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基本情報
登録情報 | データベース: EMDB / ID: EMD-9697 | |||||||||
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タイトル | alpha-SNAP-SNARE subcomplex in the whole 20S complex | |||||||||
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![]() | membrane fusion / ATPase / MEMBRANE PROTEIN | |||||||||
機能・相同性 | ![]() soluble NSF attachment protein activity / exocytic insertion of neurotransmitter receptor to postsynaptic membrane / trans-Golgi Network Vesicle Budding / BLOC-1 complex / SNARE complex disassembly / regulation of delayed rectifier potassium channel activity / myosin head/neck binding / synaptic vesicle fusion to presynaptic active zone membrane / Other interleukin signaling / presynaptic dense core vesicle exocytosis ...soluble NSF attachment protein activity / exocytic insertion of neurotransmitter receptor to postsynaptic membrane / trans-Golgi Network Vesicle Budding / BLOC-1 complex / SNARE complex disassembly / regulation of delayed rectifier potassium channel activity / myosin head/neck binding / synaptic vesicle fusion to presynaptic active zone membrane / Other interleukin signaling / presynaptic dense core vesicle exocytosis / synaptobrevin 2-SNAP-25-syntaxin-1a-complexin I complex / synaptobrevin 2-SNAP-25-syntaxin-1a-complexin II complex / synaptobrevin 2-SNAP-25-syntaxin-1a complex / calcium ion-regulated exocytosis of neurotransmitter / Glutamate Neurotransmitter Release Cycle / Norepinephrine Neurotransmitter Release Cycle / Acetylcholine Neurotransmitter Release Cycle / Serotonin Neurotransmitter Release Cycle / GABA synthesis, release, reuptake and degradation / Lysosome Vesicle Biogenesis / regulated exocytosis / Dopamine Neurotransmitter Release Cycle / extrinsic component of presynaptic membrane / positive regulation of norepinephrine secretion / positive regulation of catecholamine secretion / synaptic vesicle docking / zymogen granule membrane / regulation of synaptic vesicle priming / Golgi Associated Vesicle Biogenesis / storage vacuole / regulation of establishment of protein localization / ribbon synapse / Insertion of tail-anchored proteins into the endoplasmic reticulum membrane / response to gravity / vesicle-mediated transport in synapse / positive regulation of calcium ion-dependent exocytosis / vesicle docking / eosinophil degranulation / regulation of exocytosis / secretion by cell / SNAP receptor activity / SNARE complex / chloride channel inhibitor activity / vesicle fusion / regulation of vesicle-mediated transport / calcium-ion regulated exocytosis / Cargo recognition for clathrin-mediated endocytosis / LGI-ADAM interactions / Clathrin-mediated endocytosis / actomyosin / positive regulation of intracellular protein transport / hormone secretion / Golgi to plasma membrane protein transport / positive regulation of hormone secretion / neurotransmitter secretion / ATP-dependent protein binding / neuron projection terminus / protein localization to membrane / syntaxin binding / regulation of synaptic vesicle recycling / syntaxin-1 binding / clathrin-coated vesicle / insulin secretion / endosomal transport / Neutrophil degranulation / SNARE complex assembly / positive regulation of neurotransmitter secretion / neurotransmitter transport / synaptic vesicle priming / regulation of synapse assembly / myosin binding / regulation of neuron projection development / exocytosis / associative learning / modulation of excitatory postsynaptic potential / positive regulation of exocytosis / synaptic vesicle exocytosis / protein sumoylation / synaptic vesicle endocytosis / postsynaptic cytosol / positive regulation of excitatory