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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: 7sj4 | |||||||||
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| タイトル | Human Trio residues 1284-1959 in complex with Rac1 | |||||||||
要素 |
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キーワード | SIGNALING PROTEIN / guanine nucleotide exchange factor / GTPase / dbl homology / pleckstrin homology | |||||||||
| 機能・相同性 | 機能・相同性情報cell surface receptor protein tyrosine phosphatase signaling pathway / embryonic olfactory bulb interneuron precursor migration / anatomical structure arrangement / regulation of ERK5 cascade / angiotensin-activated signaling pathway involved in heart process / positive regulation of ovarian follicle development / cerebral cortex GABAergic interneuron development / regulation of respiratory burst / auditory receptor cell morphogenesis / cerebral cortex radially oriented cell migration ...cell surface receptor protein tyrosine phosphatase signaling pathway / embryonic olfactory bulb interneuron precursor migration / anatomical structure arrangement / regulation of ERK5 cascade / angiotensin-activated signaling pathway involved in heart process / positive regulation of ovarian follicle development / cerebral cortex GABAergic interneuron development / regulation of respiratory burst / auditory receptor cell morphogenesis / cerebral cortex radially oriented cell migration / erythrocyte enucleation / regulation of neutrophil migration / negative regulation of interleukin-23 production / localization within membrane / Activated NTRK2 signals through CDK5 / interneuron migration / kinocilium / regulation of hydrogen peroxide metabolic process / regulation of cell adhesion involved in heart morphogenesis / negative regulation of receptor-mediated endocytosis / engulfment of apoptotic cell / ruffle assembly / NTRK2 activates RAC1 / Inactivation of CDC42 and RAC1 / NADPH oxidase complex / cochlea morphogenesis / regulation of neuron maturation / respiratory burst / WNT5:FZD7-mediated leishmania damping / SEMA3A-Plexin repulsion signaling by inhibiting Integrin adhesion / cortical cytoskeleton organization / positive regulation of skeletal muscle acetylcholine-gated channel clustering / hepatocyte growth factor receptor signaling pathway / GTP-dependent protein binding / midbrain dopaminergic neuron differentiation / epithelial cell morphogenesis / cell projection assembly / positive regulation of bicellular tight junction assembly / ruffle organization / regulation of lamellipodium assembly / thioesterase binding / regulation of stress fiber assembly / regulation of neuron migration / negative regulation of fibroblast migration / RHO GTPases activate CIT / cell-cell junction organization / motor neuron axon guidance / sphingosine-1-phosphate receptor signaling pathway / Nef and signal transduction / PCP/CE pathway / RHO GTPases activate KTN1 / Activation of RAC1 / MET activates RAP1 and RAC1 / regulation of nitric oxide biosynthetic process / DCC mediated attractive signaling / regulation of small GTPase mediated signal transduction / Sema4D mediated inhibition of cell attachment and migration / hyperosmotic response / Azathioprine ADME / Ephrin signaling / CD28 dependent Vav1 pathway / presynaptic active zone / positive regulation of ruffle assembly / positive regulation of neutrophil chemotaxis / positive regulation of cell-substrate adhesion / Wnt signaling pathway, planar cell polarity pathway / superoxide anion generation / extrinsic component of membrane / lamellipodium assembly / regulation of receptor signaling pathway via JAK-STAT / small GTPase-mediated signal transduction / NRAGE signals death through JNK / Activation of RAC1 downstream of NMDARs / dendrite morphogenesis / negative regulation of fat cell differentiation / Rho GDP-dissociation inhibitor binding / regulation of cell size / synaptic transmission, GABAergic / RHOJ GTPase cycle / positive regulation of Rho protein signal transduction / positive regulation of dendritic spine development / positive regulation of actin filament polymerization / establishment or maintenance of cell polarity / pericentriolar material / Rac protein signal transduction / RHO GTPases activate PAKs / semaphorin-plexin signaling pathway / CDC42 GTPase cycle / ficolin-1-rich granule membrane / regulation of postsynapse assembly / Sema3A PAK dependent Axon repulsion / RHOG GTPase cycle / EPH-ephrin mediated repulsion of cells / RHOA GTPase cycle / regulation of neuronal synaptic plasticity / positive regulation of focal adhesion assembly / RHO GTPases Activate NADPH Oxidases / RAC2 GTPase cycle / anatomical structure morphogenesis / RAC3 GTPase cycle 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: 2.86 Å | |||||||||
データ登録者 | Chen, C.-L. / Ravala, S.K. / Bandekar, S.J. / Cash, J. / Tesmer, J.J.G. | |||||||||
| 資金援助 | 米国, 2件
