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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: 9pzv | |||||||||||||||||||||||||||
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| タイトル | Native GluN1/GluN2A in complex with 5F11 and 3D2 Fabs, local ATD dimer | |||||||||||||||||||||||||||
要素 |
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キーワード | TRANSPORT PROTEIN / ligand-gated ion channel / NMDA / antibody / native | |||||||||||||||||||||||||||
| 機能・相同性 | 機能・相同性情報Assembly and cell surface presentation of NMDA receptors / EPHB-mediated forward signaling / Synaptic adhesion-like molecules / Unblocking of NMDA receptors, glutamate binding and activation / neurotransmitter receptor transport, plasma membrane to endosome / RAF/MAP kinase cascade / receptor recycling / directional locomotion / pons maturation / regulation of cell communication ...Assembly and cell surface presentation of NMDA receptors / EPHB-mediated forward signaling / Synaptic adhesion-like molecules / Unblocking of NMDA receptors, glutamate binding and activation / neurotransmitter receptor transport, plasma membrane to endosome / RAF/MAP kinase cascade / receptor recycling / directional locomotion / pons maturation / regulation of cell communication / positive regulation of Schwann cell migration / olfactory learning / serotonin metabolic process / dendritic branch / conditioned taste aversion / protein localization to postsynaptic membrane / regulation of ARF protein signal transduction / regulation of respiratory gaseous exchange / transmitter-gated monoatomic ion channel activity / suckling behavior / sleep / positive regulation of inhibitory postsynaptic potential / dendritic spine organization / propylene metabolic process / response to glycine / locomotion / neurotransmitter receptor complex / regulation of monoatomic cation transmembrane transport / NMDA glutamate receptor activity / voltage-gated monoatomic cation channel activity / NMDA selective glutamate receptor complex / glutamate binding / glutamate receptor signaling pathway / ligand-gated sodium channel activity / transport vesicle membrane / neuromuscular process / regulation of axonogenesis / calcium ion transmembrane import into cytosol / regulation of dendrite morphogenesis / male mating behavior / regulation of synapse assembly / protein heterotetramerization / response to morphine / glycine binding / startle response / dopamine metabolic process / cellular response to zinc ion / positive regulation of reactive oxygen species biosynthetic process / response to lithium ion / parallel fiber to Purkinje cell synapse / monoatomic ion channel complex / regulation of postsynaptic membrane potential / monoatomic cation transmembrane transport / action potential / modulation of excitatory postsynaptic potential / positive regulation of calcium ion transport into cytosol / associative learning / positive regulation of dendritic spine maintenance / positive regulation of protein targeting to membrane / regulation of neuronal synaptic plasticity / monoatomic cation transport / prepulse inhibition / glutamate receptor binding / social behavior / ligand-gated monoatomic ion channel activity / phosphatase binding / long-term memory / postsynaptic density, intracellular component / monoatomic cation channel activity / synaptic cleft / calcium ion homeostasis / positive regulation of synaptic transmission, glutamatergic / glutamate-gated receptor activity / glutamate-gated calcium ion channel activity / presynaptic active zone membrane / cell adhesion molecule binding / neurogenesis / excitatory synapse / sensory perception of pain / ionotropic glutamate receptor signaling pathway / ionotropic glutamate receptor binding / dendrite membrane / cytoplasmic vesicle membrane / regulation of neuron apoptotic process / ligand-gated monoatomic ion channel activity involved in regulation of presynaptic membrane potential / protein tyrosine kinase binding / positive regulation of excitatory postsynaptic potential / hippocampal mossy fiber to CA3 synapse / sodium ion transmembrane transport / response to amphetamine / learning / adult locomotory behavior / synaptic membrane / cellular response to amino acid stimulus / locomotory behavior / synaptic transmission, glutamatergic / excitatory postsynaptic potential / regulation of membrane potential / transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential / negative regulation of protein catabolic process 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: 3.92 Å | |||||||||||||||||||||||||||
データ登録者 | Kim, J. / Gouaux, E. | |||||||||||||||||||||||||||
| 資金援助 | 米国, 1件
