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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: EMDB / ID: EMD-8823 | ||||||||||||||||||
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| タイトル | Activated GluA2 complex bound to glutamate, cyclothiazide, and STZ in digitonin | ||||||||||||||||||
マップデータ | Activated GluA2 complex bound to glutamate, cyclothiazide, and STZ in digitonin | ||||||||||||||||||
試料 |
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キーワード | Ion channel / TRANSPORT PROTEIN | ||||||||||||||||||
| 機能・相同性 | 機能・相同性情報Presynaptic depolarization and calcium channel opening / LGI-ADAM interactions / Trafficking of AMPA receptors / eye blink reflex / positive regulation of protein localization to basolateral plasma membrane / cerebellar mossy fiber / postsynaptic neurotransmitter receptor diffusion trapping / regulation of AMPA receptor activity / channel regulator activity / membrane hyperpolarization ...Presynaptic depolarization and calcium channel opening / LGI-ADAM interactions / Trafficking of AMPA receptors / eye blink reflex / positive regulation of protein localization to basolateral plasma membrane / cerebellar mossy fiber / postsynaptic neurotransmitter receptor diffusion trapping / regulation of AMPA receptor activity / channel regulator activity / membrane hyperpolarization / nervous system process / protein targeting to membrane / voltage-gated calcium channel complex / spine synapse / dendritic spine neck / dendritic spine cytoplasm / cellular response to amine stimulus / dendritic spine head / neurotransmitter receptor localization to postsynaptic specialization membrane / Activation of AMPA receptors / ligand-gated monoatomic cation channel activity / perisynaptic space / neuromuscular junction development / Trafficking of GluR2-containing AMPA receptors / response to lithium ion / AMPA glutamate receptor activity / transmission of nerve impulse / AMPA glutamate receptor clustering / kainate selective glutamate receptor activity / immunoglobulin binding / asymmetric synapse / AMPA glutamate receptor complex / regulation of receptor recycling / extracellularly glutamate-gated ion channel activity / cellular response to glycine / ionotropic glutamate receptor complex / membrane depolarization / Unblocking of NMDA receptors, glutamate binding and activation / glutamate receptor binding / conditioned place preference / positive regulation of synaptic transmission / regulation of postsynaptic membrane neurotransmitter receptor levels / voltage-gated calcium channel activity / response to fungicide / regulation of synaptic transmission, glutamatergic / positive regulation of synaptic transmission, glutamatergic / extracellular ligand-gated monoatomic ion channel activity / glutamate-gated receptor activity / cytoskeletal protein binding / cellular response to brain-derived neurotrophic factor stimulus / regulation of long-term synaptic depression / somatodendritic compartment / glutamate-gated calcium ion channel activity / presynaptic active zone membrane / excitatory synapse / ionotropic glutamate receptor signaling pathway / ionotropic glutamate receptor binding / dendrite membrane / ligand-gated monoatomic ion channel activity involved in regulation of presynaptic membrane potential / dendrite cytoplasm / positive regulation of excitatory postsynaptic potential / hippocampal mossy fiber to CA3 synapse / dendritic shaft / synaptic membrane / SNARE binding / PDZ domain binding / establishment of protein localization / synaptic transmission, glutamatergic / protein tetramerization / regulation of membrane potential / transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential / cerebral cortex development / response to calcium ion / receptor internalization / postsynaptic density membrane / modulation of chemical synaptic transmission / Schaffer collateral - CA1 synapse / terminal bouton / synaptic vesicle / long-term synaptic potentiation / amyloid-beta binding / synaptic vesicle membrane / growth cone / presynapse / signaling receptor activity / presynaptic membrane / scaffold protein binding / dendritic spine / chemical synaptic transmission / perikaryon / postsynaptic membrane / neuron projection / postsynaptic density / external side of plasma membrane / axon / neuronal cell body / synapse / dendrite / protein kinase binding / protein-containing complex binding 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: 4.2 Å | ||||||||||||||||||
