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-Structure paper
| タイトル | Structural basis for regulation of CELSR1 by a compact module in its extracellular region. |
|---|---|
| ジャーナル・号・ページ | Nat Commun, Vol. 16, Issue 1, Page 3972, Year 2025 |
| 掲載日 | 2025年4月28日 |
著者 | Sumit J Bandekar / Krassimira Garbett / Szymon P Kordon / Ethan E Dintzner / Jingxian Li / Tanner Shearer / Richard C Sando / Demet Araç / ![]() |
| PubMed 要旨 | The Cadherin EGF Laminin G seven-pass G-type receptor subfamily (CELSR/ADGRC) is one of the most conserved among adhesion G protein-coupled receptors and is essential for animal development. The ...The Cadherin EGF Laminin G seven-pass G-type receptor subfamily (CELSR/ADGRC) is one of the most conserved among adhesion G protein-coupled receptors and is essential for animal development. The extracellular regions (ECRs) of CELSRs are large with 23 adhesion domains. However, molecular insight into CELSR function is sparsely available. Here, we report the 3.8 Å cryo-EM reconstruction of the mouse CELSR1 ECR and reveal that 14 domains form a compact module mediated by conserved interactions majorly between the CADH9 and C-terminal GAIN domains. In the presence of Ca, the CELSR1 ECR forms a dimer species mediated by the cadherin repeats putatively in an antiparallel fashion. Cell-based assays reveal the N-terminal CADH1-8 repeat is required for cell-cell adhesion and the C-terminal CADH9-GAIN compact module can regulate cellular adhesion. Our work provides molecular insight into how one of the largest GPCRs uses defined structural modules to regulate receptor function. |
リンク | Nat Commun / PubMed:40295529 / PubMed Central |
| 手法 | EM (単粒子) |
| 解像度 | 4.3 Å |
| 構造データ | EMDB-43644, PDB-8vy2: |
| 化合物 | ![]() ChemComp-NAG: |
| 由来 |
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キーワード | SIGNALING PROTEIN / CELSR / adhesion / GPCR / planar cell polarity |
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