- PDB-6peq: GluA2 in complex with its auxiliary subunit CNIH3 - map LBD-TMD-C... -
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基本情報
登録情報
データベース: PDB / ID: 6peq
タイトル
GluA2 in complex with its auxiliary subunit CNIH3 - map LBD-TMD-C3 - with antagonist ZK200775 -without NTD
要素
Glutamate receptor 2GRIA2
Protein cornichon homolog 3
キーワード
TRANSPORT PROTEIN (運搬体タンパク質) / ionotropic glutamate receptor / AMPA receptor (AMPA型グルタミン酸受容体) / cornichon (きゅうりピクルス) / auxiliary subunit / ion channel (イオンチャネル) / ligand gated ion channel (リガンド依存性イオンチャネル) / synaptic transmission / excitatory synaptic transmission / neurotransmitter receptor (神経伝達物質受容体) / stargazin / TARP / ZK200775 / lipid (脂質) / MPQX
機能・相同性
機能・相同性情報
Cargo concentration in the ER / COPII-mediated vesicle transport / localization within membrane / regulation of AMPA receptor activity / channel regulator activity / neurotransmitter receptor localization to postsynaptic specialization membrane / spine synapse / dendritic spine neck / dendritic spine head / Activation of AMPA receptors ...Cargo concentration in the ER / COPII-mediated vesicle transport / localization within membrane / regulation of AMPA receptor activity / channel regulator activity / neurotransmitter receptor localization to postsynaptic specialization membrane / spine synapse / dendritic spine neck / dendritic spine head / Activation of AMPA receptors / perisynaptic space / AMPA glutamate receptor activity / COPII-coated ER to Golgi transport vesicle / Trafficking of GluR2-containing AMPA receptors / response to lithium ion / immunoglobulin binding / AMPA glutamate receptor complex / kainate selective glutamate receptor activity / ionotropic glutamate receptor complex / extracellularly glutamate-gated ion channel activity / cellular response to glycine / asymmetric synapse / regulation of receptor recycling / Unblocking of NMDA receptors, glutamate binding and activation / glutamate receptor binding / positive regulation of synaptic transmission / endoplasmic reticulum to Golgi vesicle-mediated transport / presynaptic active zone membrane / glutamate-gated receptor activity / response to fungicide / regulation of synaptic transmission, glutamatergic / somatodendritic compartment / cellular response to brain-derived neurotrophic factor stimulus / dendrite membrane / ligand-gated monoatomic ion channel activity involved in regulation of presynaptic membrane potential / ionotropic glutamate receptor binding / cytoskeletal protein binding / ionotropic glutamate receptor signaling pathway / dendrite cytoplasm / SNARE binding / dendritic shaft / synaptic membrane / synaptic transmission, glutamatergic / transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential / PDZ domain binding / regulation of membrane potential / protein tetramerization / postsynaptic density membrane / Schaffer collateral - CA1 synapse / modulation of chemical synaptic transmission / establishment of protein localization / receptor internalization / terminal bouton / cerebral cortex development / synaptic vesicle membrane / シナプス小胞 / presynapse / presynaptic membrane / signaling receptor activity / amyloid-beta binding / 成長円錐 / scaffold protein binding / chemical synaptic transmission / postsynaptic membrane / perikaryon / 樹状突起スパイン / postsynaptic density / neuron projection / 神経繊維 / neuronal cell body / glutamatergic synapse / シナプス / 樹状突起 / protein-containing complex binding / endoplasmic reticulum membrane / protein kinase binding / 細胞膜 / 小胞体 / protein-containing complex / 生体膜 / identical protein binding / 細胞膜 類似検索 - 分子機能
きゅうりピクルス / Cornichon, conserved site / Cornichon protein / Cornichon family signature. / きゅうりピクルス / Bacterial extracellular solute-binding proteins, family 3 / Solute-binding protein family 3/N-terminal domain of MltF / Ionotropic glutamate receptor, metazoa / Ligated ion channel L-glutamate- and glycine-binding site / : ...きゅうりピクルス / Cornichon, conserved site / Cornichon protein / Cornichon family signature. / きゅうりピクルス / Bacterial extracellular solute-binding proteins, family 3 / Solute-binding protein family 3/N-terminal domain of MltF / Ionotropic glutamate receptor, metazoa / Ligated ion channel L-glutamate- and glycine-binding site / : / リガンド依存性イオンチャネル / 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
National Institutes of Health/Eunice Kennedy Shriver National Institute of Child Health & Human Development (NIH/NICHD)
R01HD061543
米国
引用
ジャーナル: Science / 年: 2019 タイトル: Structures of the AMPA receptor in complex with its auxiliary subunit cornichon. 著者: Terunaga Nakagawa / 要旨: In the brain, AMPA-type glutamate receptors (AMPARs) form complexes with their auxiliary subunits and mediate the majority of fast excitatory neurotransmission. Signals transduced by these complexes ...In the brain, AMPA-type glutamate receptors (AMPARs) form complexes with their auxiliary subunits and mediate the majority of fast excitatory neurotransmission. Signals transduced by these complexes are critical for synaptic plasticity, learning, and memory. The two major categories of AMPAR auxiliary subunits are transmembrane AMPAR regulatory proteins (TARPs) and cornichon homologs (CNIHs); these subunits share little homology and play distinct roles in controlling ion channel gating and trafficking of AMPAR. Here, I report high-resolution cryo-electron microscopy structures of AMPAR in complex with CNIH3. Contrary to its predicted membrane topology, CNIH3 lacks an extracellular domain and instead contains four membrane-spanning helices. The protein-protein interaction interface that dictates channel modulation and the lipids surrounding the complex are revealed. These structures provide insights into the molecular mechanism for ion channel modulation and assembly of AMPAR/CNIH3 complexes.