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基本情報
登録情報 | データベース: EMDB / ID: EMD-30342 | |||||||||
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タイトル | Structure of alpha6beta1 integrin in complex with laminin-511 | |||||||||
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![]() | Integrin / Laminin / Fv-clasp / CELL ADHESION / CELL ADHESION-IMMUNE SYSTEM complex | |||||||||
機能・相同性 | ![]() laminin-5 complex / laminin-2 complex / neuronal-glial interaction involved in cerebral cortex radial glia guided migration / laminin-8 complex / laminin-11 complex / laminin-1 complex / laminin-10 complex / ectodermal cell differentiation / regulation of basement membrane organization / integrin alpha8-beta1 complex ...laminin-5 complex / laminin-2 complex / neuronal-glial interaction involved in cerebral cortex radial glia guided migration / laminin-8 complex / laminin-11 complex / laminin-1 complex / laminin-10 complex / ectodermal cell differentiation / regulation of basement membrane organization / integrin alpha8-beta1 complex / neuregulin binding / extracellular matrix of synaptic cleft / L1CAM interactions / Type I hemidesmosome assembly / integrin alpha3-beta1 complex / integrin alpha5-beta1 complex / integrin alpha6-beta1 complex / integrin alpha7-beta1 complex / integrin alpha10-beta1 complex / integrin alpha11-beta1 complex / positive regulation of glutamate uptake involved in transmission of nerve impulse / myoblast fate specification / integrin alpha9-beta1 complex / regulation of collagen catabolic process / trunk neural crest cell migration / cardiac cell fate specification / integrin binding involved in cell-matrix adhesion / integrin alpha4-beta1 complex / cell-cell adhesion mediated by integrin / integrin alpha1-beta1 complex / nail development / hemidesmosome assembly / postsynapse organization / collagen binding involved in cell-matrix adhesion / Localization of the PINCH-ILK-PARVIN complex to focal adhesions / integrin alpha2-beta1 complex / cell adhesion mediator activity / reactive gliosis / glycosphingolipid binding / formation of radial glial scaffolds / Other semaphorin interactions / positive regulation of integrin-mediated signaling pathway / cerebellar climbing fiber to Purkinje cell synapse / Formation of the ureteric bud / morphogenesis of embryonic epithelium / myelin sheath abaxonal region / CD40 signaling pathway / Fibronectin matrix formation / calcium-independent cell-matrix adhesion / positive regulation of fibroblast growth factor receptor signaling pathway / integrin alphav-beta1 complex / regulation of synapse pruning / skin morphogenesis / basement membrane organization / CHL1 interactions / cardiac muscle cell myoblast differentiation / MET interacts with TNS proteins / morphogenesis of a polarized epithelium / Laminin interactions / Formation of the dystrophin-glycoprotein complex (DGC) / EGR2 and SOX10-mediated initiation of Schwann cell myelination / leukocyte tethering or rolling / protein complex involved in cell-matrix adhesion / cardiac muscle cell differentiation / germ cell migration / branching involved in salivary gland morphogenesis / Platelet Adhesion to exposed collagen / endoderm development / cell projection organization / insulin-like growth factor I binding / negative regulation of cell adhesion / myoblast fusion / positive regulation of vascular endothelial growth factor signaling pathway / regulation of epithelial cell proliferation / Elastic fibre formation / mesodermal cell differentiation / cell-substrate junction assembly / myoblast differentiation / cell migration involved in sprouting angiogenesis / axon extension / Differentiation of Keratinocytes in Interfollicular Epidermis in Mammalian Skin / central nervous system neuron differentiation / integrin complex / wound healing, spreading of epidermal cells / positive regulation of fibroblast migration / heterotypic cell-cell adhesion / regulation of spontaneous synaptic transmission / odontogenesis / lamellipodium assembly / extracellular matrix structural constituent / skeletal system morphogenesis / sarcomere organization / Assembly of collagen fibrils and other multimeric structures / Molecules associated with elastic fibres / MET activates PTK2 signaling / Basigin interactions / Mechanical load activates signaling by PIEZO1 and integrins in osteocytes / negative regulation of vasoconstriction / leukocyte migration / branching involved in ureteric bud morphogenesis 類似検索 - 分子機能 | |||||||||
生物種 | ![]() | |||||||||
手法 | 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 3.9 Å | |||||||||
![]() | Arimori T / Miyazaki N | |||||||||
