NIH-funded research NIH-funded research

NMR-assisted crystallography to map enzyme active sites and hydrogen atoms

Official title: NMR crystallography: Imaging active site chemistry and protonation states

Funded at University of California Riverside · NIH-11379498 · Data updated 2026-11-12

A patient-facing description of a project using advanced imaging to reveal exact enzyme structures and hydrogen positions that could inform better treatments for diseases linked to Arylsulfatase A deficiency and Cerebroside Sulphatase deficiency.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionUniversity of California Riverside
NIH-funded
Lab location1 site (Riverside, United States)
Project startAugust 1, 2022
Project endJuly 31, 2027
Funding year2026
Award (this year)$443,239
NIH project number5R35GM145369-05
Project IDNIH-11379498 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates are individuals affected by Arylsulfatase A deficiency disease or Cerebroside Sulphatase deficiency disease whose condition could benefit from insights into enzyme chemistry and therapeutic design.

Less likely to help

Patients not connected to enzyme-targeted therapies or where no direct therapeutic development is anticipated may see limited immediate benefit.

What this research studies

This project combines three powerful tools—solid-state NMR, X-ray crystallography, and computer modeling—to map enzyme active sites at atomic detail, including where hydrogens sit. By comparing predicted and measured NMR signals, researchers aim to build precise models of how enzymes work and how to block or modify their activity with therapeutics. The work focuses on PLP-dependent enzymes and beta-lactamases, which are connected to metabolism and antibiotic resistance, with potential implications for drug design. If successful, the findings could guide development of better treatments for related diseases and help overcome drug resistance. The approach is designed to provide a clear, atom-by-atom view of enzyme chemistry that can inform future therapies.

Why it matters

Potential benefit: Could lead to more accurate drug designs and targeted therapies for related diseases by revealing exact enzyme chemistry.

How similar studies have gone: Previous work has shown that combining NMR with X-ray data can accurately identify active-site structures, supporting this approach as promising.

Where this research is happening

  • University of California Riverside
    Riverside, United States
    Active

Researchers

  • Principal investigator: Mueller, Leonard J — University of California Riverside
  • Study coordinator: Mueller, Leonard J

Related research

Other NIH-funded projects on the same topics.

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.