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データを開く
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基本情報
| 登録情報 | ![]() | |||||||||||||||
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| タイトル | Cryo-EM structure of the Coronin-1B-decorated actin filament bound by one Cofilin-1 molecule (crosslinked) | |||||||||||||||
マップデータ | Main, unsharpened cryo-EM density map of the Coronin-1B-decorated actin filament bound by one Cofilin-1 molecule (crosslinked) | |||||||||||||||
試料 |
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キーワード | actin / coronin / cofilin / filament / cytoskeleton / STRUCTURAL PROTEIN | |||||||||||||||
| 機能・相同性 | 機能・相同性情報actin filament branching / MGMT-mediated DNA damage reversal / cellular response to ether / cofilin-actin rod / positive regulation of protein localization to cell leading edge / positive regulation of establishment of cell polarity regulating cell shape / negative regulation of unidimensional cell growth / positive regulation of barbed-end actin filament capping / neural fold formation / negative regulation of lamellipodium assembly ...actin filament branching / MGMT-mediated DNA damage reversal / cellular response to ether / cofilin-actin rod / positive regulation of protein localization to cell leading edge / positive regulation of establishment of cell polarity regulating cell shape / negative regulation of unidimensional cell growth / positive regulation of barbed-end actin filament capping / neural fold formation / negative regulation of lamellipodium assembly / negative regulation of postsynaptic density organization / protein localization to cell leading edge / actin filament fragmentation / methylated-DNA-[protein]-cysteine S-methyltransferase / methylated-DNA-[protein]-cysteine S-methyltransferase activity / Arp2/3 complex binding / positive regulation of actin filament depolymerization / negative regulation of smooth muscle cell chemotaxis / modification of postsynaptic actin cytoskeleton / regulation of Arp2/3 complex-mediated actin nucleation / positive regulation of embryonic development / positive regulation of norepinephrine uptake / DNA-methyltransferase activity / negative regulation of actin filament bundle assembly / negative regulation of Arp2/3 complex-mediated actin nucleation / positive regulation of synaptic plasticity / endothelial cell chemotaxis / negative regulation of actin filament depolymerization / cellular response to cytochalasin B / bBAF complex / npBAF complex / actin filament severing / nBAF complex / brahma complex / regulation of transepithelial transport / Formation of annular gap junctions / morphogenesis of a polarized epithelium / Formation of the dystrophin-glycoprotein complex (DGC) / structural constituent of postsynaptic actin cytoskeleton / Gap junction degradation / GBAF complex / Folding of actin by CCT/TriC / protein localization to adherens junction / establishment of spindle localization / regulation of G0 to G1 transition / regulation of dendritic spine morphogenesis / Cell-extracellular matrix interactions / host-mediated activation of viral process / actin filament depolymerization / dense body / Tat protein binding / cell projection organization / ruffle organization / postsynaptic actin cytoskeleton / negative regulation of cell adhesion / DNA alkylation repair / negative regulation of cell motility / Prefoldin mediated transfer of substrate to CCT/TriC / RSC-type complex / RHO GTPases Activate ROCKs / negative regulation of cell size / regulation of double-strand break repair / regulation of nucleotide-excision repair / cellular response to interleukin-6 / regulation of cell morphogenesis / Adherens junctions interactions / RHOF GTPase cycle / negative regulation of dendritic spine maintenance / adherens junction assembly / positive regulation of lamellipodium morphogenesis / apical protein localization / Sensory processing of sound by outer hair cells of the cochlea / neural crest cell migration / Interaction between L1 and Ankyrins / tight junction / regulation of mitotic metaphase/anaphase transition / SWI/SNF complex / Sensory processing of sound by inner hair cells of the cochlea / positive regulation of cell motility / positive regulation of T cell differentiation / cortical actin cytoskeleton / apical junction complex / phosphatidylinositol bisphosphate binding / cellular response to insulin-like growth factor stimulus / positive regulation of double-strand break repair / maintenance of blood-brain barrier / regulation of norepinephrine uptake / nitric-oxide synthase binding / transporter regulator activity / establishment of cell polarity / positive regulation of dendritic spine development / cortical cytoskeleton / NuA4 histone acetyltransferase complex / establishment or maintenance of cell polarity / positive regulation of stem cell population maintenance / cell leading edge / Recycling pathway of L1 / Regulation of MITF-M-dependent genes involved in pigmentation / brush border / mitotic cytokinesis 類似検索 - 分子機能 | |||||||||||||||