資金援助 | ![]()
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![]() | ![]() タイトル: Structural mechanism of laminin recognition by integrin. 著者: Takao Arimori / Naoyuki Miyazaki / Emiko Mihara / Mamoru Takizawa / Yukimasa Taniguchi / Carlos Cabañas / Kiyotoshi Sekiguchi / Junichi Takagi / ![]() ![]() 要旨: Recognition of laminin by integrin receptors is central to the epithelial cell adhesion to basement membrane, but the structural background of this molecular interaction remained elusive. Here, we ...Recognition of laminin by integrin receptors is central to the epithelial cell adhesion to basement membrane, but the structural background of this molecular interaction remained elusive. Here, we report the structures of the prototypic laminin receptor α6β1 integrin alone and in complex with three-chain laminin-511 fragment determined via crystallography and cryo-electron microscopy, respectively. The laminin-integrin interface is made up of several binding sites located on all five subunits, with the laminin γ1 chain C-terminal portion providing focal interaction using two carboxylate anchor points to bridge metal-ion dependent adhesion site of integrin β1 subunit and Asn189 of integrin α6 subunit. Laminin α5 chain also contributes to the affinity and specificity by making electrostatic interactions with large surface on the β-propeller domain of α6, part of which comprises an alternatively spliced X1 region. The propeller sheet corresponding to this region shows unusually high mobility, suggesting its unique role in ligand capture. | |||||||||
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構造の表示
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構造ビューア | EMマップ: ![]() ![]() ![]() |
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マップデータ | ![]() | 8.9 MB | ![]() | |
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ヘッダ (付随情報) | ![]() ![]() | 25.4 KB 25.4 KB | 表示 表示 | ![]() |
画像 | ![]() | 123.6 KB | ||
Filedesc metadata | ![]() | 8.2 KB | ||
アーカイブディレクトリ | ![]() ![]() | HTTPS FTP |
-検証レポート
文書・要旨 | ![]() | 361.9 KB | 表示 | ![]() |
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文書・詳細版 | ![]() | 361.5 KB | 表示 | |
XML形式データ | ![]() | 6.4 KB | 表示 | |
CIF形式データ | ![]() | 7.4 KB | 表示 | |
アーカイブディレクトリ | ![]() ![]() | HTTPS FTP |
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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 | ![]() | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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ボクセルのサイズ | X=Y=Z: 1.113 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
密度 |
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対称性 | 空間群: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
詳細 | EMDB XML:
CCP4マップ ヘッダ情報:
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-添付データ
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試料の構成要素
+全体 : Quaternary complex of alpha6beta1 integrin, laminin-511, TS2/16 F...
+超分子 #1: Quaternary complex of alpha6beta1 integrin, laminin-511, TS2/16 F...
+分子 #1: Integrin alpha-6
+分子 #2: Integrin beta-1
+分子 #3: Laminin subunit alpha-5
+分子 #4: Laminin subunit beta-1
+分子 #5: Laminin subunit gamma-1
+分子 #6: TS2/16 VH(S112C)-SARAH,TS2/16 VH(S112C)-SARAH
+分子 #7: TS2/16 VL-SARAH(S37C),TS2/16 VL-SARAH(S37C)
+分子 #8: HUTS-4 VH(S112C)-SARAH,HUTS-4 VH(S112C)-SARAH
+分子 #9: HUTS-4 VL(C87Y)-SARAH(S37C),HUTS-4 VL(C87Y)-SARAH(S37C)
+分子 #11: CALCIUM ION
+分子 #12: 2-acetamido-2-deoxy-beta-D-glucopyranose
+分子 #13: MANGANESE (II) ION
-実験情報
-構造解析
手法 | クライオ電子顕微鏡法 |
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![]() | 単粒子再構成法 |
試料の集合状態 | particle |
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試料調製
濃度 | 0.07 mg/mL | |||||||||||||||
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緩衝液 | pH: 7.5 構成要素:
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グリッド | モデル: Quantifoil R2/1 / 材質: MOLYBDENUM / メッシュ: 300 / 支持フィルム - 材質: CARBON / 支持フィルム - トポロジー: CONTINUOUS / 前処理 - タイプ: GLOW DISCHARGE / 前処理 - 時間: 30 sec. | |||||||||||||||
凍結 | 凍結剤: ETHANE / チャンバー内湿度: 100 % / チャンバー内温度: 277 K / 装置: FEI VITROBOT MARK IV |
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電子顕微鏡法
顕微鏡 | FEI TITAN KRIOS |
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特殊光学系 | 位相板: VOLTA PHASE PLATE |
撮影 | フィルム・検出器のモデル: FEI FALCON III (4k x 4k) 検出モード: INTEGRATING / デジタル化 - サイズ - 横: 4096 pixel / デジタル化 - サイズ - 縦: 4096 pixel / 撮影したグリッド数: 1 / 実像数: 7768 / 平均電子線量: 40.0 e/Å2 |
電子線 | 加速電圧: 300 kV / 電子線源: ![]() |
電子光学系 | 照射モード: FLOOD BEAM / 撮影モード: BRIGHT FIELD / 最大 デフォーカス(公称値): 0.8 µm / 最小 デフォーカス(公称値): 0.6 µm / 倍率(公称値): 59000 |
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 |