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基本情報
登録情報 | データベース: EMDB / ID: EMD-21678 | |||||||||
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タイトル | GluN1b-GluN2B NMDA receptor in complex with GluN2B antagonist SDZ 220-040, class 1 | |||||||||
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![]() | NMDARs / Ligand-gated ion channels / METAL TRANSPORT / Ionotropic glutamate receptor / MEMBRANE PROTEIN / GluN2B antagonist | |||||||||
機能・相同性 | ![]() cellular response to curcumin / cellular response to corticosterone stimulus / cellular response to magnesium starvation / sensory organ development / pons maturation / positive regulation of Schwann cell migration / regulation of cell communication / EPHB-mediated forward signaling / sensitization / auditory behavior ...cellular response to curcumin / cellular response to corticosterone stimulus / cellular response to magnesium starvation / sensory organ development / pons maturation / positive regulation of Schwann cell migration / regulation of cell communication / EPHB-mediated forward signaling / sensitization / auditory behavior / Assembly and cell surface presentation of NMDA receptors / response to hydrogen sulfide / olfactory learning / conditioned taste aversion / dendritic branch / regulation of respiratory gaseous exchange / response to other organism / protein localization to postsynaptic membrane / regulation of ARF protein signal transduction / transmitter-gated monoatomic ion channel activity / fear response / apical dendrite / positive regulation of inhibitory postsynaptic potential / suckling behavior / response to methylmercury / response to glycine / propylene metabolic process / response to manganese ion / response to carbohydrate / interleukin-1 receptor binding / cellular response to dsRNA / negative regulation of dendritic spine maintenance / cellular response to lipid / response to growth hormone / regulation of monoatomic cation transmembrane transport / heterocyclic compound binding / NMDA glutamate receptor activity / positive regulation of glutamate secretion / Synaptic adhesion-like molecules / RAF/MAP kinase cascade / voltage-gated monoatomic cation channel activity / response to glycoside / NMDA selective glutamate receptor complex / neurotransmitter receptor complex / ligand-gated sodium channel activity / glutamate binding / response to morphine / calcium ion transmembrane import into cytosol / regulation of axonogenesis / neuromuscular process / regulation of dendrite morphogenesis / protein heterotetramerization / male mating behavior / glycine binding / regulation of synapse assembly / response to amine / receptor clustering / parallel fiber to Purkinje cell synapse / small molecule binding / regulation of cAMP/PKA signal transduction / startle response / positive regulation of reactive oxygen species biosynthetic process / monoatomic cation transmembrane transport / behavioral response to pain / positive regulation of calcium ion transport into cytosol / response to magnesium ion / regulation of postsynaptic membrane potential / regulation of neuron apoptotic process / regulation of MAPK cascade / action potential / associative learning / cellular response to glycine / extracellularly glutamate-gated ion channel activity / monoatomic cation transport / excitatory synapse / social behavior / positive regulation of dendritic spine maintenance / response to electrical stimulus / regulation of neuronal synaptic plasticity / monoatomic ion channel complex / positive regulation of excitatory postsynaptic potential / glutamate receptor binding / Unblocking of NMDA receptors, glutamate binding and activation / response to mechanical stimulus / long-term memory / detection of mechanical stimulus involved in sensory perception of pain / positive regulation of synaptic transmission, glutamatergic / behavioral fear response / synaptic cleft / multicellular organismal response to stress / neuron development / prepulse inhibition / postsynaptic density, intracellular component / phosphatase binding / monoatomic cation channel activity / calcium ion homeostasis / response to fungicide / glutamate-gated receptor activity / cell adhesion molecule binding / D2 dopamine receptor 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: 4.09 Å | |||||||||
