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基本情報
登録情報 | データベース: PDB / ID: 1nnp | ||||||
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タイトル | X-ray structure of the GluR2 ligand-binding core (S1S2J) in complex with (S)-ATPA at 1.9 A resolution. Crystallization without zinc ions. | ||||||
![]() | Glutamate receptor 2 | ||||||
![]() | MEMBRANE PROTEIN / Ionotropic glutamate receptor GluR2 / ligand-binding core / agonist complex. | ||||||
機能・相同性 | ![]() spine synapse / dendritic spine neck / dendritic spine head / Activation of AMPA receptors / perisynaptic space / AMPA glutamate receptor activity / ligand-gated monoatomic cation channel activity / Trafficking of GluR2-containing AMPA receptors / response to lithium ion / immunoglobulin binding ...spine synapse / dendritic spine neck / dendritic spine head / Activation of AMPA receptors / perisynaptic space / AMPA glutamate receptor activity / ligand-gated monoatomic cation channel activity / 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 / cellular response to glycine / extracellularly glutamate-gated ion channel activity / asymmetric synapse / regulation of receptor recycling / Unblocking of NMDA receptors, glutamate binding and activation / positive regulation of synaptic transmission / glutamate receptor binding / glutamate-gated receptor activity / regulation of synaptic transmission, glutamatergic / response to fungicide / cytoskeletal protein binding / ionotropic glutamate receptor binding / presynaptic active zone membrane / extracellular ligand-gated monoatomic ion channel activity / somatodendritic compartment / glutamate-gated calcium ion channel activity / cellular response to brain-derived neurotrophic factor stimulus / ligand-gated monoatomic ion channel activity involved in regulation of presynaptic membrane potential / dendrite membrane / dendrite cytoplasm / ionotropic glutamate receptor signaling pathway / SNARE binding / dendritic shaft / transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential / synaptic transmission, glutamatergic / PDZ domain binding / protein tetramerization / establishment of protein localization / synaptic membrane / modulation of chemical synaptic transmission / postsynaptic density membrane / terminal bouton / Schaffer collateral - CA1 synapse / cerebral cortex development / receptor internalization / synaptic vesicle membrane / synaptic vesicle / presynapse / signaling receptor activity / amyloid-beta binding / presynaptic membrane / growth cone / scaffold protein binding / chemical synaptic transmission / dendritic spine / perikaryon / postsynaptic membrane / neuron projection / postsynaptic density / axon / neuronal cell body / synapse / dendrite / protein-containing complex binding / protein kinase binding / glutamatergic synapse / cell surface / endoplasmic reticulum / protein-containing complex / identical protein binding / membrane / plasma membrane 類似検索 - 分子機能 | ||||||
生物種 | ![]() ![]() | ||||||
手法 | ![]() ![]() ![]() | ||||||
![]() | Lunn, M.L. / Hogner, A. / Stensbol, T.B. / Gouaux, E. / Egebjerg, J. / Kastrup, J.S. | ||||||
![]() | ![]() タイトル: Three-Dimensional Structure of the Ligand-Binding Core of GluR2 in Complex with the Agonist (S)-ATPA: Implications for Receptor Subunit Selectivity. 著者: Lunn, M.L. / Hogner, A. / Stensbol, T.B. / Gouaux, E. / Egebjerg, J. / Kastrup, J.S. #1: ![]() タイトル: Structural basis for AMPA receptor activation and ligand selectivity: Crystal structures of five agonist complexes with the GluR2 ligand binding core. 著者: Hogner, A. / Kastrup, J.S. / Jin, R. / Liljefors, T. / Mayer, M.L. / Egebjerg, J. / Larsen, I. / Gouaux, E. #2: ![]() タイトル: Mechanisms for activation and antagonism of an AMPA-sensitive glutamate receptor: Crystal structures of the GluR2 ligand binding core. 著者: Armstrong, N. / Gouaux, E. #3: ![]() タイトル: Mechanism of glutamate receptor desensitization. 著者: Sun, Y. / Olson, R. / Horning, M. / Armstrong, N. / Mayer, M. / Gouaux, E. #4: ![]() タイトル: Probing the ligand binding domain of the GluR2 receptor by proteolysis and deletion mutagenesis defines domain boundaries and yields a crystallizable construct. 著者: Chen, G.Q. / Sun, R. / Jin, R. / Gouaux, E. | ||||||
履歴 |
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Remark 300 | BIOMOLECULE: 1 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT WHICH CONSISTS OF 2 ... BIOMOLECULE: 1 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT WHICH CONSISTS OF 2 CHAIN(S). SEE REMARK 350 FOR INFORMATION ON GENERATING THE BIOLOGICAL MOLECULE(S). NOTE THAT COORDINATES FOR ONE DIMER OF A COMPLETE TETRAMERIC MULTIMER REPRESENTING THE KNOWN BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS GIVEN IN REMARK 350. BOTH NON-CRYSTALLOGRAPHIC AND CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. | ||||||