| 生物種 | Homo sapiens (ヒト) | |||||||||||||||
| 手法 | 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 3.99 Å | |||||||||||||||
データ登録者 | Oosterheert W / Boiero Sanders M / Hofnagel O / Bieling P / Raunser S | |||||||||||||||
| 資金援助 | ドイツ, European Union, 4件
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引用 | ジャーナル: Cell / 年: 2025タイトル: Choreography of rapid actin filament disassembly by coronin, cofilin, and AIP1. 著者: Wout Oosterheert / Micaela Boiero Sanders / Oliver Hofnagel / Peter Bieling / Stefan Raunser / ![]() 要旨: Rapid remodeling of actin filament (F-actin) networks is essential for the movement and morphogenesis of eukaryotic cells. The conserved actin-binding proteins coronin, cofilin, and actin-interacting ...Rapid remodeling of actin filament (F-actin) networks is essential for the movement and morphogenesis of eukaryotic cells. The conserved actin-binding proteins coronin, cofilin, and actin-interacting protein 1 (AIP1) act in synergy to promote rapid F-actin network disassembly, but the underlying mechanisms have remained elusive. Here, using cryo-electron microscopy (cryo-EM), we uncover the concerted molecular actions of coronin, cofilin, and AIP1 that lead to actin filament aging and severing. We find that the cooperative binding of coronin allosterically promotes inorganic phosphate release from F-actin and induces filament undertwisting, thereby priming the filament for cofilin binding. Cofilin then displaces coronin from the filament via a strand-restricted cooperative binding mechanism. The resulting cofilactin serves as a high-affinity platform for AIP1, which induces severing by acting as a clamp that disrupts inter-subunit filament contacts. In this "molecular squeezing" mechanism, AIP1 and not cofilin is responsible for filament severing. Our work redefines the role of key disassembly factors in actin dynamics. | |||||||||||||||
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構造の表示
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ダウンロードとリンク
-EMDBアーカイブ
| マップデータ | emd_53114.map.gz | 407.6 MB | EMDBマップデータ形式 | |
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| ヘッダ (付随情報) | emd-53114-v30.xml emd-53114.xml | 30.3 KB 30.3 KB | 表示 表示 | EMDBヘッダ |
| FSC (解像度算出) | emd_53114_fsc.xml | 20 KB | 表示 | FSCデータファイル |
| 画像 | emd_53114.png | 122.2 KB | ||
| マスクデータ | emd_53114_msk_1.map | 824 MB | マスクマップ | |
| Filedesc metadata | emd-53114.cif.gz | 8.1 KB | ||
| その他 | emd_53114_additional_1.map.gz emd_53114_half_map_1.map.gz emd_53114_half_map_2.map.gz | 778 MB 765.5 MB 765.6 MB | ||
| アーカイブディレクトリ | http://ftp.pdbj.org/pub/emdb/structures/EMD-53114 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-53114 | HTTPS FTP |
-関連構造データ
| 関連構造データ | ![]() 9qfkMC ![]() 9qewC ![]() 9qeyC ![]() 9qf2C ![]() 9qfbC ![]() 9qfdC ![]() 9qfeC ![]() 9qfgC ![]() 9qfjC ![]() 9qfoC ![]() 9qfqC ![]() 9qfwC C: 同じ文献を引用 ( M: このマップから作成された原子モデル |
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| 類似構造データ | 類似検索 - 機能・相同性 F&H 検索 |
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リンク
| EMDBのページ | EMDB (EBI/PDBe) / EMDataResource |
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| 「今月の分子」の関連する項目 |
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マップ
| ファイル | ダウンロード / ファイル: emd_53114.map.gz / 形式: CCP4 / 大きさ: 824 MB / タイプ: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||
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| 注釈 | Main, unsharpened cryo-EM density map of the Coronin-1B-decorated actin filament bound by one Cofilin-1 molecule (crosslinked) | ||||||||||||||||||||||||||||||||||||
| 投影像・断面図 | 画像のコントロール
画像は Spider により作成 | ||||||||||||||||||||||||||||||||||||
| ボクセルのサイズ | X=Y=Z: 0.68 Å | ||||||||||||||||||||||||||||||||||||
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| 対称性 | 空間群: 1 | ||||||||||||||||||||||||||||||||||||
| 詳細 | EMDB XML:
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-添付データ
-マスク #1
| ファイル | emd_53114_msk_1.map | ||||||||||||
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| 投影像・断面図 |
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| 密度ヒストグラム |
-追加マップ: Additional sharpened map of the Coronin-1B-decorated actin filament...
