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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: 8hgs | ||||||
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タイトル | The EGF-bound EGFR ectodomain homodimer | ||||||
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![]() | MEMBRANE PROTEIN | ||||||
機能・相同性 | ![]() positive regulation of hyaluronan biosynthetic process / negative regulation of secretion / negative regulation of cholesterol efflux / positive regulation of epithelial tube formation / positive regulation of cerebellar granule cell precursor proliferation / positive regulation of protein localization to early endosome / regulation of protein localization to cell surface / cerebellar granule cell precursor proliferation / regulation of calcium ion import / transmembrane receptor protein tyrosine kinase activator activity ...positive regulation of hyaluronan biosynthetic process / negative regulation of secretion / negative regulation of cholesterol efflux / positive regulation of epithelial tube formation / positive regulation of cerebellar granule cell precursor proliferation / positive regulation of protein localization to early endosome / regulation of protein localization to cell surface / cerebellar granule cell precursor proliferation / regulation of calcium ion import / transmembrane receptor protein tyrosine kinase activator activity / Developmental Lineage of Pancreatic Acinar Cells / positive regulation of ubiquitin-dependent protein catabolic process / Differentiation of Keratinocytes in Interfollicular Epidermis in Mammalian Skin / multivesicular body, internal vesicle lumen / negative regulation of cardiocyte differentiation / Shc-EGFR complex / epidermal growth factor receptor binding / positive regulation of protein kinase C signaling / positive regulation of peptidyl-threonine phosphorylation / Inhibition of Signaling by Overexpressed EGFR / EGFR interacts with phospholipase C-gamma / epidermal growth factor receptor activity / regulation of receptor signaling pathway via JAK-STAT / regulation of peptidyl-tyrosine phosphorylation / positive regulation of DNA binding / epidermal growth factor binding / NFE2L2 regulating tumorigenic genes / response to UV-A / PLCG1 events in ERBB2 signaling / ERBB2-EGFR signaling pathway / morphogenesis of an epithelial fold / PTK6 promotes HIF1A stabilization / ERBB2 Activates PTK6 Signaling / digestive tract morphogenesis / branching morphogenesis of an epithelial tube / Signaling by EGFR / intracellular vesicle / eyelid development in camera-type eye / negative regulation of epidermal growth factor receptor signaling pathway / cerebral cortex cell migration / protein insertion into membrane / ERBB2 Regulates Cell Motility / protein tyrosine kinase activator activity / Respiratory syncytial virus (RSV) attachment and entry / positive regulation of receptor internalization / Signaling by ERBB4 / PI3K events in ERBB2 signaling / positive regulation of phosphorylation / positive regulation of peptidyl-serine phosphorylation / mammary gland alveolus development / Estrogen-dependent nuclear events downstream of ESR-membrane signaling / hair follicle development / MAP kinase kinase kinase activity / GAB1 signalosome / positive regulation of G1/S transition of mitotic cell cycle / embryonic placenta development / salivary gland morphogenesis / ERK1 and ERK2 cascade / positive regulation of endothelial cell proliferation / Signaling by ERBB2 / GRB2 events in EGFR signaling / TFAP2 (AP-2) family regulates transcription of growth factors and their receptors / SHC1 events in EGFR signaling / transmembrane receptor protein tyrosine kinase activity / EGFR Transactivation by Gastrin / positive regulation of endothelial cell migration / GRB2 events in ERBB2 signaling / positive regulation of mitotic nuclear division / SHC1 events in ERBB2 signaling / ossification / NOTCH3 Activation and Transmission of Signal to the Nucleus / positive regulation of DNA repair / basal plasma membrane / cellular response to epidermal growth factor stimulus / guanyl-nucleotide exchange factor activity / platelet alpha granule lumen / EGFR downregulation / positive regulation of DNA replication / epithelial cell proliferation / Signal transduction by L1 / positive regulation of epithelial cell proliferation / positive regulation of protein localization to plasma membrane / cellular response to amino acid stimulus / growth factor activity / phosphatidylinositol 3-kinase/protein kinase B signal transduction / cellular response to estradiol stimulus / clathrin-coated endocytic vesicle membrane / Signaling by ERBB2 TMD/JMD mutants / Constitutive Signaling by EGFRvIII / Downregulation of ERBB2 signaling / cell-cell adhesion / receptor protein-tyrosine kinase / negative regulation of protein catabolic process / Signaling by ERBB2 ECD mutants / Signaling by ERBB2 KD Mutants / positive regulation of miRNA transcription / kinase binding / ruffle membrane / positive regulation of protein phosphorylation / epidermal growth factor receptor signaling pathway 類似検索 - 分子機能 | ||||||
