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-Structure paper
| タイトル | The NCR1 transporter is an antimalarial target that exports cholesterol from the parasite's plasma membrane. |
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| ジャーナル・号・ページ | Sci Adv, Vol. 10, Issue 51, Page eadq6651, Year 2024 |
| 掲載日 | 2024年12月20日 |
著者 | Zhemin Zhang / Meinan Lyu / Xu Han / Sepalika Bandara / Meng Cui / Eva S Istvan / Xinran Geng / Marios L Tringides / William D Gregor / Masaru Miyagi / Jenna Oberstaller / John H Adams / Youwei Zhang / Marvin T Nieman / Johannes von Lintig / Daniel E Goldberg / Edward W Yu / ![]() |
| PubMed 要旨 | Malaria, a devastating parasitic infection, is the leading cause of death in many developing countries. Unfortunately, the most deadliest causative agent of malaria, , has developed resistance to ...Malaria, a devastating parasitic infection, is the leading cause of death in many developing countries. Unfortunately, the most deadliest causative agent of malaria, , has developed resistance to nearly all currently available antimalarial drugs. The Niemann-Pick type C1-related (PfNCR1) transporter has been identified as a druggable target, but its structure and detailed molecular mechanism are not yet available. Here, we present three structures of PfNCR1 with and without the functional inhibitor MMV009108 at resolutions between 2.98 and 3.81 Å using single-particle cryo-electron microscopy (cryo-EM), suggesting that PfNCR1 binds cholesterol and forms a cholesterol transport tunnel to modulate the composition of the parasite plasma membrane. Cholesterol efflux assays show that PfNCR1 is an exporter capable of extruding cholesterol from the membrane. Additionally, the inhibition mechanism of MMV009108 appears to be due to a direct blockage of PfNCR1, preventing this transporter from shuttling cholesterol. |
リンク | Sci Adv / PubMed:39693420 / PubMed Central |
| 手法 | EM (単粒子) |
| 解像度 | 2.98 - 3.81 Å |
| 構造データ | EMDB-42854, PDB-8v0g: EMDB-42878, PDB-8v12: EMDB-42885, PDB-8v1g: |
| 化合物 | ![]() ChemComp-CLR: ![]() ChemComp-NAG: ![]()
ChemComp-Y6F: |
| 由来 |
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キーワード | MEMBRANE PROTEIN / Niemann-Pick type C1-related protein / NCR1 / cholesterol transporter / plasmodium falciparum |
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