Evidence map›Paper›PMID 26385969›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2015

Local and global structural drivers for the photoactivation of the orange carotenoid protein.

Sayan Gupta, Miklos Guttman, Ryan L Leverenz, Kulyash Zhumadilova, Emily G Pawlowski, Christopher J Petzold, Kelly K Lee, Corie Y Ralston, Cheryl A Kerfeld

Abstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 67 papers.

0numbers the graph read from it
0cells of the map it votes in
67citing 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

67 citing papers in PubMed.

  1. Article
  2. Review
  3. Atomistic simulations reveal the photoactivation mechanism of a carotenoid-binding photoreceptor.Proceedings of the National Academy of Sciences of the United States of America · 2026
    Article
  4. Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Review
  10. Article
  11. Article
  12. Light-induced infrared difference spectroscopy on three different forms of orange carotenoid protein: focus on carotenoid vibrations.Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology · 2023
    Article
  13. Review
  14. Article
  15. Article
  16. Article
  17. Article
  18. Article
  19. Article
  20. Review

7 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

9 authors.

Sayan GuptaPhysical Biosciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720;
Miklos GuttmanDepartment of Medicinal Chemistry, University of Washington, Seattle, WA 98195;
Ryan L LeverenzDepartment of Energy Plant Research Laboratory, Michigan State University, East Lansing, MI 48824;
Kulyash ZhumadilovaSchool of Science and Technology, Nazarbayev University, Astana 010000, Kazakhstan;
Emily G PawlowskiDepartment of Energy Plant Research Laboratory, Michigan State University, East Lansing, MI 48824;
Christopher J PetzoldPhysical Biosciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720;
Kelly K LeeDepartment of Medicinal Chemistry, University of Washington, Seattle, WA 98195;
Corie Y RalstonPhysical Biosciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720;
Cheryl A KerfeldPhysical Biosciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720; Department of Energy Plant Research Laboratory, Michigan State University, East Lansing, MI 48824; Department of Plant and Microbial Biology, University of California, Berkeley, CA 94720; Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI 48824 ckerfeld@lbl.gov.

Funding

ZWITTERION SURFACTANT DDMAB FOR IMPROV STABIL OF PROTEINP41RR001209 · NCRR · STANFORD UNIVERSITY · PI GONZALEZ, ANA M · 1985 to 2011
$38.9M
X-ray Absorption Spectroscopy (XAS) pp.711-759P41GM103393 · NIGMS · STANFORD UNIVERSITY · PI HODGSON, KEITH O · 2012 to 2019
$30.6M
Case Center for Synchrotron BiosciencesP30EB009998 · NIBIB · CASE WESTERN RESERVE UNIVERSITY · PI CHANCE, MARK R · 2009 to 2018
$8.4M
Waters ACQUITY UPLC M-Class with NanoLockSpray ionization sourceR01GM099989 · NIGMS · UNIVERSITY OF WASHINGTON · PI LEE, KELLY KEISEN · 2012 to 2020
$3.5M
Influenza Hemagglutinin: Structure, Dynamics, and Cooperativity During FusionR00GM080352 · NIGMS · UNIVERSITY OF WASHINGTON · PI LEE, KELLY KEISEN · 2009 to 2011
$740k
Investigating the Architecture of HIV Envelope GlycoproteinF32GM097805 · NIGMS · UNIVERSITY OF WASHINGTON · PI GUTTMAN, MIKLOS · 2012 to 2013
$101k
NCRR NIH HHS P41 RR001209NCRR NIH HHS P41RR001209NIBIB NIH HHS P30 EB009998NIBIB NIH HHS P30EB009998NIGMS NIH HHS F32 GM097805NIGMS NIH HHS F32-GM097805NIGMS NIH HHS P41 GM103393NIGMS NIH HHS P41GM103393NIGMS NIH HHS R00 GM080352NIGMS NIH HHS R01 GM099989NIGMS NIH HHS R01-GM099989
6 · The paper itself

Abstract

Photoprotective mechanisms are of fundamental importance for the survival of photosynthetic organisms. In cyanobacteria, the orange carotenoid protein (OCP), when activated by intense blue light, binds to the light-harvesting antenna and triggers the dissipation of excess captured light energy. Using a combination of small angle X-ray scattering (SAXS), X-ray hydroxyl radical footprinting, circular dichroism, and H/D exchange mass spectrometry, we identified both the local and global structural changes in the OCP upon photoactivation. SAXS and H/D exchange data showed that global tertiary structural changes, including complete domain dissociation, occur upon photoactivation, but with alteration of secondary structure confined to only the N terminus of the OCP. Microsecond radiolytic labeling identified rearrangement of the H-bonding network associated with conserved residues and structural water molecules. Collectively, these data provide experimental evidence for an ensemble of local and global structural changes, upon activation of the OCP, that are essential for photoprotection.

Indexed as

Models, MolecularBacterial ProteinsProtein Structure, SecondaryProtein Structure, TertiarySynechocystisBacterial Proteinsorange carotenoid protein, Synechocystishydrogen deuterium exchangeorange carotenoid proteinphotoprotectionSAXSX-ray footprinting

Identifiers

PMID26385969
PMCPMC4611662

What OpenQuestion holds

Textmetadata
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.