生物種 | ![]() | ||||||
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: 3.81 Å | ||||||
![]() | Zhang, Z. / Bai, X. | ||||||
資金援助 | ![]()
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![]() | ![]() タイトル: Structure and dynamics of the EGFR/HER2 heterodimer. 著者: Xue Bai / Pengyu Sun / Xinghao Wang / Changkun Long / Shuyun Liao / Song Dang / Shangshang Zhuang / Yongtao Du / Xinyi Zhang / Nan Li / Kangmin He / Zhe Zhang / ![]() 要旨: HER2 belongs to the human epidermal growth factor receptor tyrosine kinase family. Its overexpression or hyperactivation is a leading cause for multiple types of cancers. HER2 functions mainly ...HER2 belongs to the human epidermal growth factor receptor tyrosine kinase family. Its overexpression or hyperactivation is a leading cause for multiple types of cancers. HER2 functions mainly through dimerization with other family members, such as EGFR. However, the molecular details for heterodimer assembly have not been completely understood. Here, we report cryo-EM structures of the EGF- and epiregulin-bound EGFR/HER2 ectodomain complexes at resolutions of 3.3 Å and 4.5 Å, respectively. Together with the functional analyses, we demonstrate that only the dimerization arm of HER2, but not that of EGFR, is essential for their heterodimer formation and signal transduction. Moreover, we analyze the differential membrane dynamics and transient interactions of endogenous EGFR and HER2 molecules in genome-edited cells using single-molecule live-cell imaging. Furthermore, we show that the interaction with HER2 could allow EGFR to resist endocytosis. Together, this work deepens our understanding of the unique structural properties and dynamics of the EGFR/HER2 complex. | ||||||
履歴 |
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構造の表示
構造ビューア | 分子: ![]() ![]() |
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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 | ![]() | 319.5 KB | 表示 | ![]() |
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PDB形式 | ![]() | 240.6 KB | 表示 | ![]() |
PDBx/mmJSON形式 | ![]() | ツリー表示 | ![]() | |
その他 | ![]() |
-検証レポート
文書・要旨 | ![]() | 1.3 MB | 表示 | ![]() |
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文書・詳細版 | ![]() | 1.3 MB | 表示 | |
XML形式データ | ![]() | 48.2 KB | 表示 | |
CIF形式データ | ![]() | 69.8 KB | 表示 | |
アーカイブディレクトリ | ![]() ![]() | HTTPS FTP |
-関連構造データ
関連構造データ | ![]() 34746MC ![]() 8hgoC ![]() 8hgpC M: このデータのモデリングに利用したマップデータ C: 同じ文献を引用 ( |
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類似構造データ | 類似検索 - 機能・相同性 ![]() |
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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
#1: タンパク質 | 分子量: 81075.297 Da / 分子数: 2 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() #2: タンパク質 | 分子量: 6555.376 Da / 分子数: 2 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() ![]() #3: 多糖 | タイプ: oligosaccharide / 分子量: 748.682 Da / 分子数: 2 / 由来タイプ: 組換発現 #4: 糖 | ChemComp-NAG / 研究の焦点であるリガンドがあるか | Y | Has protein modification | Y | |
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-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 | 名称: EGF-bound EGFR ectodomain homodimer / タイプ: COMPLEX / Entity ID: #1-#2 / 由来: RECOMBINANT |
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分子量 | 値: 0.2 MDa / 実験値: NO |
由来(天然) | 生物種: ![]() |
由来(組換発現) | 生物種: ![]() |
緩衝液 | pH: 7.5 |
試料 | 濃度: 4.2 mg/ml / 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 / 湿度: 100 % / 凍結前の試料温度: 277 K |
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電子顕微鏡撮影
実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |
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顕微鏡 | モデル: FEI TITAN KRIOS |
電子銃 | 電子線源: ![]() |
電子レンズ | モード: BRIGHT FIELD / 最大 デフォーカス(公称値): 1500 nm / 最小 デフォーカス(公称値): 1200 nm |
撮影 | 電子線照射量: 60.8 e/Å2 / フィルム・検出器のモデル: GATAN K3 (6k x 4k) |
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解析
EMソフトウェア |
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CTF補正 | タイプ: NONE | ||||||||||||||||||||||||
3次元再構成 | 解像度: 3.81 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 196557 / 対称性のタイプ: POINT | ||||||||||||||||||||||||
原子モデル構築 | プロトコル: FLEXIBLE FIT / 空間: REAL | ||||||||||||||||||||||||
拘束条件 |
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