| ファイル | emd_53114_additional_1.map | ||||||||||||
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| 注釈 | Additional sharpened map of the Coronin-1B-decorated actin filament bound by one Cofilin-1 molecule (crosslinked) | ||||||||||||
| 投影像・断面図 |
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| 密度ヒストグラム |
-ハーフマップ: Half map B of the Coronin-1B-decorated actin filament...
| ファイル | emd_53114_half_map_1.map | ||||||||||||
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| 注釈 | Half map B of the Coronin-1B-decorated actin filament bound by one Cofilin-1 molecule (crosslinked) | ||||||||||||
| 投影像・断面図 |
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| 密度ヒストグラム |
-ハーフマップ: Half map A of the Coronin-1B-decorated actin filament...
| ファイル | emd_53114_half_map_2.map | ||||||||||||
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| 注釈 | Half map A of the Coronin-1B-decorated actin filament bound by one Cofilin-1 molecule (crosslinked) | ||||||||||||
| 投影像・断面図 |
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| 密度ヒストグラム |
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試料の構成要素
-全体 : Cryo-EM structure of the Coronin-1B-decorated actin filament boun...
| 全体 | 名称: Cryo-EM structure of the Coronin-1B-decorated actin filament bound by one Cofilin-1 molecule (crosslinked) |
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| 要素 |
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-超分子 #1: Cryo-EM structure of the Coronin-1B-decorated actin filament boun...
| 超分子 | 名称: Cryo-EM structure of the Coronin-1B-decorated actin filament bound by one Cofilin-1 molecule (crosslinked) タイプ: complex / ID: 1 / 親要素: 0 / 含まれる分子: #1-#3 |
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| 由来(天然) | 生物種: Homo sapiens (ヒト) |
-超分子 #2: Actin filament
| 超分子 | 名称: Actin filament / タイプ: complex / ID: 2 / 親要素: 1 / 含まれる分子: #1 詳細: Assembled as a double stranded helix of beta-actin subunits. |
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| 由来(天然) | 生物種: Homo sapiens (ヒト) |
-超分子 #3: Coronin-1B
| 超分子 | 名称: Coronin-1B / タイプ: complex / ID: 3 / 親要素: 1 / 含まれる分子: #2 |
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| 由来(天然) | 生物種: Homo sapiens (ヒト) |
-超分子 #4: Cofilin-1
| 超分子 | 名称: Cofilin-1 / タイプ: complex / ID: 4 / 親要素: 1 / 含まれる分子: #3 |
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| 由来(天然) | 生物種: Homo sapiens (ヒト) |
-分子 #1: Actin, cytoplasmic 1, N-terminally processed