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引用 | ジャーナル: Sci Adv / 年: 2026タイトル: Cryo-EM of autoantibody-bound NMDA receptors reveals antigenic hotspots in an active immunization model of anti-NMDAR encephalitis. 著者: Junhoe Kim / Farzad Jalali-Yazdi / Brian E Jones / Gary L Westbrook / Eric Gouaux / ![]() 要旨: Autoantibodies targeting synaptic membrane proteins are associated with autoimmune encephalitis manifested by seizures, psychosis, and memory dysfunction. Anti--methyl-d-aspartate receptor (NMDAR) ...Autoantibodies targeting synaptic membrane proteins are associated with autoimmune encephalitis manifested by seizures, psychosis, and memory dysfunction. Anti--methyl-d-aspartate receptor (NMDAR) encephalitis, a prototype of these autoimmune synaptic disorders, is unexpectedly common. Unfortunately, how the native repertoire of anti-NMDAR autoantibodies recognizes NMDARs and the precise locations of antigenic epitopes remain poorly understood. Here, we used an active immunization model that closely mimics the human disease to immunize adult mice with intact GluN1/GluN2A receptors, resulting in fulminant autoimmune encephalitis. Serum was collected at 6 weeks postimmunization for single-particle cryo-electron microscopy of GluN1/GluN2A receptors complexed with purified polyclonal anti-NMDAR autoantibody fragments. Native autoantibodies recognized two distinct binding sites on the GluN1 amino-terminal domain, which we confirmed using monoclonal antibodies bound to native NMDARs purified from mouse brain. Structural analysis of autoantibody-bound NMDAR complexes identified antigenic hotspots within the GluN1 amino-terminal domain. These hotspots provide potential targets for therapeutic intervention. | |||||||||||||||||||||||||||
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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 | 9pzv.cif.gz | 259.1 KB | 表示 | PDBx/mmCIF形式 |
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| PDB形式 | pdb9pzv.ent.gz | 172.4 KB | 表示 | PDB形式 |
| PDBx/mmJSON形式 | 9pzv.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
| アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/pz/9pzv ftp://data.pdbj.org/pub/pdb/validation_reports/pz/9pzv | HTTPS FTP |
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-関連構造データ
| 関連構造データ | ![]() 72083MC ![]() 9pzqC ![]() 9pzrC ![]() 9pzsC ![]() 9pztC ![]() 9pzuC ![]() 9pzwC ![]() 9pzxC 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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| 1 |
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要素
-Glutamate receptor ionotropic, NMDA ... , 2種, 2分子 AB
| #1: タンパク質 | 分子量: 105617.820 Da / 分子数: 1 / 由来タイプ: 天然 / 由来: (天然) ![]() |
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| #2: タンパク質 | 分子量: 165619.891 Da / 分子数: 1 / 由来タイプ: 天然 / 由来: (天然) ![]() |
-抗体 , 4種, 4分子 HIJK
| #3: 抗体 | 分子量: 29432.527 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() 発現宿主: ![]() |
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| #4: 抗体 | 分子量: 26909.961 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() 発現宿主: ![]() |
| #5: 抗体 | 分子量: 15448.522 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() 発現宿主: ![]() |
| #6: 抗体 | 分子量: 13989.831 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() 発現宿主: ![]() |
-糖 , 2種, 10分子 
| #7: 多糖 | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose |
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| #8: 糖 | ChemComp-NAG / |
-詳細
| 研究の焦点であるリガンドがあるか | Y |
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| Has protein modification | Y |
-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: Native GluN1/GluN2A in complex with 5F11 and 3D2 Fabs, local ATD dimer タイプ: COMPLEX / Entity ID: #1-#6 / 由来: NATURAL |
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| 分子量 | 値: 0.23 MDa / 実験値: NO |
| 由来(天然) | 生物種: ![]() |
| 由来(組換発現) | 生物種: Homo sapiens (ヒト) |
| 緩衝液 | pH: 8 |
| 試料 | 濃度: 0.05 mg/ml / 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES |
| 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: 290 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: TFS 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 / 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 |
| 試料ホルダ | 凍結剤: NITROGEN |
| 撮影 | 電子線照射量: 65 e/Å2 フィルム・検出器のモデル: GATAN K3 BIOQUANTUM (6k x 4k) 実像数: 9851 |
| 電子光学装置 | 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: 20 eV |
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解析
| EMソフトウェア |
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| CTF補正 | タイプ: NONE | ||||||||||||||||||||||||
| 対称性 | 点対称性: C1 (非対称) | ||||||||||||||||||||||||
| 3次元再構成 | 解像度: 3.92 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 624529 / 対称性のタイプ: POINT | ||||||||||||||||||||||||
| 精密化 | 最高解像度: 3.92 Å 立体化学のターゲット値: REAL-SPACE (WEIGHTED MAP SUM AT ATOM CENTERS) |
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万見について






米国, 1件
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PDBj






Homo sapiens (ヒト)
FIELD EMISSION GUN