+データを開く
-基本情報
登録情報 | データベース: EMDB / ID: EMD-30851 | |||||||||
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タイトル | Voltage-gated sodium channel Nav1.1 and beta4 | |||||||||
マップデータ | voltage-gated sodium channel | |||||||||
試料 |
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機能・相同性 | 機能・相同性情報 AV node cell action potential / voltage-gated sodium channel activity involved in cardiac muscle cell action potential / regulation of sodium ion transmembrane transporter activity / voltage-gated monoatomic ion channel activity / membrane depolarization during cardiac muscle cell action potential / positive regulation of sodium ion transport / membrane depolarization during action potential / cardiac muscle cell action potential involved in contraction / regulation of ventricular cardiac muscle cell membrane repolarization / voltage-gated sodium channel complex ...AV node cell action potential / voltage-gated sodium channel activity involved in cardiac muscle cell action potential / regulation of sodium ion transmembrane transporter activity / voltage-gated monoatomic ion channel activity / membrane depolarization during cardiac muscle cell action potential / positive regulation of sodium ion transport / membrane depolarization during action potential / cardiac muscle cell action potential involved in contraction / regulation of ventricular cardiac muscle cell membrane repolarization / voltage-gated sodium channel complex / regulation of monoatomic ion transmembrane transport / Interaction between L1 and Ankyrins / voltage-gated sodium channel activity / sodium ion transport / Phase 0 - rapid depolarisation / regulation of heart rate by cardiac conduction / intercalated disc / neuronal action potential / sodium ion transmembrane transport / sodium channel regulator activity / monoatomic cation channel activity / detection of mechanical stimulus involved in sensory perception of pain / cardiac muscle contraction / establishment of localization in cell / Sensory perception of sweet, bitter, and umami (glutamate) taste / Z disc / transmembrane transporter binding / nuclear body / axon / nucleoplasm / plasma membrane 類似検索 - 分子機能 | |||||||||
生物種 | Homo sapiens (ヒト) | |||||||||
手法 | 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 3.3 Å | |||||||||
データ登録者 | Yan N / Pan X / Li Z / Huang G | |||||||||
資金援助 | 中国, 1件
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引用 | ジャーナル: Proc Natl Acad Sci U S A / 年: 2021 タイトル: Comparative structural analysis of human Na1.1 and Na1.5 reveals mutational hotspots for sodium channelopathies. 著者: Xiaojing Pan / Zhangqiang Li / Xueqin Jin / Yanyu Zhao / Gaoxingyu Huang / Xiaoshuang Huang / Zilin Shen / Yong Cao / Mengqiu Dong / Jianlin Lei / Nieng Yan / 要旨: Among the nine subtypes of human voltage-gated sodium (Na) channels, the brain and cardiac isoforms, Na1.1 and Na1.5, each carry more than 400 missense mutations respectively associated with epilepsy ...Among the nine subtypes of human voltage-gated sodium (Na) channels, the brain and cardiac isoforms, Na1.1 and Na1.5, each carry more than 400 missense mutations respectively associated with epilepsy and cardiac disorders. High-resolution structures are required for structure-function relationship dissection of the disease variants. We report the cryo-EM structures of the full-length human Na1.1-β4 complex at 3.3 Å resolution here and