データ登録者 | Twomey EC / Yelshanskaya MV | ||||||||||||||||||
| 資金援助 | 米国, 5件
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引用 | ジャーナル: Nature / 年: 2017タイトル: Channel opening and gating mechanism in AMPA-subtype glutamate receptors. 著者: Edward C Twomey / Maria V Yelshanskaya / Robert A Grassucci / Joachim Frank / Alexander I Sobolevsky / ![]() 要旨: AMPA (α-amino-3-hydroxy-5-methyl-4-isoxazole propionic acid)-subtype ionotropic glutamate receptors mediate fast excitatory neurotransmission throughout the central nervous system. Gated by the ...AMPA (α-amino-3-hydroxy-5-methyl-4-isoxazole propionic acid)-subtype ionotropic glutamate receptors mediate fast excitatory neurotransmission throughout the central nervous system. Gated by the neurotransmitter glutamate, AMPA receptors are critical for synaptic strength, and dysregulation of AMPA receptor-mediated signalling is linked to numerous neurological diseases. Here we use cryo-electron microscopy to solve the structures of AMPA receptor-auxiliary subunit complexes in the apo, antagonist- and agonist-bound states and determine the iris-like mechanism of ion channel opening. The ion channel selectivity filter is formed by the extended portions of the re-entrant M2 loops, while the helical portions of M2 contribute to extensive hydrophobic interfaces between AMPA receptor subunits in the ion channel. We show how the permeation pathway changes upon channel opening and identify conformational changes throughout the entire AMPA receptor that accompany activation and desensitization. Our findings provide a framework for understanding gating across the family of ionotropic glutamate receptors and the role of AMPA receptors in excitatory neurotransmission. | ||||||||||||||||||
| 履歴 |
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構造の表示
| ムービー |
ムービービューア |
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| 構造ビューア | EMマップ: SurfView Molmil Jmol/JSmol |
| 添付画像 |
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ダウンロードとリンク
-EMDBアーカイブ
| マップデータ | emd_8823.map.gz | 9.1 MB | EMDBマップデータ形式 | |
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| ヘッダ (付随情報) | emd-8823-v30.xml emd-8823.xml | 16.1 KB 16.1 KB | 表示 表示 | EMDBヘッダ |
| 画像 | emd_8823.png | 155.1 KB | ||
| Filedesc metadata | emd-8823.cif.gz | 6.4 KB | ||
| その他 | emd_8823_additional.map.gz | 8.6 MB | ||
| アーカイブディレクトリ | http://ftp.pdbj.org/pub/emdb/structures/EMD-8823 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-8823 | HTTPS FTP |
-関連構造データ
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リンク
| EMDBのページ | EMDB (EBI/PDBe) / EMDataResource |
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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 | ダウンロード / ファイル: emd_8823.map.gz / 形式: CCP4 / 大きさ: 103 MB / タイプ: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| 注釈 | Activated GluA2 complex bound to glutamate, cyclothiazide, and STZ in digitonin | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 投影像・断面図 | 画像のコントロール
画像は Spider により作成 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| ボクセルのサイズ | X=Y=Z: 1.08 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
-追加マップ: Focused TMD refinement of activated complex of GluA2...
| ファイル | emd_8823_additional.map | ||||||||||||
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| 注釈 | Focused TMD refinement of activated complex of GluA2 bound to glutamate, cyclothiazide and STZ | ||||||||||||
| 投影像・断面図 |
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| 密度ヒストグラム |
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試料の構成要素
-全体 : Activated GluA2 complex bound to glutamate, cyclothiazide, and ST...
| 全体 | 名称: Activated GluA2 complex bound to glutamate, cyclothiazide, and STZ in digitonin |
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| 要素 |
