Evidence map›Paper›PMID 26699366›Full record

ArticlePloS one2015

Crystal Structure of Phototoxic Orange Fluorescent Proteins with a Tryptophan-Based Chromophore.

Nadya V Pletneva, Vladimir Z Pletnev, Karen S Sarkisyan, Dmitry A Gorbachev, Evgeny S Egorov, Alexander S Mishin, Konstantin A Lukyanov, Zbigniew Dauter, Sergei Pletnev

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
1.4field-weighted citation impact, top 19% 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

13 citing papers in PubMed, 32 citations in OpenAlex.

  1. Article
  2. Review
  3. Review
  4. Cyan fluorescent proteins derived from mNeonGreen.Protein engineering, design & selection : PEDS · 2022
    Article
  5. Review
  6. Review
  7. Article
  8. Review
  9. Light-induced oxidant production by fluorescent proteins.Free radical biology & medicine · 2018
    Review
  10. Article
  11. Article
  12. Review
  13. Review
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

9 authors at 4 institutions in 2 countries.

Nadya V PletnevaShemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russian Federation.
Vladimir Z PletnevShemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russian Federation.
Karen S SarkisyanShemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russian Federation.
Dmitry A GorbachevShemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russian Federation.
Evgeny S EgorovShemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russian Federation.
Alexander S MishinShemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russian Federation.
Konstantin A LukyanovShemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russian Federation.
Zbigniew DauterSynchrotron Radiation Research Section, Macromolecular Crystallography Laboratory, National Cancer Institute, Argonne, Illinois, United States of America.
Sergei PletnevSynchrotron Radiation Research Section, Macromolecular Crystallography Laboratory, National Cancer Institute, Argonne, Illinois, United States of America.
Institute of Bioorganic Chemistry · RUArgonne National Laboratory · USLeidos Biomedical Research Inc. (United States)Privolzhsky Research Medical University · RU

Funding

Macromolecular Crystallography Research with Synchrotron RadiationZIABC010378 · NCI · DIVISION OF BASIC SCIENCES - NCI · PI DAUTER, ZBIGNIEW · 2009 to 2020
$18.8M
CCR NIH HHS HHSN261200800001CIntramural NIH HHSNCI NIH HHS HHSN261200800001E
6 · The paper itself

Abstract

Phototoxic fluorescent proteins represent a sparse group of genetically encoded photosensitizers that could be used for precise light-induced inactivation of target proteins, DNA damage, and cell killing. Only two such GFP-based fluorescent proteins (FPs), KillerRed and its monomeric variant SuperNova, were described up to date. Here, we present a crystallographic study of their two orange successors, dimeric KillerOrange and monomeric mKillerOrange, at 1.81 and 1.57 Å resolution, respectively. They are the first orange-emitting protein photosensitizers with a tryptophan-based chromophore (Gln65-Trp66-Gly67). Same as their red progenitors, both orange photosensitizers have a water-filled channel connecting the chromophore to the β-barrel exterior and enabling transport of ROS. In both proteins, Trp66 of the chromophore adopts an unusual trans-cis conformation stabilized by H-bond with the nearby Gln159. This trans-cis conformation along with the water channel was shown to be a key structural feature providing bright orange emission and phototoxicity of both examined orange photosensitizers.

Indexed as

Amino Acid SequenceAmino Acid SubstitutionCrystallography, X-RayLuminescent ProteinsModels, MolecularMolecular ConformationMolecular Sequence DataMutagenesisMutationPhotochemical ProcessesPhotosensitizing AgentsProtein ConformationSequence Homology, Amino AcidTryptophanLuminescent ProteinsPhotosensitizing AgentsTryptophan

Identifiers

PMID26699366
PMCPMC4689385
OpenAlexW2339189566

What OpenQuestion holds

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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.