov Moscow State University, Moscow 119991, Russia.ORCID 0000-0002-4992-6029

Funding

Russian Science Foundation 22-13-00012
6 · The paper itself

Abstract

We report the results of a computational study of the mechanism of the light-induced chemical reaction of chromophore hydration in the fluorescent protein Dreiklang, responsible for its switching from the fluorescent ON-state to the dark OFF-state. We explore the relief of the charge-transfer excited-state potential energy surface in the ON-state to locate minimum energy conical intersection points with the ground-state energy surface. Simulations of the further evolution of model systems allow us to characterize the ground-state reaction intermediate tentatively suggested in the femtosecond studies of the light-induced dynamics in Dreiklang and finally to arrive at the reaction product. The obtained results clarify the details of the photoswitching mechanism in Dreiklang, which is governed by the chemical modification of its chromophore.

Indexed as

Luminescent ProteinsGreen Fluorescent ProteinsGreen Fluorescent ProteinsLuminescent Proteinsconical intersection pointsexcited-state propertiesfluorescent proteinshydration reactionmolecular modelingphotoswitchingprotein DreiklangQM/MMquantum chemistry

Identifiers

PMID36677562
PMCPMC9863226

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.