![]() | Chou T / Tajima N | |||||||||
資金援助 | ![]()
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![]() | ![]() タイトル: Structural Basis of Functional Transitions in Mammalian NMDA Receptors. 著者: Tsung-Han Chou / Nami Tajima / Annabel Romero-Hernandez / Hiro Furukawa / ![]() 要旨: Excitatory neurotransmission meditated by glutamate receptors including N-methyl-D-aspartate receptors (NMDARs) is pivotal to brain development and function. NMDARs are heterotetramers composed of ...Excitatory neurotransmission meditated by glutamate receptors including N-methyl-D-aspartate receptors (NMDARs) is pivotal to brain development and function. NMDARs are heterotetramers composed of GluN1 and GluN2 subunits, which bind glycine and glutamate, respectively, to activate their ion channels. Despite importance in brain physiology, the precise mechanisms by which activation and inhibition occur via subunit-specific binding of agonists and antagonists remain largely unknown. Here, we show the detailed patterns of conformational changes and inter-subunit and -domain reorientation leading to agonist-gating and subunit-dependent competitive inhibition by providing multiple structures in distinct ligand states at 4 Å or better. The structures reveal that activation and competitive inhibition by both GluN1 and GluN2 antagonists occur by controlling the tension of the linker between the ligand-binding domain and the transmembrane ion channel of the GluN2 subunit. Our results provide detailed mechanistic insights into NMDAR pharmacology, activation, and inhibition, which are fundamental to the brain physiology. | |||||||||
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: ![]() ![]() ![]() |
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マップデータ | ![]() | 59.4 MB | ![]() | |
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ヘッダ (付随情報) | ![]() ![]() | 15.1 KB 15.1 KB | 表示 表示 | ![]() |
画像 | ![]() | 67.1 KB | ||
Filedesc metadata | ![]() | 6.5 KB | ||
その他 | ![]() | 59.1 MB | ||
アーカイブディレクトリ | ![]() ![]() | HTTPS FTP |
-検証レポート
文書・要旨 | ![]() | 597.9 KB | 表示 | ![]() |
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文書・詳細版 | ![]() | 597.5 KB | 表示 | |
XML形式データ | ![]() | 6.4 KB | 表示 | |
CIF形式データ | ![]() | 7.4 KB | 表示 | |
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 | ![]() 6whwMC ![]() 6usuC ![]() 6usvC ![]() 6whrC ![]() 6whsC ![]() 6whtC ![]() 6whuC ![]() 6whvC ![]() 6whxC ![]() 6whyC ![]() 6wi0C ![]() 6wi1C 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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注釈 | B factor sharpened (-90) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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: 1.37 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: Unsharpened map
ファイル | emd_21678_additional.map | ||||||||||||
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注釈 | Unsharpened map | ||||||||||||
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 : NMDA receptor GluN1b/2B functional ion channel complex
全体 | 名称: NMDA receptor GluN1b/2B functional ion channel complex |
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要素 |
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-超分子 #1: NMDA receptor GluN1b/2B functional ion channel complex
超分子 | 名称: NMDA receptor GluN1b/2B functional ion channel complex 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: ![]() ![]() |
-分子 #1: Ionotropic glutamate receptor , NMDA receptor GluN1b
分子 | 名称: Ionotropic glutamate receptor , NMDA receptor GluN1b タイプ: protein_or_peptide / ID: 1 / コピー数: 2 / 光学異性体: LEVO |
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由来(天然) | 生物種: ![]() ![]() |
分子量 | 理論値: 108.085633 KDa |
組換発現 | 生物種: ![]() ![]() |
