Co-crystal structure of Helicobacter pylori biotin protein ligase with biotinyl-5-ATP
2025

Structure of Helicobacter pylori Biotin Protein Ligase with Biotinyl-5-ATP

publication Evidence: high

Author Information

Author(s): Ayanlade Jesuferanmi P., Davis Dylan E., Subramanian Sandhya, Dranow David M., Lorimer Donald D., Hammerson Brad, Myler Peter J., Asojo Oluwatoyin A.

Primary Institution: Dartmouth Cancer Center

Hypothesis

The study investigates the structure of Helicobacter pylori biotin protein ligase (HpBPL) to understand its potential as a drug target.

Conclusion

The study reveals a well-conserved catalytic cavity in HpBPL, suggesting that inhibitors developed for Mycobacterium tuberculosis biotin protein ligase may be repurposed for HpBPL.

Supporting Evidence

  • HpBPL is essential for various metabolic pathways in Helicobacter pylori.
  • The structure of HpBPL was determined at a resolution of 2.25 Å.
  • HpBPL shares significant structural similarity with Mycobacterium tuberculosis biotin protein ligase.

Takeaway

Scientists looked at a protein from a germ that can cause stomach problems and found that it has a special shape that could help make new medicines.

Methodology

The protein was purified, crystallized, and its structure was determined using X-ray crystallography.

Digital Object Identifier (DOI)

10.1107/S2053230X24012056

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