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This is a In Vitro Study study.

August 18, 2025Nature CommunicationsOpen Access

Molecular basis of ligand binding and receptor activation at the human A3 adenosine receptor

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High-resolution cryo-electron microscopy reveals ligand interactions at A3AR, indicating pathways for selective drug development.

The study uncovers an extensive hydrogen bond network facilitating A3AR activation, highlighting its significance in drug design.
Binding of adenosine, Piclidenoson, and LUF7602 reveals critical functional states, providing insights into receptor behavior.
Utilizing cryogenic electron microscopy, researchers obtained high-resolution structures of A3AR in various states during activation.
Understanding the A3AR's cryptic pocket may lead to more targeted therapies for cancer, glaucoma, and inflammatory diseases.

Zhang et al. (2025) studied this question.

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