postsynaptic potential / voltage-gated potassium channel activity / long-term memory / calcium channel inhibitor activity / axonal growth cone / response to glucose / vesicle-mediated transport / presynaptic active zone membrane / somatodendritic compartment / voltage-gated potassium channel complex / photoreceptor inner segment / endomembrane system / cytoplasmic vesicle membrane / axonogenesis / SNARE binding / acrosomal vesicle / secretory granule / synaptic transmission, glutamatergic / filopodium / establishment of localization in cell 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: 3.9 Å | |||||||||
![]() | Huang X / Sun S | |||||||||
![]() | ![]() タイトル: Mechanistic insights into the SNARE complex disassembly. 著者: Xuan Huang / Shan Sun / Xiaojing Wang / Fenghui Fan / Qiang Zhou / Shan Lu / Yong Cao / Qiu-Wen Wang / Meng-Qiu Dong / Jun Yao / Sen-Fang Sui / ![]() 要旨: NSF (-ethylmaleimide-sensitive factor) and α-SNAP (α-soluble NSF attachment protein) bind to the SNARE (soluble NSF attachment protein receptor) complex, the minimum machinery to mediate membrane ...NSF (-ethylmaleimide-sensitive factor) and α-SNAP (α-soluble NSF attachment protein) bind to the SNARE (soluble NSF attachment protein receptor) complex, the minimum machinery to mediate membrane fusion, to form a 20S complex, which disassembles the SNARE complex for reuse. We report the cryo-EM structures of the α-SNAP-SNARE subcomplex and the NSF-D1D2 domain in the 20S complex at 3.9- and 3.7-Å resolutions, respectively. Combined with the biochemical and electrophysiological analyses, we find that α-SNAPs use R116 through electrostatic interactions and L197 through hydrophobic interactions to apply force mainly on two positions of the VAMP protein to execute disassembly process. Furthermore, we define the interaction between the amino terminus of the SNARE helical bundle and the pore loop of the NSF-D1 domain and demonstrate its essential role as a potential anchor for SNARE complex disassembly. Our studies provide a rotation model of α-SNAP-mediated disassembly of the SNARE complex. | |||||||||
履歴 |
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構造の表示
ムービー |
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構造ビューア | EMマップ: ![]() ![]() ![]() |
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 | ![]() | 14.6 MB | ![]() | |
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ヘッダ (付随情報) | ![]() ![]() | 13.6 KB 13.6 KB | 表示 表示 | ![]() |
画像 | ![]() | 185.1 KB | ||
Filedesc metadata | ![]() | 5.8 KB | ||
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 | ![]() 6ip1MC ![]() 9698C ![]() 9723C ![]() 9724C ![]() 9725C ![]() 9726C ![]() 9727C ![]() 9728C ![]() 9729C ![]() 6ip2C M: このマップから作成された原子モデル C: 同じ文献を引用 ( |
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類似構造データ |
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リンク
EMDBのページ | ![]() ![]() |
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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 | ![]() | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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: 1.30654 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
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試料の構成要素
-全体 : alpha-SNAP-SNARE subcomplex in the whole 20S complex
全体 | 名称: alpha-SNAP-SNARE subcomplex in the whole 20S complex |
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要素 |
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-超分子 #1: alpha-SNAP-SNARE subcomplex in the whole 20S complex
超分子 | 名称: alpha-SNAP-SNARE subcomplex in the whole 20S complex タイプ: complex / ID: 1 / 親要素: 0 / 含まれる分子: all |
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由来(天然) | 生物種: ![]() ![]() |
