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データを開く
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基本情報
| 登録情報 | データベース: PDB / ID: 9gy0 | |||||||||||||||||||||||||||||||||||||||
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| タイトル | Cryo_EM structure of human FAN1 R507H mutant in complex with 5' flap DNA substrate and PCNA | |||||||||||||||||||||||||||||||||||||||
要素 |
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キーワード | DNA BINDING PROTEIN / FAN1 R507H / PCNA | |||||||||||||||||||||||||||||||||||||||
| 機能・相同性 | 機能・相同性情報flap-structured DNA binding / phosphodiesterase I / dinucleotide insertion or deletion binding / PCNA-p21 complex / mitotic telomere maintenance via semi-conservative replication / 5'-flap endonuclease activity / purine-specific mismatch base pair DNA N-glycosylase activity / nuclear lamina / Polymerase switching / Processive synthesis on the lagging strand ...flap-structured DNA binding / phosphodiesterase I / dinucleotide insertion or deletion binding / PCNA-p21 complex / mitotic telomere maintenance via semi-conservative replication / 5'-flap endonuclease activity / purine-specific mismatch base pair DNA N-glycosylase activity / nuclear lamina / Polymerase switching / Processive synthesis on the lagging strand / MutLalpha complex binding / PCNA complex / 加水分解酵素; エステル加水分解酵素; 5'-リン酸モノエステル産生エンドデオキシリボヌクレアーゼ / Telomere C-strand (Lagging Strand) Synthesis / Removal of the Flap Intermediate / Mismatch repair (MMR) directed by MSH2:MSH3 (MutSbeta) / Mismatch repair (MMR) directed by MSH2:MSH6 (MutSalpha) / Transcription of E2F targets under negative control by DREAM complex / Polymerase switching on the C-strand of the telomere / ubiquitin-modified protein reader activity / Processive synthesis on the C-strand of the telomere / 5'-3' exonuclease activity / phosphodiesterase I activity / replisome / Removal of the Flap Intermediate from the C-strand / response to L-glutamate / response to dexamethasone / histone acetyltransferase binding / leading strand elongation / G1/S-Specific Transcription / DNA polymerase processivity factor activity / nuclear replication fork / replication fork processing / SUMOylation of DNA replication proteins / PCNA-Dependent Long Patch Base Excision Repair / response to cadmium ion / estrous cycle / mismatch repair / interstrand cross-link repair / cyclin-dependent protein kinase holoenzyme complex / intercellular bridge / translesion synthesis / base-excision repair, gap-filling / DNA polymerase binding / epithelial cell differentiation / liver regeneration / TP53 Regulates Transcription of Genes Involved in G2 Cell Cycle Arrest / positive regulation of DNA replication / nuclear estrogen receptor binding / positive regulation of DNA repair / replication fork / Translesion synthesis by REV1 / Translesion synthesis by POLK / Translesion synthesis by POLI / male germ cell nucleus / Gap-filling DNA repair synthesis and ligation in GG-NER / nucleotide-excision repair / Fanconi Anemia Pathway / Termination of translesion DNA synthesis / Translesion Synthesis by POLH / Recognition of DNA damage by PCNA-containing replication complex / receptor tyrosine kinase binding / double-strand break repair via homologous recombination / HDR through Homologous Recombination (HRR) / cellular response to xenobiotic stimulus / Dual Incision in GG-NER / cellular response to hydrogen peroxide / Dual incision in TC-NER / Gap-filling DNA repair synthesis and ligation in TC-NER / cellular response to UV / response to estradiol / E3 ubiquitin ligases ubiquitinate target proteins / heart development / chromatin organization / damaged DNA binding / chromosome, telomeric region / cilium / nuclear body / DNA repair / chromatin binding / centrosome / chromatin / protein-containing complex binding / magnesium ion binding / enzyme binding / negative regulation of transcription by RNA polymerase II / extracellular exosome / zinc ion binding / nucleoplasm / identical protein binding / nucleus / cytosol 類似検索 - 分子機能 | |||||||||||||||||||||||||||||||||||||||
| 生物種 | Homo sapiens (ヒト) | |||||||||||||||||||||||||||||||||||||||
| 手法 | 電子顕微鏡法 / 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 3.42 Å | |||||||||||||||||||||||||||||||||||||||
データ登録者 | Jeyasankar, G. / Salerno-Kochan, A. / Thomsen, M. | |||||||||||||||||||||||||||||||||||||||
| 資金援助 | 米国, 1件
