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Label-Free Imaging of Lipid Storage Dynamics in Caenorhabditis elegans using Stimulated Raman Scattering Microscopy
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Does one plus one always equal two? Structural differences between nesfatin-1, -2, and nesfatin-1/2.

Rafał Lenda1, Michał Padjasek2, Artur Krężel2

  • 1Department of Biochemistry, Molecular Biology and Biotechnology, Faculty of Chemistry, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370, Wrocław, Poland.

Cell Communication and Signaling : CCS
|October 25, 2022
PubMed
Summary
This summary is machine-generated.

Human nesfatin-1 is intrinsically disordered, while nesfatin-2 and nesfatin-1/2 are globular. Zn(II) induces structurization in nesfatin-1 and destabilizes nesfatin-2/1/2, revealing peptide interdependence.

Keywords:
HormoneIDPIntrinsically disordered proteinMetalloproteinNesfatin-1Nesfatin-2NeuropeptideNucleobindin-2Satiety moleculeZinc

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Area of Science:

  • Biochemistry
  • Molecular Biology
  • Structural Biology

Background:

  • Nesfatin-1 and nesfatin-2 are derived from Nucleobindin-2 proteolysis.
  • Nesfatin-1 is implicated in energy homeostasis, neurodegeneration, and carcinogenesis.
  • The function of nesfatin-2 and the molecular properties of these peptides remain largely uncharacterized.

Discussion:

  • Zn(II) induces concentration-dependent structurization, compaction, and oligomerization of intrinsically disordered nesfatin-1.
  • Zn(II) treatment destabilizes the globular structures of nesfatin-2 and the combined nesfatin-1/2.
  • The molecular properties of nesfatin-1/2 suggest interdependence between nesfatin-1 and nesfatin-2.

Key Insights:

  • Human nesfatin-1 exhibits characteristics of intrinsically disordered proteins.
  • Human nesfatin-2 and nesfatin-1/2 possess globular structures with intrinsically disordered regions.
  • Metal ion interactions, specifically with Zn(II), significantly alter nesfatin structures and behavior.

Outlook:

  • Further investigation into the structure-function relationships of nesfatins is warranted.
  • Understanding nesfatin-Zn(II) interactions may elucidate their roles in physiological processes.
  • The interdependent nature of nesfatin-1 and -2 suggests complex regulatory mechanisms.