the Na1.5-E1784K variant in the accompanying paper. Up to 341 and 261 disease-related missense mutations in Na1.1 and Na1.5, respectively, are resolved. Comparative structural analysis reveals several clusters of disease mutations that are common to both Na1.1 and Na1.5. Among these, the majority of mutations on the extracellular loops above the pore domain and the supporting segments for the selectivity filter may impair structural integrity, while those on the pore domain and the voltage-sensing domains mostly interfere with electromechanical coupling and fast inactivation. Our systematic structural delineation of these mutations provides important insight into their pathogenic mechanism, which will facilitate the development of precise therapeutic interventions against various sodium channelopathies. | |||||||||
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: SurfViewMolmilJmol/JSmol |
添付画像 |
-ダウンロードとリンク
-EMDBアーカイブ
マップデータ | emd_30851.map.gz | 28 MB | EMDBマップデータ形式 | |
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ヘッダ (付随情報) | emd-30851-v30.xml emd-30851.xml | 13.1 KB 13.1 KB | 表示 表示 | EMDBヘッダ |
画像 | emd_30851.png | 111.7 KB | ||
アーカイブディレクトリ | http://ftp.pdbj.org/pub/emdb/structures/EMD-30851 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-30851 | HTTPS FTP |
-関連構造データ
-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 |
-マップ
ファイル | ダウンロード / ファイル: emd_30851.map.gz / 形式: CCP4 / 大きさ: 30.5 MB / タイプ: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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注釈 | voltage-gated sodium channel | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
ボクセルのサイズ | X=Y=Z: 1.0979 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
-試料の構成要素
-全体 : Voltage-gated sodium channel
全体 | 名称: Voltage-gated sodium channel |
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要素 |
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-超分子 #1: Voltage-gated sodium channel
超分子 | 名称: Voltage-gated sodium channel / タイプ: complex / ID: 1 / 親要素: 0 / 含まれる分子: #1-#2 |
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由来(天然) | 生物種: Homo sapiens (ヒト) |
組換発現 | 生物種: Homo sapiens (ヒト) |
-分子 #1: Sodium channel subunit beta-4
分子 | 名称: Sodium channel subunit beta-4 / 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: Homo sapiens (ヒト) |
分子量 | 理論値: 25.00098 KDa |
組換発現 | 生物種: Homo sapiens (ヒト) |
配列 | 文字列: MPGAGDGGKA PARWLGTGLL GLFLLPVTLS LEVSVGKATD IYAVNGTEIL LPCTFSSCFG FEDLHFRWTY NSSDAFKILI EGTVKNEKS DPKVTLKDDD RITLVGSTKE KMNNISIVLR DLEFSDTGKY TCHVKNPKEN NLQHHATIFL QVVDRLEEVD N TVTLIILA ...文字列: MPGAGDGGKA PARWLGTGLL GLFLLPVTLS LEVSVGKATD IYAVNGTEIL LPCTFSSCFG FEDLHFRWTY NSSDAFKILI EGTVKNEKS DPKVTLKDDD RITLVGSTKE KMNNISIVLR DLEFSDTGKY TCHVKNPKEN NLQHHATIFL QVVDRLEEVD N TVTLIILA VVGGVIGLLI LILLIKKLII FILKKTREKK KECLVSSSGN DNTENGLPGS KAEEKPPSKV |
-分子 #2: Sodium channel protein type 1 subunit alpha
分子 | 名称: Sodium channel protein type 1 subunit alpha / 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: Homo sapiens (ヒト) |
分子量 | 理論値: 233.796141 KDa |
組換発現 | 生物種: Homo sapiens (ヒト) |
