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| Title | Unveiling conformation-selective regulation of the norepinephrine transporter. |
|---|---|
| Journal, issue, pages | Cell, Vol. 188, Issue 24, Page 6861-6872.e14, Year 2025 |
| Publish date | Nov 26, 2025 |
Authors | Heng Zhang / Tianwei Zhang / Dingyan Wang / Antao Dai / Jianhang Mao / Qihui Chen / Tianyuan Du / Xue Lu / Yongxin Hao / Chao Zhang / Yu-Ling Yin / Wen Hu / Benxun Pan / Sanshan Jin / Mengting Jiang / Yuan Si / Qingning Yuan / Ming-Wei Wang / Mingyue Zheng / Zhen Wang / Dehua Yang / H Eric Xu / Yi Jiang / ![]() |
| PubMed Abstract | The norepinephrine transporter (NET) plays a crucial role in synaptic neurotransmission and is implicated in major depression and attention-deficit/hyperactivity disorders, yet our understanding of ...The norepinephrine transporter (NET) plays a crucial role in synaptic neurotransmission and is implicated in major depression and attention-deficit/hyperactivity disorders, yet our understanding of its allosteric, conformation-selective regulation-crucial for developing targeted therapeutics-remains limited. Through cryo-electron microscopy analysis of NET complexes with levomilnacipran, vanoxerine, and vilazodone, we identify a previously undefined allosteric site within NET's inner vestibule that enables conformation-selective regulation. This discovery introduces a "valve model," in which specific residues partition the cytoplasmic cavity into distinct chambers, determining inhibitor binding specificity. Leveraging this structural insight through virtual screening, we identify a set of inhibitors with potent NET inhibitory activity and demonstrate their antidepressant effects. Moreover, our structural identification of inhibitor occupancy at this conformation-selective site defines a mechanistic framework for targeted therapeutic intervention. These findings advance our understanding of NET allosteric modulation, providing a structure-guided framework for developing next-generation antidepressants targeting the inward-open conformation of NET for the treatment of neuropsychiatric disorders. |
External links | Cell / PubMed:41138730 |
| Methods | EM (single particle) |
| Resolution | 2.44 - 3.13 Å |
| Structure data | EMDB-62267, PDB-9kda: EMDB-62276, PDB-9kdh: EMDB-62281, PDB-9kdm: EMDB-62289, PDB-9ke3: |
| Chemicals | ![]() ChemComp-YG7: ![]() ChemComp-CLR: ![]() PDB-1efm: ![]() ChemComp-HOH: ![]() PDB-1d5s: ![]() ChemComp-F0F: ![]() PDB-1efr: |
| Source |
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Keywords | PROTON TRANSPORT / Complex / TRANSPORT PROTEIN |
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homo sapiens (human)
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