| 分子 | 名称: Actin, cytoplasmic 1, N-terminally processed / タイプ: protein_or_peptide / ID: 1 / コピー数: 7 / 光学異性体: LEVO |
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| 由来(天然) | 生物種: Homo sapiens (ヒト) |
| 分子量 | 理論値: 41.632422 KDa |
| 組換発現 | 生物種: Trichoplusia ni (イラクサキンウワバ) |
| 配列 | 文字列: DDDIAALVVD NGSGMCKAGF AGDDAPRAVF PSIVGRPRHQ GVMVGMGQKD SYVGDEAQSK RGILTLKYPI E(HIC)GIVT NWD DMEKIWHHTF YNELRVAPEE HPVLLTEAPL NPKANREKMT QIMFETFNTP AMYVAIQAVL SLYASGRTTG IVMDSGD GV ...文字列: DDDIAALVVD NGSGMCKAGF AGDDAPRAVF PSIVGRPRHQ GVMVGMGQKD SYVGDEAQSK RGILTLKYPI E(HIC)GIVT NWD DMEKIWHHTF YNELRVAPEE HPVLLTEAPL NPKANREKMT QIMFETFNTP AMYVAIQAVL SLYASGRTTG IVMDSGD GV THTVPIYEGY ALPHAILRLD LAGRDLTDYL MKILTERGYS FTTTAEREIV RDIKEKLCYV ALDFEQEMAT AASSSSLE K SYELPDGQVI TIGNERFRCP EALFQPSFLG MESAGIHETT FNSIMKCDVD IRKDLYANTV LSGGTTMYPG IADRMQKEI TALAPSTMKI KIIAPPERKY SVWIGGSILA SLSTFQQMWI SKQEYDESGP SIVHRKCF UniProtKB: Actin, cytoplasmic 1 |
-分子 #2: Coronin-1B,Methylated-DNA--protein-cysteine methyltransferase
| 分子 | 名称: Coronin-1B,Methylated-DNA--protein-cysteine methyltransferase タイプ: protein_or_peptide / ID: 2 / コピー数: 6 / 光学異性体: LEVO EC番号: methylated-DNA-[protein]-cysteine S-methyltransferase |
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| 由来(天然) | 生物種: Homo sapiens (ヒト) |
| 分子量 | 理論値: 74.788086 KDa |
| 組換発現 | 生物種: Trichoplusia ni (イラクサキンウワバ) |
| 配列 | 文字列: GAMGSMSFRK VVRQSKFRHV FGQPVKNDQC YEDIRVSRVT WDSTFCAVNP KFLAVIVEAS GGGAFLVLPL SKTGRIDKAY PTVCGHTGP VLDIDWCPHN DEVIASGSED CTVMVWQIPE NGLTSPLTEP VVVLEGHTKR VGIIAWHPTA RNVLLSAGCD N VVLIWNVG ...文字列: GAMGSMSFRK VVRQSKFRHV FGQPVKNDQC YEDIRVSRVT WDSTFCAVNP KFLAVIVEAS GGGAFLVLPL SKTGRIDKAY PTVCGHTGP VLDIDWCPHN DEVIASGSED CTVMVWQIPE NGLTSPLTEP VVVLEGHTKR VGIIAWHPTA RNVLLSAGCD N VVLIWNVG TAEELYRLDS LHPDLIYNVS WNHNGSLFCS ACKDKSVRII DPRRGTLVAE REKAHEGARP MRAIFLADGK VF TTGFSRM SERQLALWDP ENLEEPMALQ ELDSSNGALL PFYDPDTSVV YVCGKGDSSI RYFEITEEPP YIHFLNTFTS KEP QRGMGS MPKRGLEVSK CEIARFYKLH ERKCEPIVMT VPRKSDLFQD DLYPDTAGPE AALEAEEWVS GRDADPILIS LREA YVPSK QRDLKISRRN VLSDSRPAMA PGSSHLGAPA STTTAADATP SGSLARAGEA GKLEEVMQEL RALRALVKEQ GDRIC RLEE QLGRMENGDA GTGGGGSGGG GSMDKDCEMK RTTLDSPLGK LELSGCEQGL HEIKLLGKGT SAADAVEVPA PAAVLG GPE PLMQATAWLN AYFHQPEAIE EFPVPALHHP VFQQESFTRQ VLWKLLKVVK FGEVISYQQL AALAGNPAAT AAVKTAL SG NPVPILIPCH RVVSSSGAVG GYEGGLAVKE WLLAHEGHRL GKPGLG UniProtKB: Coronin-1B, Methylated-DNA--protein-cysteine methyltransferase |
-分子 #3: Cofilin-1
| 分子 | 名称: Cofilin-1 / タイプ: protein_or_peptide / ID: 3 / 詳細: Cofilin-1 with disordered N-terminus / コピー数: 1 / 光学異性体: LEVO |