配列 | 文字列: MASWSHPQFE KGGGARGGSG GGSWSHPQFE KGFDYKDDDD KGTMEQTVLV PPGPDSFNFF TRESLAAIER RIAEEKAKNP KPDKKDDDE NGPKPNSDLE AGKNLPFIYG DIPPEMVSEP LEDLDPYYIN KKTFIVLNKG KAIFRFSATS ALYILTPFNP L RKIAIKIL ...文字列: MASWSHPQFE KGGGARGGSG GGSWSHPQFE KGFDYKDDDD KGTMEQTVLV PPGPDSFNFF TRESLAAIER RIAEEKAKNP KPDKKDDDE NGPKPNSDLE AGKNLPFIYG DIPPEMVSEP LEDLDPYYIN KKTFIVLNKG KAIFRFSATS ALYILTPFNP L RKIAIKIL VHSLFSMLIM CTILTNCVFM TMSNPPDWTK NVEYTFTGIY TFESLIKIIA RGFCLEDFTF LRDPWNWLDF TV ITFAYVT EFVDLGNVSA LRTFRVLRAL KTISVIPGLK TIVGALIQSV KKLSDVMILT VFCLSVFALI GLQLFMGNLR NKC IQWPPT NASLEEHSIE KNITVNYNGT LINETVFEFD WKSYIQDSRY HYFLEGFLDA LLCGNSSDAG QCPEGYMCVK AGRN PNYGY TSFDTFSWAF LSLFRLMTQD FWENLYQLTL RAAGKTYMIF FVLVIFLGSF YLINLILAVV AMAYEEQNQA TLEEA EQKE AEFQQMIEQL KKQQEAAQQA ATATASEHSR EPSAAGRLSD SSSEASKLSS KSAKERRNRR KKRKQKEQSG GEEKDE DEF QKSESEDSIR RKGFRFSIEG NRLTYEKRYS SPHQSLLSIR GSLFSPRRNS RTSLFSFRGR AKDVGSENDF ADDEHST FE DNESRRDSLF VPRRHGERRN SNLSQTSRSS RMLAVFPANG KMHSTVDCNG VVSLVGGPSV PTSPVGQLLP EVIIDKPA T DDNGTTTETE MRKRRSSSFH VSMDFLEDPS QRQRAMSIAS ILTNTVEELE ESRQKCPPCW YKFSNIFLIW DCSPYWLKV KHVVNLVVMD PFVDLAITIC IVLNTLFMAM EHYPMTDHFN NVLTVGNLVF TGIFTAEMFL KIIAMDPYYY FQEGWNIFDG FIVTLSLVE LGLANVEGLS VLRSFRLLRV FKLAKSWPTL NMLIKIIGNS VGALGNLTLV LAIIVFIFAV VGMQLFGKSY K DCVCKIAS DCQLPRWHMN DFFHSFLIVF RVLCGEWIET MWDCMEVAGQ AMCLTVFMMV MVIGNLVVLN LFLALLLSSF SA DNLAATD DDNEMNNLQI AVDRMHKGVA YVKRKIYEFI QQSFIRKQKI LDEIKPLDDL NNKKDSCMSN HTAEIGKDLD YLK DVNGTT SGIGTGSSVE KYIIDESDYM SFINNPSLTV TVPIAVGESD FENLNTEDFS SESDLEESKE KLNESSSSSE GSTV DIGAP VEEQPVVEPE ETLEPEACFT EGCVQRFKCC QINVEEGRGK QWWNLRRTCF RIVEHNWFET FIVFMILLSS GALAF EDIY IDQRKTIKTM LEYADKVFTY IFILEMLLKW VAYGYQTYFT NAWCWLDFLI VDVSLVSLTA NALGYSELGA IKSLRT LRA LRPLRALSRF EGMRVVVNAL LGAIPSIMNV LLVCLIFWLI FSIMGVNLFA GKFYHCINTT TGDRFDIEDV NNHTDCL KL IERNETARWK NVKVNFDNVG FGYLSLLQVA TFKGWMDIMY AAVDSRNVEL QPKYEESLYM YLYFVIFIIF GSFFTLNL F IGVIIDNFNQ QKKKFGGQDI FMTEEQKKYY NAMKKLGSKK PQKPIPRPGN KFQGMVFDFV TRQVFDISIM ILICLNMVT MMVETDDQSE YVTTILSRIN LVFIVLFTGE CVLKLISLRH YYFTIGWNIF DFVVVILSIV GMFLAELIEK YFVSPTLFRV IRLARIGRI LRLIKGAKGI RTLLFALMMS LPALFNIGLL LFLVMFIYAI FGMSNFAYVK REVGIDDMFN FETFGNSMIC L FQITTSAG WDGLLAPILN SKPPDCDPNK VNPGSSVKGD CGNPSVGIFF FVSYIIISFL VVVNMYIAVI LENFSVATEE SA EPLSEDD FEMFYEVWEK FDPDATQFME FEKLSQFAAA LEPPLNLPQP NKLQLIAMDL PMVSGDRIHC LDILFAFTKR VLG ESGEMD ALRIQMEERF MASNPSKVSY QPITTTLKRK QEEVSAVIIQ RAYRRHLLKR TVKQASFTYN KNKIKGGANL LIKE DMIID RINENSITEK TDLTMSTAAC PPSYDRVTKP IVEKHEQEGK DEKAKGK |
-分子 #3: 2-acetamido-2-deoxy-beta-D-glucopyranose
分子 | 名称: 2-acetamido-2-deoxy-beta-D-glucopyranose / タイプ: ligand / ID: 3 / コピー数: 4 / 式: NAG |
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分子量 | 理論値: 221.208 Da |
Chemical component information | ChemComp-NAG: |
-分子 #4: (3beta,14beta,17beta,25R)-3-[4-methoxy-3-(methoxymethyl)butoxy]sp...
分子 | 名称: (3beta,14beta,17beta,25R)-3-[4-methoxy-3-(methoxymethyl)butoxy]spirost-5-en タイプ: ligand / ID: 4 / コピー数: 1 / 式: 9Z9 |
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分子量 | 理論値: 544.805 Da |
Chemical component information | ChemComp-9Z9: |
-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 |
-試料調製
緩衝液 | pH: 7.5 |
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凍結 | 凍結剤: ETHANE |
-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 K3 (6k x 4k) / 平均電子線量: 48.0 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: FLOOD BEAM / 撮影モード: BRIGHT FIELD |
実験機器 | モデル: Titan Krios / 画像提供: FEI Company |
-画像解析
最終 再構成 | 解像度のタイプ: BY AUTHOR / 解像度: 3.3 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 使用した粒子像数: 133127 |
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初期 角度割当 | タイプ: MAXIMUM LIKELIHOOD |
最終 角度割当 | タイプ: MAXIMUM LIKELIHOOD |