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-超分子 #1: Activated GluA2 complex bound to glutamate, cyclothiazide, and ST...
| 超分子 | 名称: Activated GluA2 complex bound to glutamate, cyclothiazide, and STZ in digitonin タイプ: complex / ID: 1 / 親要素: 0 / 含まれる分子: #1 |
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| 由来(天然) | 生物種: ![]() |
-分子 #1: Glutamate receptor 2,Voltage-dependent calcium channel gamma-2 su...
| 分子 | 名称: Glutamate receptor 2,Voltage-dependent calcium channel gamma-2 subunit chimera タイプ: protein_or_peptide / ID: 1 / コピー数: 4 / 光学異性体: LEVO |
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| 由来(天然) | 生物種: ![]() |
| 分子量 | 理論値: 115.501969 KDa |
| 組換発現 | 生物種: Homo sapiens (ヒト) |
| 配列 | 文字列: NSIQIGGLFP RGADQEYSAF RVGMVQFSTS EFRLTPHIDN LEVANSFAVT NAFCSQFSRG VYAIFGFYDK KSVNTITSFC GTLHVSFIT PSFPTDGTHP FVIQMRPDLK GALLSLIEYY QWDKFAYLYD SDRGLSTLQA VLDSAAEKKW QVTAINVGNI N NDKKDETY ...文字列: NSIQIGGLFP RGADQEYSAF RVGMVQFSTS EFRLTPHIDN LEVANSFAVT NAFCSQFSRG VYAIFGFYDK KSVNTITSFC GTLHVSFIT PSFPTDGTHP FVIQMRPDLK GALLSLIEYY QWDKFAYLYD SDRGLSTLQA VLDSAAEKKW QVTAINVGNI N NDKKDETY RSLFQDLELK KERRVILDCE RDKVNDIVDQ VITIGKHVKG YHYIIANLGF TDGDLLKIQF GGAEVSGFQI VD YDDSLVS KFIERWSTLE EKEYPGAHTA TIKYTSALTY DAVQVMTEAF RNLRKQRIEI SRRGNAGDCL ANPAVPWGQG VEI ERALKQ VQVEGLSGNI KFDQNGKRIN YTINIMELKT NGPRKIGYWS EVDKMVLTED DTSGLEQKTV VVTTILESPY VMMK KNHEM LEGNERYEGY CVDLAAEIAK HCGFKYKLTI VGDGKYGARD ADTKIWNGMV GELVYGKADI AIAPLTITLV REEVI DFSK PFMSLGISIM IKKPQKSKPG VFSFLDPLAY EIWMCIVFAY IGVSVVLFLV SRFSPYEWHT EEFEDGRETQ SSESTN EFG IFNSLWFSLG AFMQQGCDIS PRSLSGRIVG GVWWFFTLII ISSYTANLAA FLTVERMVSP IESAEDLSKQ TEIAYGT LD SGSTKEFFRR SKIAVFDKMW TYMRSAEPSV FVRTTAEGVA RVRKSKGKYA YLLESTMNEY IEQRKPCDTM KVGGNLDS K GYGIATPKGS SLGTPVNLAV LKLSEQGVLD KLKNKWWYDK GECGAKDSGS KEKTSALSLS NVAGVFYILV GGLGLAMLV ALIEFCYKSR AEAKRMKGTG LFDRGVQMLL TTVGAFAAFS LMTIAVGTDY WLYSRGVCKT KSVSEDETSK KNEEVMTHSG LWRTCCLEG NFKGLCKQID HFPEDADYEA DTAEYFLRAV RASSIFPILS VILLFMGGLC IAASEFYKTR HNIILSAGIF F VSAGLSNI IGIIVYISAN AGDPSKSDSK KNSYSYGWSF YFGALSFIIA EMVGVLAVHM FIDRHKQLTG GLVPRG UniProtKB: Glutamate receptor 2, Voltage-dependent calcium channel gamma-2 subunit |
-分子 #2: GLUTAMIC ACID
| 分子 | 名称: GLUTAMIC ACID / タイプ: ligand / ID: 2 / コピー数: 4 / 式: GLU |
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| 分子量 | 理論値: 147.129 Da |
| Chemical component information | ![]() ChemComp-GLU: |
-分子 #3: CYCLOTHIAZIDE
| 分子 | 名称: CYCLOTHIAZIDE / タイプ: ligand / ID: 3 / コピー数: 4 / 式: CYZ |
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| 分子量 | 理論値: 389.878 Da |
| Chemical component information | ![]() ChemComp-CYZ: |
-実験情報
-構造解析
| 手法 | クライオ電子顕微鏡法 |
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解析 | 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 | 4 mg/mL |
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| 緩衝液 | pH: 8 |
| グリッド | モデル: C-flat-1.2/1.3 / 材質: GOLD / メッシュ: 200 |
| 凍結 | 凍結剤: ETHANE / チャンバー内湿度: 100 % / チャンバー内温度: 295 K / 装置: FEI VITROBOT MARK IV |
| 詳細 | Activated GluA2 complex bound to glutamate, cyclothiazide, and STZ in digitonin |
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電子顕微鏡法
| 顕微鏡 | FEI TITAN KRIOS |
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| 撮影 | フィルム・検出器のモデル: GATAN K2 SUMMIT (4k x 4k) 検出モード: COUNTING / 平均露光時間: 8.0 sec. / 平均電子線量: 55.0 e/Å2 |
| 電子線 | 加速電圧: 300 kV / 電子線源: FIELD EMISSION GUN |
| 電子光学系 | 照射モード: SPOT SCAN / 撮影モード: BRIGHT FIELD |
| 実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |
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画像解析
| 初期モデル | モデルのタイプ: PDB ENTRY PDBモデル - PDB ID: 詳細: GluA2-2xSTZ in DDM |
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| 最終 再構成 | 想定した対称性 - 点群: C2 (2回回転対称) / 解像度のタイプ: BY AUTHOR / 解像度: 4.2 Å / 解像度の算出法: FSC 0.143 CUT-OFF 詳細: TMD map uploaded under additional files is at 4.0 angstrom resolution. 使用した粒子像数: 69207 |
| 初期 角度割当 | タイプ: ANGULAR RECONSTITUTION |
| 最終 角度割当 | タイプ: ANGULAR RECONSTITUTION |
-原子モデル構築 1
| 精密化 | 空間: REAL |
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| 得られたモデル | ![]() PDB-5weo: |
ムービー
コントローラー
万見について



キーワード
データ登録者
米国, 5件
引用
UCSF Chimera






















Z (Sec.)
Y (Row.)
X (Col.)





























Homo sapiens (ヒト)



