Evidence map›Paper›PMID 26063437›Full record

ArticleScientific reports2015

Identification of the Conformational transition pathway in PIP2 Opening Kir Channels.

Junwei Li, Shouqin Lü, Yuzhi Liu, Chunli Pang, Yafei Chen, Suhua Zhang, Hui Yu, Mian Long, Hailin Zhang, Diomedes E Logothetis and 2 more

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
1.8field-weighted citation impact, top 15% 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

18 citing papers in PubMed, 30 citations in OpenAlex.

  1. Review
  2. Article
  3. Atomistic mechanisms of the regulation of small-conductance CaProceedings of the National Academy of Sciences of the United States of America · 2024
    Article
  4. Targeting the ICirculation research · 2024
    Article
  5. The network of cardiac KNaunyn-Schmiedeberg's archives of pharmacology · 2024
    Review
  6. Article
  7. Specificities of Protein Homology Modeling for Allosteric Drug Design.Methods in molecular biology (Clifton, N.J.) · 2023
    Article
  8. Article
  9. Development of IFrontiers in pharmacology · 2021
    Article
  10. Simulating PIPFrontiers in molecular biosciences · 2021
    Article
  11. Article
  12. Computer simulations of protein-membrane systems.Progress in molecular biology and translational science · 2020
    Article
  13. Review
  14. Article
  15. Article
  16. Observational
  17. Article
  18. 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

12 authors at 7 institutions in 2 countries.

Junwei LiKey Laboratory of Molecular Biophysics, Hebei Province, Institute of Biophysics, School of Sciences, Hebei University of Technology, Tianjin 300401, China.
Shouqin LüCenter of Biomechanics and Bioengineering and Key Laboratory of Microgravity (National Microgravity Laboratory), Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China.
Yuzhi LiuSchool of Electrical and Electronics Engineering, Shijiazhuang Tiedao University, Shijiazhuang 050043, China.
Chunli PangKey Laboratory of Molecular Biophysics, Hebei Province, Institute of Biophysics, School of Sciences, Hebei University of Technology, Tianjin 300401, China.
Yafei ChenKey Laboratory of Molecular Biophysics, Hebei Province, Institute of Biophysics, School of Sciences, Hebei University of Technology, Tianjin 300401, China.
Suhua ZhangKey Laboratory of Molecular Biophysics, Hebei Province, Institute of Biophysics, School of Sciences, Hebei University of Technology, Tianjin 300401, China.
Hui YuKey Laboratory of Molecular Biophysics, Hebei Province, Institute of Biophysics, School of Sciences, Hebei University of Technology, Tianjin 300401, China.
Mian LongCenter of Biomechanics and Bioengineering and Key Laboratory of Microgravity (National Microgravity Laboratory), Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China.
Hailin ZhangKey Laboratory of Neural and Vascular Biology, Ministry of Education, The Key Laboratory of Pharmacology and Toxicology for New Drug, Hebei Province, Department of Pharmacology, Hebei Medical University, Shijiazhuang 050017, China.
Diomedes E LogothetisDepartment of Physiology and Biophysics, School of Medicine, Virginia Commonwealth University, Richmond, Virginia 23298, US.
Yong ZhanKey Laboratory of Molecular Biophysics, Hebei Province, Institute of Biophysics, School of Sciences, Hebei University of Technology, Tianjin 300401, China.
Hailong AnKey Laboratory of Molecular Biophysics, Hebei Province, Institute of Biophysics, School of Sciences, Hebei University of Technology, Tianjin 300401, China.
Hebei University of Technology · CNInstitute of Biophysics · CNChinese Academy of Sciences · CNHebei Medical University · CNInstitute of Mechanics · CNShijiazhuang Tiedao University · CNVirginia Commonwealth University · US

Funding

Structural Determinants of PIP2 RegulationR01HL059949 · NHLBI · VIRGINIA COMMONWEALTH UNIVERSITY · PI Leigh Daniel Plant · 1998 to 2026
$11.6M
NHLBI NIH HHS R01 HL059949
6 · The paper itself

Abstract

The gating of Kir channels depends critically on phosphatidylinositol 4,5-bisphosphate (PIP2), but the detailed mechanism by which PIP2 regulates Kir channels remains obscure. Here, we performed a series of Targeted molecular dynamics simulations on the full-length Kir2.1 channel and, for the first time, were able to achieve the transition from the closed to the open state. Our data show that with the upward motion of the cytoplasmic domain (CTD) the structure of the C-Linker changes from a loop to a helix. The twisting of the C-linker triggers the rotation of the CTD, which induces a small downward movement of the CTD and an upward motion of the slide helix toward the membrane that pulls the inner helix gate open. At the same time, the rotation of the CTD breaks the interaction between the CD- and G-loops thus releasing the G-loop. The G-loop then bounces away from the CD-loop, which leads to the opening of the G-loop gate and the full opening of the pore. We identified a series of interaction networks, between the N-terminus, CD loop, C linker and G loop one by one, which exquisitely regulates the global conformational changes during the opening of Kir channels by PIP2.

Indexed as

AnimalsChickensCrystallography, X-RayIon Channel GatingMiceMolecular Dynamics SimulationPhosphatidylinositol 4,5-DiphosphatePotassium Channels, Inwardly RectifyingProtein FoldingProtein Interaction MapsProtein Structure, TertiaryKir2.1 channelPhosphatidylinositol 4,5-DiphosphatePotassium Channels, Inwardly Rectifying

Identifiers

PMID26063437
PMCPMC4462750
OpenAlexW2276734816

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.