Remark 999 | SEQUENCE Native GluR2 is a membrane protein. The protein crystallized is the extracellular ligand- ...SEQUENCE Native GluR2 is a membrane protein. The protein crystallized is the extracellular ligand-binding core of GluR2. Transmembrane regions were genetically removed and replaced with a Gly-Thr linker (residues 115-116). Therefore, the sequence matches discontinuously with the reference database (413-527, 653-796). The two first residues of the sequence (Gly-2, Ala-1) are cloning artifacts and were not located in the electron density map. |
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構造の表示
構造ビューア | 分子: ![]() ![]() |
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PDBx/mmCIF形式 | ![]() | 133.4 KB | 表示 | ![]() |
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PDB形式 | ![]() | 102.1 KB | 表示 | ![]() |
PDBx/mmJSON形式 | ![]() | ツリー表示 | ![]() | |
その他 | ![]() |
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-関連構造データ
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リンク
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集合体
登録構造単位 | ![]()
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単位格子 |
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詳細 | The biological assembly is a tetramer composed of dimers-of-dimers. Only the dimer is observed in the crystal. The dimer may be generated by applying the following to chain B: TRANSFORM FRACTIONAL - 1.00000 0.00000 0.00000 - 0.00000 -1.00000 0.00000 - 0.00000 0.00000 -1.00000 - -0.50000 0.50000 1.00000 |
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要素
#1: タンパク質 | 分子量: 29221.682 Da / 分子数: 2 / 断片: GluR2-flop ligand-binding core (S1S2J) / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() ![]() ![]() #2: 化合物 | #3: 化合物 | #4: 水 | ChemComp-HOH / | Has protein modification | Y | |
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-実験情報
-実験
実験 | 手法: ![]() |
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試料調製
結晶 | マシュー密度: 2.4 Å3/Da / 溶媒含有率: 48 % | ||||||||||||||||||||||||||||||||||||
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結晶化 | 温度: 279 K / 手法: 蒸気拡散法, ハンギングドロップ法 / pH: 5.6 詳細: ammonium sulfate, PEG8000, sodium acetate, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 279K | ||||||||||||||||||||||||||||||||||||
結晶化 | *PLUS 温度: 6 ℃ | ||||||||||||||||||||||||||||||||||||
溶液の組成 | *PLUS
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-データ収集
回折 | 平均測定温度: 100 K |
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放射光源 | 由来: ![]() ![]() ![]() |
検出器 | タイプ: MARRESEARCH / 検出器: CCD / 日付: 2002年4月25日 |
放射 | プロトコル: SINGLE WAVELENGTH / 単色(M)・ラウエ(L): M / 散乱光タイプ: x-ray |
放射波長 | 波長: 1.076 Å / 相対比: 1 |
反射 | 解像度: 1.9→20 Å / Num. all: 40611 / Num. obs: 40611 / % possible obs: 92.2 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / 冗長度: 4.1 % / Biso Wilson estimate: 13.5 Å2 / Rmerge(I) obs: 0.092 / Net I/σ(I): 13.1 |
反射 シェル | 解像度: 1.9→1.97 Å / Rmerge(I) obs: 0.348 / Mean I/σ(I) obs: 2.4 / Num. unique all: 3546 / % possible all: 81.6 |
反射 | *PLUS 最低解像度: 20 Å |
反射 シェル | *PLUS % possible obs: 81.6 % |
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解析
ソフトウェア |
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精密化 | 構造決定の手法: ![]() 開始モデル: GluR2:(S)-ATPA complex (zinc form). 解像度: 1.9→20 Å / Rfactor Rfree error: 0.005 / Data cutoff high rms absF: 2164674.72 / Isotropic thermal model: RESTRAINED / 交差検証法: THROUGHOUT / σ(F): 0 / 立体化学のターゲット値: Engh & Huber 詳細: The first three N-terminal residues and the last two C-terminal residues were not located in the electron density map.
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溶媒の処理 | Bsol: 48.6949 Å2 / ksol: 0.360816 e/Å3 | ||||||||||||||||||||||||||||||||||||
原子変位パラメータ | Biso mean: 22 Å2
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Refine analyze |
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精密化ステップ | サイクル: LAST / 解像度: 1.9→20 Å
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拘束条件 |
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LS精密化 シェル | 解像度: 1.9→2.02 Å / Rfactor Rfree error: 0.016 / Total num. of bins used: 6
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Xplor file | Serial no: 1 / Param file: protein_rep.param / Topol file: protein.top | ||||||||||||||||||||||||||||||||||||
精密化 | *PLUS 最低解像度: 20 Å / % reflection Rfree: 4.6 % / Rfactor Rfree: 0.217 / Rfactor Rwork: 0.19 | ||||||||||||||||||||||||||||||||||||
溶媒の処理 | *PLUS | ||||||||||||||||||||||||||||||||||||
原子変位パラメータ | *PLUS | ||||||||||||||||||||||||||||||||||||
拘束条件 | *PLUS
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