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引用 | ジャーナル: Nat Commun / 年: 2025タイトル: A FAN1 point mutation associated with accelerated Huntington's disease progression alters its PCNA-mediated assembly on DNA. 著者: Jonas Aretz / Gayathri Jeyasankar / Anna Salerno-Kochan / Maren Thomsen / Gabriel Thieulin-Pardo / Tasir Haque / Edith Monteagudo / Dan Felsenfeld / Michael Finley / Thomas F Vogt / Julien ...著者: Jonas Aretz / Gayathri Jeyasankar / Anna Salerno-Kochan / Maren Thomsen / Gabriel Thieulin-Pardo / Tasir Haque / Edith Monteagudo / Dan Felsenfeld / Michael Finley / Thomas F Vogt / Julien Boudet / Brinda C Prasad / ![]() 要旨: FAN1 is an endo- and exo-nuclease involved in DNA and interstrand crosslink repair. Genome-wide association studies of people with Huntington's disease revealed a strong association between the FAN1 ...FAN1 is an endo- and exo-nuclease involved in DNA and interstrand crosslink repair. Genome-wide association studies of people with Huntington's disease revealed a strong association between the FAN1 R507H mutation and early disease onset, however the underlying mechanism(s) remains unclear. FAN1 has previously been implicated in modulating triplet repeat expansion in a PCNA dependent manner. To examine the role of PCNA on FAN1 activation, we solved the cryo-EM structures of a PCNA-FAN1-DNA complex. Our findings reveal that the FAN1 R507 residue directly interacts with PCNA D232. Biophysical interaction studies demonstrated that FAN1 enhances the binding affinity of PCNA for DNA, a synergistic effect disrupted in mutants carrying the R507H mutation. In contrast, PCNA does not affect the affinity of FAN1 for DNA but does modulate FAN1 activity upon ternary complex formation. The weakened and functionally altered FAN1 R507H-PCNA-DNA complex may partly impair the FAN1-mediated repair of CAG extrahelical extrusions, providing a potential explanation for the mutation's role in accelerating disease progression. #1: ジャーナル: Biorxiv / 年: 2024タイトル: A FAN1 point mutation associated with accelerated Huntington's disease progression alters its PCNA-mediated assembly on DNA 著者: Aretz, J. / Jeyasankar, G. / Salerno-Kochan, A. / Thomsen, M. / Thieulin-Pardo, G. / Haque, T. / Monteagudo, E. / Felsenfeld, D. / Finley, M. / Vogt, T.F. / Boudet, J. / Prasad, B.C. | |||||||||||||||||||||||||||||||||||||||
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構造の表示
| 構造ビューア | 分子: Molmil Jmol/JSmol |
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ダウンロードとリンク
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ダウンロード
| PDBx/mmCIF形式 | 9gy0.cif.gz | 318.6 KB | 表示 | PDBx/mmCIF形式 |
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| PDB形式 | pdb9gy0.ent.gz | 244.2 KB | 表示 | PDB形式 |
| PDBx/mmJSON形式 | 9gy0.json.gz | ツリー表示 | PDBx/mmJSON形式 | |
| その他 | その他のダウンロード |
-検証レポート
| アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/gy/9gy0 ftp://data.pdbj.org/pub/pdb/validation_reports/gy/9gy0 | HTTPS FTP |
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-関連構造データ
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リンク
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集合体
| 登録構造単位 | ![]()
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要素
-タンパク質 , 2種, 4分子 AEFG
| #1: タンパク質 | 分子量: 114705.156 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: FAN1, KIAA1018, MTMR15発現宿主: ![]() 参照: UniProt: Q9Y2M0, 加水分解酵素; エステル加水分解酵素; 5'-リン酸モノエステル産生エンドデオキシリボヌクレアーゼ, phosphodiesterase I |
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| #5: タンパク質 | 分子量: 28949.912 Da / 分子数: 3 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: PCNA発現宿主: ![]() 参照: UniProt: P12004 |
-DNA鎖 , 3種, 3分子 BCD
| #2: DNA鎖 | 分子量: 12154.740 Da / 分子数: 1 / 由来タイプ: 合成 / 由来: (合成) Homo sapiens (ヒト) |
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| #3: DNA鎖 | 分子量: 8618.535 Da / 分子数: 1 / 由来タイプ: 合成 / 由来: (合成) Homo sapiens (ヒト) |
| #4: DNA鎖 | 分子量: 6554.223 Da / 分子数: 1 / 由来タイプ: 合成 / 由来: (合成) Homo sapiens (ヒト) |
-非ポリマー , 1種, 1分子 
| #6: 化合物 | ChemComp-CA / |
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-詳細
| 研究の焦点であるリガンドがあるか | Y |
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| Has protein modification | Y |
-実験情報
-実験
| 実験 | 手法: 電子顕微鏡法 |
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| EM実験 | 試料の集合状態: PARTICLE / 3次元再構成法: 単粒子再構成法 |
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試料調製
| 構成要素 |
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| 由来(天然) |
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| 由来(組換発現) |
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| 緩衝液 | pH: 7.5 | ||||||||||||||||||||||||
| 試料 | 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES | ||||||||||||||||||||||||
| 急速凍結 | 凍結剤: ETHANE-PROPANE |
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電子顕微鏡撮影
| 顕微鏡 | モデル: TFS GLACIOS |
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| 電子銃 | 電子線源: FIELD EMISSION GUN / 加速電圧: 200 kV / 照射モード: OTHER |
| 電子レンズ | モード: OTHER / 最大 デフォーカス(公称値): 2200 nm / 最小 デフォーカス(公称値): 800 nm |
| 撮影 | 電子線照射量: 60 e/Å2 フィルム・検出器のモデル: FEI FALCON IV (4k x 4k) |
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解析
| EMソフトウェア | 名称: PHENIX / カテゴリ: モデル精密化 |
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| CTF補正 | タイプ: PHASE FLIPPING AND AMPLITUDE CORRECTION |
| 3次元再構成 | 解像度: 3.42 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 487606 / 対称性のタイプ: POINT |
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万見について




Homo sapiens (ヒト)
米国, 1件
引用







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FIELD EMISSION GUN