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-Structure paper
| タイトル | Expanding the druggable zinc-finger proteome defines properties of drug-induced degradation. |
|---|---|
| ジャーナル・号・ページ | Mol Cell, Vol. 85, Issue 16, Page 3184-3201.e14, Year 2025 |
| 掲載日 | 2025年8月21日 |
著者 | Mikołaj Słabicki / Jiho Park / Radosław P Nowak / Shourya S Roy Burman / Jesse Pellman / Charles Zou / Hlib Razumkov / Jeannie Carreiro / Simran Rastogi / Anna Goldstein / Marek M Nagiec / Katherine A Donovan / Jianwei Che / Moritz Hunkeler / Qixiang Geng / Chi-Lin Hsu / Megha Lakshminarayan / Chelsea Shu / Rebecca L Zon / Zuzanna Kozicka / Paul M C Park / Jonathan M Tsai / Hojong Yoon / Lyn H Jones / Adam S Sperling / Nathanael S Gray / Eric S Fischer / Benjamin L Ebert / ![]() |
| PubMed 要旨 | Glutarimide analogs, such as thalidomide, redirect the E3 ubiquitin ligase CRL4 to induce degradation of certain zinc finger (ZF) proteins. Although the core structural motif recognized by CRBN has ...Glutarimide analogs, such as thalidomide, redirect the E3 ubiquitin ligase CRL4 to induce degradation of certain zinc finger (ZF) proteins. Although the core structural motif recognized by CRBN has been characterized, it does not fully explain substrate specificity. To explore the role of residues adjacent to this core motif, we constructed a comprehensive ZF reporter library of 9,097 reporters derived from 1,655 human ZF proteins and conducted a library-on-library screen with 29 glutarimide analogs to identify compounds that collectively degrade 38 ZF reporters. Cryo-electron microscopy and crystal structures of ZFs in complex with CRBN revealed the importance of interactions beyond the core ZF degron. We used systematic mutagenesis of ZFs and CRBN to identify modes of neosubstrate recruitment requiring distinct amino acids. Finally, we found subtle chemical variations in glutarimide analogs that alter target scope and selectivity, thus providing a roadmap for their rational design. |
リンク | Mol Cell / PubMed:40845806 / PubMed Central |
| 手法 | EM (単粒子) / X線回折 |
| 解像度 | 2.7 - 4.11 Å |
| 構造データ | EMDB-49892, PDB-9nws: EMDB-49893, PDB-9nwt: ![]() EMDB-72209: Focused cryo-EM map of DDB1dB:CRBN:mezigdomide:SALL4(392-449) ![]() EMDB-72215: Focused cryo-EM map of DDB1dB:CRBN:mezigdomide:SALL4(392-449; G416A) ![]() PDB-9e2u: |
| 化合物 | ![]() ChemComp-RN9: ![]() ChemComp-ZN: ![]() ChemComp-QFC: |
| 由来 |
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キーワード | LIGASE / CRBN / DDB1 / IKZF2 / ALV1 / DEGRADATION / E3 LIGASE / MOLECULAR GLUE / cereblon / mezigdomide / SALL4 |
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