配列 | 文字列: MSTMHLLTFA LLFSCSFARA ASDPKIVNIG AVLSTRKHEQ MFREAVNQAN KRHGSWKIQL QATSVTHKPN AIQMALSVCE DLISSQVYA ILVSHPPTPN DHFTPTPVSY TAGFYRIPVL GLTTRMSIYS DKSIHLSFLR TVPPYSHQSS VWFEMMRVYN W NHIILLVS ...文字列: MSTMHLLTFA LLFSCSFARA ASDPKIVNIG AVLSTRKHEQ MFREAVNQAN KRHGSWKIQL QATSVTHKPN AIQMALSVCE DLISSQVYA ILVSHPPTPN DHFTPTPVSY TAGFYRIPVL GLTTRMSIYS DKSIHLSFLR TVPPYSHQSS VWFEMMRVYN W NHIILLVS DDHEGRAAQK RLETLLEERE SKSKKRNYEN LDQLSYDNKR GPKAEKVLQF DPGTKNVTAL LMEARELEAR VI ILSASED DAATVYRAAA MLDMTGSGYV WLVGEREISG NALRYAPDGI IGLQLINGKN ESAHISDAVG VVAQAVHELL EKE NITDPP RGCVGNTNIW KTGPLFKRVL MSSKYADGVT GRVEFNEDGD RKFAQYSIMN LQNRKLVQVG IYNGTHVIPN DRKI IWPGG ETEKPRGYQM STRLKIVTIH QEPFVYVKPT MSDGTCKEEF TVNGDPVKKV ICTGPNDTSP GSPRHTVPQC CYGFC IDLL IKLARTMQFT YEVHLVADGK FGTQERVQNS NKKEWNGMMG ELLSGQADMI VAPLTINNER AQYIEFSKPF KYQGLT ILV KKEIPRSTLD SFMQPFQSTL WLLVGLSVHV VAVMLYLLDR FSPFGRFKVN SQSESTDALT LSSAMWFSWG VLLNSGI GE GAPRSFSARI LGMVWAGFAM IIVASYTANL AAFLVLDRPE ERITGINDPR LRNPSDKFIY ATVKQSSVDI YFRRQVEL S TMYRHMEKHN YESAAEAIQA VRDNKLHAFI WDSAVLEFEA SQKCDLVTTG ELFFRSGFGI GMRKDSPWKQ QVSLSILKS HENGFMEDLD KTWVRYQECD SRSNAPATLT CENMAGVFML VAGGIVAGIF LIFIEIAYKR HKDARRKQMQ LAFAAVNVWR KNLQDRKSG RAEPDPKKKA TFRAITSTLA SSFKRRRSSK DTSTGGGRGA LQNQKDTVLP RRAIEREEGQ LQLCSRHRES |
-分子 #2: Ionotropic glutamate receptor , NMDA receptor GluN2B
分子 | 名称: Ionotropic glutamate receptor , NMDA receptor GluN2B タイプ: protein_or_peptide / ID: 2 / コピー数: 2 / 光学異性体: LEVO |
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由来(天然) | 生物種: ![]() ![]() |
分子量 | 理論値: 98.845859 KDa |
組換発現 | 生物種: ![]() ![]() |
配列 | 文字列: MGTMRLFLLA VLFLFSFARA TGWSHPQFEK GGGSGGGSGG SAWSHPQFEK GALVPRGRSQ KSPPSIGIAV ILVGTSDEVA IKDAHEKDD FHHLSVVPRV ELVAMNETDP KSIITRICDL MSDRKIQGVV FADDTDQEAI AQILDFISAQ TLTPILGIHG G SSMIMADK ...文字列: MGTMRLFLLA VLFLFSFARA TGWSHPQFEK GGGSGGGSGG SAWSHPQFEK GALVPRGRSQ KSPPSIGIAV ILVGTSDEVA IKDAHEKDD FHHLSVVPRV ELVAMNETDP KSIITRICDL MSDRKIQGVV FADDTDQEAI AQILDFISAQ TLTPILGIHG G SSMIMADK DESSMFFQFG PSIEQQASVM LNIMEEYDWY IFSIVTTYFP GYQDFVNKIR STIENSFVGW ELEEVLLLDM SL DDGDSKI QNQLKKLQSP IILLYCTKEE ATYIFEVANS VGLTGYGYTW IVPSLVAGDT DTVPSEFPTG LISVSYDEWD YGL PARVRD GIAIITTAAS DMLSEHSFIP EPKSSCYNTH EKRIYQSNML NRYLINVTFE GRDLSFSEDG YQMHPKLVII LLNK ERKWE RVGKWKDKSL QMKYYVWPRM CPETEEQEDD HLSIVTLEEA PFVIVESVDP LSGTCMRNTV PCQKRIISEN KTDEE PGYI KKCCKGFCID ILKKISKSVK FTYDLYLVTN GKHGKKINGT WNGMIGEVVM KRAYMAVGSL TINEERSEVV DFSVPF IET GISVMVSRSN GTVSPSAFLE PFSACVWVMM FVMLLIVSAV AVFVFEYFSP VGYNRSLADG REPGGPSFTI GKAIWLL WG LVFNNSVPVQ NPKGTTSKIM VSVWAFFAVI FLASYTANLA AFMIQEEYVD QVSGLSDKKF QRPNDFSPPF RFGTVPNG S TERNIRNNYA EMHAYMGKFN QRGVDDALLS LKTGKLDAFI YDAAVLNYMA GRDEGCKLVT IGSGKVFAST GYGIAIQKD SGWKRQVDLA ILQLFGDGEM EELEALWLTG ICHNEKNEVM SSQLDIDNMA GVFYMLGAAM ALSLITFISE HLFYWQFRHS FMG |
-分子 #3: (2S)-2-amino-3-[2',4'-dichloro-4-hydroxy-5-(phosphonomethyl)biphe...
分子 | 名称: (2S)-2-amino-3-[2',4'-dichloro-4-hydroxy-5-(phosphonomethyl)biphenyl-3-yl]propanoic acid タイプ: ligand / ID: 3 / コピー数: 2 / 式: QGP |
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分子量 | 理論値: 420.181 Da |
Chemical component information | ![]() ChemComp-QGP: |
-分子 #4: 2-acetamido-2-deoxy-beta-D-glucopyranose
分子 | 名称: 2-acetamido-2-deoxy-beta-D-glucopyranose / タイプ: ligand / ID: 4 / コピー数: 2 / 式: NAG |
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分子量 | 理論値: 221.208 Da |
Chemical component information | ![]() ChemComp-NAG: |
-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: 7.5 |
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凍結 | 凍結剤: ETHANE / チャンバー内湿度: 85 % / チャンバー内温度: 295 K |
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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: 64.5 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: OTHER / 詳細: Ab initio reconstruction |
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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: 4.09 Å / 解像度の算出法: FSC 0.143 CUT-OFF / ソフトウェア - 名称: cisTEM (ver. 1.0.0) / 使用した粒子像数: 404527 |
初期 角度割当 | タイプ: MAXIMUM LIKELIHOOD |
最終 角度割当 | タイプ: MAXIMUM LIKELIHOOD |