-分子 #1: Vesicle-associated membrane protein 2
分子 | 名称: Vesicle-associated membrane protein 2 / タイプ: protein_or_peptide / ID: 1 / コピー数: 1 / 光学異性体: LEVO |
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由来(天然) | 生物種: ![]() ![]() |
分子量 | 理論値: 10.550823 KDa |
組換発現 | 生物種: ![]() ![]() |
配列 | 文字列: GSHMSATAAT VPPAAPAGEG GPPAPPPNLT SNRRLQQTQA QVDEVVDIMR VNVDKVLERD QKLSELDDRA DALQAGASQF ETSAAKLKR KYWWKNLK UniProtKB: Vesicle-associated membrane protein 2 |
-分子 #2: Syntaxin-1A
分子 | 名称: Syntaxin-1A / タイプ: protein_or_peptide / ID: 2 / コピー数: 1 / 光学異性体: LEVO |
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由来(天然) | 生物種: ![]() ![]() |
分子量 | 理論値: 29.363736 KDa |
組換発現 | 生物種: ![]() ![]() |
配列 | 文字列: GSKDRTQELR TAKDSDDDDD VTVTVDRDRF MDEFFEQVEE IRGFIDKIAE NVEEVKRKHS AILASPNPDE KTKEELEELM SDIKKTANK VRSKLKSIEQ SIEQEEGLNR SSADLRIRKT QHSTLSRKFV EVMSEYNATQ SDYRERCKGR IQRQLEITGR T TTSEELED ...文字列: GSKDRTQELR TAKDSDDDDD VTVTVDRDRF MDEFFEQVEE IRGFIDKIAE NVEEVKRKHS AILASPNPDE KTKEELEELM SDIKKTANK VRSKLKSIEQ SIEQEEGLNR SSADLRIRKT QHSTLSRKFV EVMSEYNATQ SDYRERCKGR IQRQLEITGR T TTSEELED MLESGNPAIF ASGIIMDSSI SKQALSEIET RHSEIIKLEN SIRELHDMFM DMAMLVESQG EMIDRIEYNV EH AVDYVER AVSDTKK UniProtKB: Syntaxin-1A |
-分子 #3: Synaptosomal-associated protein 25
分子 | 名称: Synaptosomal-associated protein 25 / タイプ: protein_or_peptide / ID: 3 / コピー数: 1 / 光学異性体: LEVO |
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由来(天然) | 生物種: ![]() ![]() |
分子量 | 理論値: 11.571022 KDa |
組換発現 | 生物種: ![]() ![]() |
配列 | 文字列: GSMAEDADMR NELEEMQRRA DQLADESLES TRRMLQLVEE SKDAGIRTLV MLDEQGEQLE RIEEGMDQIN KDMKEAEKNL TDLGKFCGL CVCPCNKLKS SDA UniProtKB: Synaptosomal-associated protein 25 |
-分子 #4: Synaptosomal-associated protein 25
分子 | 名称: Synaptosomal-associated protein 25 / タイプ: protein_or_peptide / ID: 4 / コピー数: 1 / 光学異性体: LEVO |
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由来(天然) | 生物種: ![]() ![]() |
分子量 | 理論値: 9.277316 KDa |
組換発現 | 生物種: ![]() ![]() |
配列 | 文字列: GSQMAISGGF IRRVTNDARE NEMDENLEQV SGIIGNLRHM ALDMGNEIDT QNRQIDRIME KADSNKTRID EANQRATKML GSG UniProtKB: Synaptosomal-associated protein 25 |
-分子 #5: Alpha-soluble NSF attachment protein
分子 | 名称: Alpha-soluble NSF attachment protein / タイプ: protein_or_peptide / ID: 5 / 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: 34.795332 KDa |
組換発現 | 生物種: ![]() ![]() |
配列 | 文字列: GSMRGSHHHH HHGSMDNSGK EAEAMALLAE AERKVKNSQS FFSGLFGGSS KIEEACEIYA RAANMFKMAK NWSAAGSAFC QAAQLHLQL QSKHDAATCF VDAGNAFKKA DPQEAINCLM RAIEIYTDMG RFTIAAKHHI SIAEIYETEL VDIEKAIAHY E QSADYYKG ...文字列: GSMRGSHHHH HHGSMDNSGK EAEAMALLAE AERKVKNSQS FFSGLFGGSS KIEEACEIYA RAANMFKMAK NWSAAGSAFC QAAQLHLQL QSKHDAATCF VDAGNAFKKA DPQEAINCLM RAIEIYTDMG RFTIAAKHHI SIAEIYETEL VDIEKAIAHY E QSADYYKG EESNSSANKC LLKVAGYAAQ LEQYQKAIDI YEQVGTNAMD SPLLKYSAKD YFFKAALCHF CIDMLNAKLA VQ KYEELFP AFSDSRECKL MKKLLEAHEE QNVDSYTEAV KEYDSISRLD QWLTTMLLRI KKTIQGDEED LR UniProtKB: NAPA protein |
-実験情報
-構造解析
手法 | クライオ電子顕微鏡法 |
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![]() | 単粒子再構成法 |
試料の集合状態 | particle |
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試料調製
緩衝液 | pH: 7.4 |
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凍結 | 凍結剤: ETHANE |
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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) 平均電子線量: 50.0 e/Å2 |
電子線 | 加速電圧: 300 kV / 電子線源: ![]() |
電子光学系 | 照射モード: FLOOD BEAM / 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: EMDB MAP |
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最終 再構成 | 解像度のタイプ: BY AUTHOR / 解像度: 3.9 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 使用した粒子像数: 97910 |
初期 角度割当 | タイプ: RANDOM ASSIGNMENT |
最終 角度割当 | タイプ: MAXIMUM LIKELIHOOD |