登録情報 データベース : EMDB / ID : EMD-24947 ダウンロードとリンクタイトル Phencyclidine-bound GluN1a-GluN2B NMDA receptors マップデータB-factor sharpened map 詳細 試料複合体 : Hetero-tetrameric GluN1a-GluN2B NMDAR receptorsタンパク質・ペプチド : Glutamate receptor ionotropic, NMDA 1タンパク質・ペプチド : Glutamate receptor ionotropic, NMDA 2Bリガンド : 2-acetamido-2-deoxy-beta-D-glucopyranoseリガンド : 1-(PHENYL-1-CYCLOHEXYL)PIPERIDINE 詳細 キーワード Ligand-gated ion channel / ionotropic glutamate receptor / synaptic protein / voltage-gated ion channel / TRANSPORT 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
cellular response to corticosterone stimulus / cellular response to magnesium starvation / sensory organ development / cellular response to curcumin / regulation of cAMP/PKA signal transduction / pons maturation / EPHB-mediated forward signaling / Assembly and cell surface presentation of NMDA receptors / regulation of cell communication / auditory behavior ... cellular response to corticosterone stimulus / cellular response to magnesium starvation / sensory organ development / cellular response to curcumin / regulation of cAMP/PKA signal transduction / pons maturation / EPHB-mediated forward signaling / Assembly and cell surface presentation of NMDA receptors / regulation of cell communication / auditory behavior / positive regulation of Schwann cell migration / sensitization / olfactory learning / response to hydrogen sulfide / response to other organism / dendritic branch / fear response / conditioned taste aversion / response to methylmercury / protein localization to postsynaptic membrane / regulation of ARF protein signal transduction / apical dendrite / regulation of respiratory gaseous exchange / response to manganese ion / transmitter-gated monoatomic ion channel activity / suckling behavior / interleukin-1 receptor binding / positive regulation of inhibitory postsynaptic potential / response to carbohydrate / cellular response to dsRNA / cellular response to lipid / propylene metabolic process / response to glycine / RAF/MAP kinase cascade / negative regulation of dendritic spine maintenance / response to amine / response to growth hormone / heterocyclic compound binding / neurotransmitter receptor complex / response to glycoside / Synaptic adhesion-like molecules / positive regulation of glutamate secretion / regulation of monoatomic cation transmembrane transport / NMDA glutamate receptor activity / voltage-gated monoatomic cation channel activity / NMDA selective glutamate receptor complex / glutamate binding / ligand-gated sodium channel activity / neuromuscular process / regulation of axonogenesis / calcium ion transmembrane import into cytosol / response to morphine / regulation of dendrite morphogenesis / male mating behavior / regulation of synapse assembly / protein heterotetramerization / small molecule binding / glycine binding / receptor clustering / startle response / positive regulation of reactive oxygen species biosynthetic process / parallel fiber to Purkinje cell synapse / regulation of MAPK cascade / monoatomic ion channel complex / behavioral response to pain / regulation of postsynaptic membrane potential / monoatomic cation transmembrane transport / response to electrical stimulus / action potential / extracellularly glutamate-gated ion channel activity / positive regulation of calcium ion transport into cytosol / cellular response to glycine / associative learning / positive regulation of dendritic spine maintenance / response to magnesium ion / Unblocking of NMDA receptors, glutamate binding and activation / regulation of neuronal synaptic plasticity / monoatomic cation transport / glutamate receptor binding / prepulse inhibition / detection of mechanical stimulus involved in sensory perception of pain / social behavior / ligand-gated monoatomic ion channel activity / response to mechanical stimulus / multicellular organismal response to stress / neuron development / long-term memory / phosphatase binding / postsynaptic density, intracellular component / response to fungicide / behavioral fear response / monoatomic cation channel activity / synaptic cleft / calcium ion homeostasis / positive regulation of synaptic transmission, glutamatergic / cellular response to manganese ion / glutamate-gated receptor activity / regulation of long-term synaptic depression / D2 dopamine receptor binding / glutamate-gated calcium ion channel activity 類似検索 - 分子機能 Glutamate [NMDA] receptor, epsilon subunit, C-terminal / N-methyl D-aspartate receptor 2B3 C-terminus / : / : / Ionotropic glutamate receptor, metazoa / Ligated ion channel L-glutamate- and glycine-binding site / Ligand-gated ion channel / Ionotropic glutamate receptor, L-glutamate and glycine-binding domain / Ligated ion channel L-glutamate- and glycine-binding site / : ... Glutamate [NMDA] receptor, epsilon subunit, C-terminal / N-methyl D-aspartate receptor 2B3 C-terminus / : / : / Ionotropic glutamate receptor, metazoa / Ligated ion channel L-glutamate- and glycine-binding site / Ligand-gated ion channel / Ionotropic glutamate receptor, L-glutamate and glycine-binding domain / Ligated ion channel L-glutamate- and glycine-binding site / : / Ionotropic glutamate receptor / Eukaryotic homologues of bacterial periplasmic substrate binding proteins. / Receptor, ligand binding region / Receptor family ligand binding region / Periplasmic binding protein-like I 類似検索 - ドメイン・相同性 Glutamate receptor ionotropic, NMDA 1 / Glutamate receptor ionotropic, NMDA 2B 類似検索 - 構成要素生物種 Rattus norvegicus (ドブネズミ)手法 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度 : 4.3 Å 詳細 データ登録者Chou T-H / Furukawa H 資金援助 米国, 2件 詳細 詳細を隠すOrganization Grant number 国 National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS) NS111745 米国 National Institutes of Health/National Institute of Mental Health (NIH/NIMH) MH085926 米国
引用ジャーナル : Nat Struct Mol Biol / 年 : 2022タイトル : Structural insights into binding of therapeutic channel blockers in NMDA receptors.著者 : Tsung-Han Chou / Max Epstein / Kevin Michalski / Eve Fine / Philip C Biggin / Hiro Furukawa / 要旨 : Excitatory signaling mediated by N-methyl-D-aspartate receptor (NMDAR) is critical for brain development and function, as well as for neurological diseases and disorders. Channel blockers of NMDARs ... Excitatory signaling mediated by N-methyl-D-aspartate receptor (NMDAR) is critical for brain development and function, as well as for neurological diseases and disorders. Channel blockers of NMDARs are of medical interest owing to their potential for treating depression, Alzheimer's disease, and epilepsy. However, precise mechanisms underlying binding and channel blockade have remained limited owing to challenges in obtaining high-resolution structures at the binding site within the transmembrane domains. Here, we monitor the binding of three clinically important channel blockers: phencyclidine, ketamine, and memantine in GluN1-2B NMDARs at local resolutions of 2.5-3.5 Å around the binding site using single-particle electron cryo-microscopy, molecular dynamics simulations, and electrophysiology. The channel blockers form different extents of interactions with the pore-lining residues, which control mostly off-speeds but not on-speeds. Our comparative analyses of the three unique NMDAR channel blockers provide a blueprint for developing therapeutic compounds with minimal side effects. 履歴 登録 2021年9月22日 - ヘッダ(付随情報) 公開 2022年7月20日 - マップ公開 2022年7月20日 - 更新 2025年6月4日 - 現状 2025年6月4日 処理サイト : RCSB / 状態 : 公開
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