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| 由来(天然) | 生物種: Homo sapiens (ヒト) |
| 分子量 | 理論値: 18.532531 KDa |
| 組換発現 | 生物種: ![]() |
| 配列 | 文字列: MASGVAVSDG VIKVFNDMKV RKSSTPEEVK KRKKAVLFCL SEDKKNIILE EGKEILVGDV GQTVDDPYAT FVKMLPDKDC RYALYDATY ETKESKKEDL VFIFWAPESA PLKSKMIYAS SKDAIKKKLT GIKHELQANC YEEVKDRCTL AEKLGGSAVI S LEGKPL UniProtKB: Cofilin-1 |
-分子 #4: ADENOSINE-5'-DIPHOSPHATE
| 分子 | 名称: ADENOSINE-5'-DIPHOSPHATE / タイプ: ligand / ID: 4 / コピー数: 7 / 式: ADP |
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| 分子量 | 理論値: 427.201 Da |
| Chemical component information | ![]() ChemComp-ADP: |
-分子 #5: MAGNESIUM ION
| 分子 | 名称: MAGNESIUM ION / タイプ: ligand / ID: 5 / コピー数: 7 / 式: MG |
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| 分子量 | 理論値: 24.305 Da |
-実験情報
-構造解析
| 手法 | クライオ電子顕微鏡法 |
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解析 | 単粒子再構成法 |
| 試料の集合状態 | filament |
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試料調製
| 緩衝液 | pH: 7.1 構成要素:
詳細: 1xKMEH (10 mM HEPES pH 7.1, 100 mM KCl, 2 mM MgCl2, 1 mM EGTA, 0.5 mM TCEP, 0.02% Tween20). | |||||||||||||||||||||
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| グリッド | モデル: Quantifoil R2/1 / 材質: COPPER / メッシュ: 200 / 支持フィルム - 材質: CARBON / 支持フィルム - トポロジー: HOLEY / 前処理 - タイプ: GLOW DISCHARGE / 前処理 - 時間: 90 sec. | |||||||||||||||||||||
| 凍結 | 凍結剤: ETHANE-PROPANE / チャンバー内湿度: 100 % / チャンバー内温度: 286 K / 装置: FEI VITROBOT MARK IV |
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電子顕微鏡法
| 顕微鏡 | TFS KRIOS |
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| 特殊光学系 | 球面収差補正装置: The used Titan Krios G2 microscope contains an in-column Cs corrector. エネルギーフィルター - 名称: GIF Bioquantum / エネルギーフィルター - スリット幅: 15 eV |
| 撮影 | フィルム・検出器のモデル: GATAN K3 BIOQUANTUM (6k x 4k) 撮影したグリッド数: 1 / 実像数: 22906 / 平均電子線量: 62.3 e/Å2 |
| 電子線 | 加速電圧: 300 kV / 電子線源: FIELD EMISSION GUN |
| 電子光学系 | C2レンズ絞り径: 50.0 µm / 照射モード: FLOOD BEAM / 撮影モード: BRIGHT FIELD / Cs: 0.01 mm / 最大 デフォーカス(公称値): 2.7 µm / 最小 デフォーカス(公称値): 1.2 µm / 倍率(公称値): 105000 |
| 試料ステージ | 試料ホルダーモデル: FEI TITAN KRIOS AUTOGRID HOLDER ホルダー冷却材: NITROGEN |
| 実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |
ムービー
コントローラー
万見について




キーワード
Homo sapiens (ヒト)
データ登録者
ドイツ, European Union, 4件
引用














































Z (Sec.)
Y (Row.)
X (Col.)




















































Trichoplusia ni (イラクサキンウワバ)

解析
FIELD EMISSION GUN

