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-Structure paper
| タイトル | Structures of synaptic vesicle protein 2A and 2B bound to anticonvulsants. |
|---|---|
| ジャーナル・号・ページ | Nat Struct Mol Biol, Vol. 31, Issue 12, Page 1964-1974, Year 2024 |
| 掲載日 | 2024年6月19日 |
著者 | Anshumali Mittal / Matthew F Martin / Elena J Levin / Christopher Adams / Meng Yang / Laurent Provins / Adrian Hall / Martin Procter / Marie Ledecq / Alexander Hillisch / Christian Wolff / Michel Gillard / Peter S Horanyi / Jonathan A Coleman / ![]() |
| PubMed 要旨 | Epilepsy is a common neurological disorder characterized by abnormal activity of neuronal networks, leading to seizures. The racetam class of anti-seizure medications bind specifically to a membrane ...Epilepsy is a common neurological disorder characterized by abnormal activity of neuronal networks, leading to seizures. The racetam class of anti-seizure medications bind specifically to a membrane protein found in the synaptic vesicles of neurons called synaptic vesicle protein 2 (SV2) A (SV2A). SV2A belongs to an orphan subfamily of the solute carrier 22 organic ion transporter family that also includes SV2B and SV2C. The molecular basis for how anti-seizure medications act on SV2s remains unknown. Here we report cryo-electron microscopy structures of SV2A and SV2B captured in a luminal-occluded conformation complexed with anticonvulsant ligands. The conformation bound by anticonvulsants resembles an inhibited transporter with closed luminal and intracellular gates. Anticonvulsants bind to a highly conserved central site in SV2s. These structures provide blueprints for future drug design and will facilitate future investigations into the biological function of SV2s. |
リンク | Nat Struct Mol Biol / PubMed:38898101 |
| 手法 | EM (単粒子) |
| 解像度 | 3.2 - 3.8 Å |
| 構造データ | EMDB-42430, PDB-8uo8: EMDB-42431, PDB-8uo9: EMDB-42432, PDB-8uoa: |
| 化合物 | ![]() ChemComp-NAG: ![]()
ChemComp-X3U: ![]() ChemComp-PS1: ![]() ChemComp-9Z9: ![]() ChemComp-43Y: ![]() ChemComp-Y01: ![]() ChemComp-HOH: ![]()
ChemComp-X49: |
| 由来 |
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キーワード | TRANSPORT PROTEIN / Synaptic vesicle / SLC22 / Inhibitor / Antiepileptic / Nanobody / AEDs |
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