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基本情報
登録情報 | データベース: PDB / ID: 8xbm | ||||||||||||||||||||||||
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タイトル | Structure of Cx43/GJA1 gap junction intercellular channel in complex with diC8-PIP2 | ||||||||||||||||||||||||
![]() | Gap junction alpha-1 protein | ||||||||||||||||||||||||
![]() | MEMBRANE PROTEIN / Cx43 gap junction channel / PIP2 / Cytoplasmic loop / Opening | ||||||||||||||||||||||||
機能・相同性 | ![]() gap junction channel activity involved in cardiac conduction electrical coupling / negative regulation of gonadotropin secretion / positive regulation of morphogenesis of an epithelium / positive regulation of mesodermal cell differentiation / cell communication by electrical coupling / negative regulation of trophoblast cell migration / gap junction hemi-channel activity / microtubule-based transport / SARS-CoV-2 targets PDZ proteins in cell-cell junction / gap junction channel activity involved in cell communication by electrical coupling ...gap junction channel activity involved in cardiac conduction electrical coupling / negative regulation of gonadotropin secretion / positive regulation of morphogenesis of an epithelium / positive regulation of mesodermal cell differentiation / cell communication by electrical coupling / negative regulation of trophoblast cell migration / gap junction hemi-channel activity / microtubule-based transport / SARS-CoV-2 targets PDZ proteins in cell-cell junction / gap junction channel activity involved in cell communication by electrical coupling / monoatomic ion transmembrane transporter activity / Oligomerization of connexins into connexons / Transport of connexins along the secretory pathway / glutathione transmembrane transporter activity / Microtubule-dependent trafficking of connexons from Golgi to the plasma membrane / gap junction assembly / atrial cardiac muscle cell action potential / Regulation of gap junction activity / cardiac conduction system development / connexin complex / gap junction / Formation of annular gap junctions / cell-cell contact zone / Golgi-associated vesicle membrane / cell communication by electrical coupling involved in cardiac conduction / Gap junction degradation / bone remodeling / Gap junction assembly / gap junction channel activity / export across plasma membrane / glutamate secretion / tight junction / xenobiotic transport / Mechanical load activates signaling by PIEZO1 and integrins in osteocytes / maintenance of blood-brain barrier / positive regulation of stem cell proliferation / RHOJ GTPase cycle / RHOQ GTPase cycle / establishment of mitotic spindle orientation / efflux transmembrane transporter activity / intercalated disc / alpha-tubulin binding / positive regulation of vascular associated smooth muscle cell proliferation / tubulin binding / negative regulation of cell growth / bone development / beta-catenin binding / cellular response to amyloid-beta / cell junction / intracellular protein localization / cell-cell signaling / positive regulation of cold-induced thermogenesis / heart development / spermatogenesis / monoatomic ion transmembrane transport / positive regulation of canonical NF-kappaB signal transduction / apical plasma membrane / membrane raft / Golgi membrane / focal adhesion / intracellular membrane-bounded organelle / endoplasmic reticulum membrane / positive regulation of gene expression / Golgi apparatus / signal transduction / mitochondrion / nucleoplasm / nucleus / plasma membrane / cytoplasm 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 Å | ||||||||||||||||||||||||
![]() | Lee, H.J. / Cha, H.J. / Woo, J.S. | ||||||||||||||||||||||||
資金援助 | ![]()
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![]() | ![]() タイトル: PIP2-dependent conformational changes and stabilization of cytoplasmic loop in Cx43/GJA1 gap junction channel 著者: Lee, H.J. / Cha, H.J. / Woo, J.S. | ||||||||||||||||||||||||
履歴 |
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構造の表示
構造ビューア | 分子: ![]() ![]() |
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PDBx/mmCIF形式 | ![]() | 550.7 KB | 表示 | ![]() |
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PDB形式 | ![]() | 463.8 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 | ![]() | 2.3 MB | 表示 | ![]() |
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文書・詳細版 | ![]() | 2.3 MB | 表示 | |
XML形式データ | ![]() | 92 KB | 表示 | |
CIF形式データ | ![]() | 121 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 | ![]() 38223MC 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: 29291.387 Da / 分子数: 12 / 断片: C-terminal / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() #2: 化合物 | ChemComp-PIO / [( 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: Dodecameric complex of human Cx43-M257 in lipid nanodiscs (POPE) in the presence of diC8-PIP2 (16-fold molar excess) タイプ: ORGANELLE OR CELLULAR COMPONENT 詳細: Human Cx43-M257 gap junction channel in complex with diC8-PIP2 (16-fold molar excess) with pore-lining NTH (PLN) conformation Entity ID: #1 / 由来: RECOMBINANT |
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由来(天然) | 生物種: ![]() |
由来(組換発現) | 生物種: ![]() |
緩衝液 | pH: 8 |
試料 | 濃度: 3.9 mg/ml / 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES |
試料支持 | グリッドの材料: COPPER / グリッドのサイズ: 200 divisions/in. / グリッドのタイプ: Quantifoil |
急速凍結 | 凍結剤: ETHANE / 湿度: 95 % / 凍結前の試料温度: 277.15 K |
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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: ![]() |
電子レンズ | モード: BRIGHT FIELD / 最大 デフォーカス(公称値): 2800 nm / 最小 デフォーカス(公称値): 1200 nm |
試料ホルダ | 凍結剤: NITROGEN |
撮影 | 電子線照射量: 40 e/Å2 / 検出モード: COUNTING フィルム・検出器のモデル: FEI FALCON III (4k x 4k) |
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解析
CTF補正 | タイプ: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
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対称性 | 点対称性: D6 (2回x6回 2面回転対称) | ||||||||||||||||||||||||
3次元再構成 | 解像度: 3 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 4412 / 対称性のタイプ: POINT | ||||||||||||||||||||||||
拘束条件 |
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