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Crystallizing Membrane Proteins for Structure Determination using Lipidic Mesophases
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Crystal Structure of SAV0927 and Its Functional Implications.

Soyeon Jeong1, Hyo Jung Kim2, Nam-Chul Ha1

  • 1Department of Agricultural Biotechnology, Center for Food Safety and Toxicology, Center for Food and Bioconvergence, Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 08826, Republic of Korea.

Journal of Microbiology and Biotechnology
|February 22, 2019
PubMed
Summary

Researchers determined the crystal structure of SAV0927, a conserved hypothetical protein from antibiotic-resistant Staphylococcus aureus. This structural insight aids in understanding its function and potential role in combating bacterial resistance.

Keywords:
DUF3055MRSASAV0927Staphylococcus aureusX-ray crystallography

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Area of Science:

  • Microbiology
  • Structural Biology
  • Proteomics

Background:

  • Staphylococcus aureus is a significant pathogen causing diverse infections.
  • Antibiotic resistance in S. aureus poses a major global health threat.
  • Many S. aureus genes, including SAV0927, lack defined functions.

Purpose of the Study:

  • To elucidate the structure of the conserved hypothetical protein SAV0927.
  • To provide insights into the function of SAV0927 at the proteomic level.
  • To aid in developing strategies against antibiotic-resistant S. aureus.

Main Methods:

  • X-ray crystallography was used to determine the crystal structure of SAV0927.
  • Protein structure was analyzed at 2.5 Å resolution.
  • Oligomeric state and crystal packing were investigated.

Main Results:

  • The crystal structure of SAV0927 was determined at 2.5 Å resolution.
  • SAV0927 was found to be primarily dimeric in solution and crystals.
  • The crystal packing revealed a linear polymeric arrangement of SAV0927 dimers.

Conclusions:

  • The determined structure of SAV0927 provides a foundation for understanding its biological role.
  • Structural data suggests potential functional implications within a protein network.
  • Further research on SAV0927 may contribute to combating S. aureus infections and resistance.