登録情報 データベース : EMDB / ID : EMD-23041 構造の表示 ダウンロードとリンクタイトル Cyro-EM structure of human Glycine Receptor alpha2-beta heteromer, strychnine bound state マップデータ 詳細 試料複合体 : Glycine receptor alpha2-beta heteromer with strychnine複合体 : Glycine receptor subunit alpha-2タンパク質・ペプチド : Glycine receptor subunit alpha-2複合体 : Glycine receptor subunit beta, Green fluorescent protein chimeraタンパク質・ペプチド : Glycine receptor subunit beta, Green fluorescent protein chimeraリガンド : 2-acetamido-2-deoxy-beta-D-glucopyranoseリガンド : STRYCHNINE 詳細 キーワード glycine receptor / alpha2-beta hetero-pentamer / strychnine / MEMBRANE PROTEIN / SIGNALING PROTEIN機能・相同性 機能・相同性情報分子機能 ドメイン・相同性 構成要素
synaptic transmission, glycinergic / glycine-gated chloride ion channel activity / acrosome reaction / glycine-gated chloride channel complex / gamma-aminobutyric acid receptor clustering / Neurotransmitter receptors and postsynaptic signal transmission / postsynaptic specialization / extracellularly glycine-gated ion channel activity / righting reflex / extracellularly glycine-gated chloride channel activity ... synaptic transmission, glycinergic / glycine-gated chloride ion channel activity / acrosome reaction / glycine-gated chloride channel complex / gamma-aminobutyric acid receptor clustering / Neurotransmitter receptors and postsynaptic signal transmission / postsynaptic specialization / extracellularly glycine-gated ion channel activity / righting reflex / extracellularly glycine-gated chloride channel activity / glycinergic synapse / cellular response to ethanol / adult walking behavior / cellular response to zinc ion / postsynaptic specialization membrane / glycine binding / startle response / chloride channel complex / neuropeptide signaling pathway / monoatomic ion transport / visual perception / chloride transmembrane transport / bioluminescence / transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential / GABA-ergic synapse / cell projection / generation of precursor metabolites and energy / cellular response to amino acid stimulus / modulation of chemical synaptic transmission / transmembrane signaling receptor activity / nervous system development / monoatomic ion transmembrane transport / chemical synaptic transmission / postsynaptic membrane / intracellular membrane-bounded organelle / dendrite / protein-containing complex binding / metal ion binding / plasma membrane / cytoplasm 類似検索 - 分子機能 Glycine receptor alpha2 / : / Glycine receptor beta / : / Glycine receptor alpha / Gamma-aminobutyric acid A receptor/Glycine receptor alpha / Neurotransmitter-gated ion-channel transmembrane domain / Neurotransmitter-gated ion-channel transmembrane region / Neurotransmitter-gated ion-channel, conserved site / Neurotransmitter-gated ion-channels signature. ... Glycine receptor alpha2 / : / Glycine receptor beta / : / Glycine receptor alpha / Gamma-aminobutyric acid A receptor/Glycine receptor alpha / Neurotransmitter-gated ion-channel transmembrane domain / Neurotransmitter-gated ion-channel transmembrane region / Neurotransmitter-gated ion-channel, conserved site / Neurotransmitter-gated ion-channels signature. / Neurotransmitter-gated ion-channel transmembrane domain superfamily / Neuronal acetylcholine receptor / Green fluorescent protein, GFP / Neurotransmitter-gated ion-channel / Neurotransmitter-gated ion-channel ligand-binding domain / Neurotransmitter-gated ion-channel ligand-binding domain superfamily / Neurotransmitter-gated ion-channel ligand binding domain / Green fluorescent protein-related / Green fluorescent protein / Green fluorescent protein 類似検索 - ドメイン・相同性 Glycine receptor subunit alpha-2 / Green fluorescent protein / Glycine receptor subunit beta 類似検索 - 構成要素生物種 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 : 3.6 Å 詳細 データ登録者Yu H / Wang W 資金援助 米国, 1件 詳細 詳細を隠すOrganization Grant number 国 Welch Foundation I-2020-20190330 米国
引用ジャーナル : Neuron / 年 : 2021タイトル : Characterization of the subunit composition and structure of adult human glycine receptors.著者 : Hailong Yu / Xiao-Chen Bai / Weiwei Wang / 要旨 : The strychnine-sensitive pentameric glycine receptor (GlyR) mediates fast inhibitory neurotransmission in the mammalian nervous system. Only heteromeric GlyRs mediate synaptic transmission, as they ... The strychnine-sensitive pentameric glycine receptor (GlyR) mediates fast inhibitory neurotransmission in the mammalian nervous system. Only heteromeric GlyRs mediate synaptic transmission, as they contain the β subunit that permits clustering at the synapse through its interaction with scaffolding proteins. Here, we show that α2 and β subunits assemble with an unexpected 4:1 stoichiometry to produce GlyR with native electrophysiological properties. We determined structures in multiple functional states at 3.6-3.8 Å resolutions and show how 4:1 stoichiometry is consistent with the structural features of α2β GlyR. Furthermore, we show that one single β subunit in each GlyR gives rise to the characteristic electrophysiological properties of heteromeric GlyR, while more β subunits render GlyR non-conductive. A single β subunit ensures a univalent GlyR-scaffold linkage, which means the scaffold alone regulates the cluster properties. 履歴 登録 2020年11月25日 - ヘッダ(付随情報) 公開 2021年9月8日 - マップ公開 2021年9月8日 - 更新 2024年10月30日 - 現状 2024年10月30日 処理サイト : RCSB / 状態 : 公開
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