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引用 | ジャーナル: J Biol Chem / 年: 2022タイトル: Structural/functional studies of Trio provide insights into its configuration and show that conserved linker elements enhance its activity for Rac1. 著者: Sumit J Bandekar / Chun-Liang Chen / Sandeep K Ravala / Jennifer N Cash / Larisa V Avramova / Mariya V Zhalnina / J Silvio Gutkind / Sheng Li / John J G Tesmer / ![]() 要旨: Trio is a large and highly conserved metazoan signaling scaffold that contains two Dbl family guanine nucleotide exchange factor (GEF) modules, TrioN and TrioC, selective for Rac and RhoA GTPases, ...Trio is a large and highly conserved metazoan signaling scaffold that contains two Dbl family guanine nucleotide exchange factor (GEF) modules, TrioN and TrioC, selective for Rac and RhoA GTPases, respectively. The GEF activities of TrioN and TrioC are implicated in several cancers, especially uveal melanoma. However, little is known about how these modules operate in the context of larger fragments of Trio. Here we show via negative stain electron microscopy that the N-terminal region of Trio is extended and could thus serve as a rigid spacer between the N-terminal putative lipid-binding domain and TrioN, whereas the C-terminal half of Trio seems globular. We found that regions C-terminal to TrioN enhance its Rac1 GEF activity and thus could play a regulatory role. We went on to characterize a minimal, well-behaved Trio fragment with enhanced activity, Trio, in complex with Rac1 using cryo-electron microscopy and hydrogen-deuterium exchange mass spectrometry and found that the region conferring enhanced activity is disordered. Deletion of two different strongly conserved motifs in this region eliminated this enhancement, suggesting that they form transient intramolecular interactions that promote GEF activity. Because Dbl family RhoGEF modules have been challenging to directly target with small molecules, characterization of accessory Trio domains such as these may provide alternate routes for the development of therapeutics that inhibit Trio activity in human cancer. | |||||||||
| 履歴 |
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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 | 7sj4.cif.gz | 119.8 KB | 表示 | PDBx/mmCIF形式 |
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| PDB形式 | pdb7sj4.ent.gz | 83.9 KB | 表示 | PDB形式 |
| PDBx/mmJSON形式 | 7sj4.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
| 文書・要旨 | 7sj4_validation.pdf.gz | 834.2 KB | 表示 | wwPDB検証レポート |
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| 文書・詳細版 | 7sj4_full_validation.pdf.gz | 835.8 KB | 表示 | |
| XML形式データ | 7sj4_validation.xml.gz | 22.8 KB | 表示 | |
| CIF形式データ | 7sj4_validation.cif.gz | 32.4 KB | 表示 | |
| アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/sj/7sj4 ftp://data.pdbj.org/pub/pdb/validation_reports/sj/7sj4 | HTTPS FTP |
-関連構造データ
| 関連構造データ | ![]() 25153MC 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 F&H 検索 |
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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: 75592.969 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: TRIO / 発現宿主: ![]() 参照: UniProt: O75962, non-specific serine/threonine protein kinase |
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| #2: タンパク質 | 分子量: 21811.453 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: RAC1, TC25, MIG5 / 発現宿主: ![]() |
| #3: 水 | ChemComp-HOH / |
-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: Human Trio residues 1284-1959 in complex with Rac1 / タイプ: COMPLEX / Entity ID: #1-#2 / 由来: RECOMBINANT | ||||||||||||||||||||
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| 分子量 | 実験値: NO | ||||||||||||||||||||
| 由来(天然) | 生物種: Homo sapiens (ヒト) | ||||||||||||||||||||
| 由来(組換発現) | 生物種: ![]() | ||||||||||||||||||||
| 緩衝液 | pH: 8 | ||||||||||||||||||||
| 緩衝液成分 |
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| 試料 | 濃度: 0.25 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: GOLD / グリッドのサイズ: 300 divisions/in. / グリッドのタイプ: UltrAuFoil R1.2/1.3 | ||||||||||||||||||||
| 急速凍結 | 装置: FEI VITROBOT MARK IV / 凍結剤: ETHANE / 湿度: 100 % / 凍結前の試料温度: 277 K / 詳細: Blot force 10 |
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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: FIELD EMISSION GUN / 加速電圧: 300 kV / 照射モード: FLOOD BEAM |
| 電子レンズ | モード: BRIGHT FIELD / 倍率(公称値): 81000 X / 最大 デフォーカス(公称値): 3000 nm / 最小 デフォーカス(公称値): 1000 nm / Cs: 2.7 mm / C2レンズ絞り径: 100 µm / アライメント法: COMA FREE |
| 試料ホルダ | 凍結剤: NITROGEN 試料ホルダーモデル: FEI TITAN KRIOS AUTOGRID HOLDER Residual tilt: 0.01 mradians |
| 撮影 | 平均露光時間: 3.12 sec. / 電子線照射量: 55 e/Å2 / 検出モード: SUPER-RESOLUTION フィルム・検出器のモデル: GATAN K3 BIOQUANTUM (6k x 4k) 実像数: 2817 詳細: 3514 movies were initially collected. After motion correction and CTF estimation, 697 micrographs were rejected due to poor CTF fitting. |
| 画像スキャン | 横: 11520 / 縦: 8184 / 動画フレーム数/画像: 40 |
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解析
| ソフトウェア | 名称: PHENIX / バージョン: 1.20_4459: / 分類: 精密化 | ||||||||||||||||||||||||||||||||||||||||||||||||
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| EMソフトウェア |
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| CTF補正 | タイプ: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||||||||||||||||||||||||||
| 対称性 | 点対称性: C1 (非対称) | ||||||||||||||||||||||||||||||||||||||||||||||||
| 3次元再構成 | 解像度: 2.86 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 922202 / アルゴリズム: BACK PROJECTION / 対称性のタイプ: POINT | ||||||||||||||||||||||||||||||||||||||||||||||||
| 原子モデル構築 | プロトコル: RIGID BODY FIT / 空間: REAL / Target criteria: correlation coefficient 詳細: The initial model was generated from the pdb structure (2NZ8) using the SWISS-MODEL server and rigid-body fitted using Chimera. Several runs of structure refinement were done using the coot ...詳細: The initial model was generated from the pdb structure (2NZ8) using the SWISS-MODEL server and rigid-body fitted using Chimera. Several runs of structure refinement were done using the coot and phenix real-space refinement. | ||||||||||||||||||||||||||||||||||||||||||||||||
| 原子モデル構築 | 3D fitting-ID: 1 / Accession code: 2NZ8 / Initial refinement model-ID: 1 / PDB-ID: 2NZ8 / Source name: PDB / タイプ: experimental model
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| 拘束条件 |
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万見について




Homo sapiens (ヒト)
米国, 2件
引用
PDBj






















FIELD EMISSION GUN
