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基本情報
登録情報 | データベース: PDB / ID: 1kjw | ||||||
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タイトル | SH3-Guanylate Kinase Module from PSD-95 | ||||||
![]() | POSTSYNAPTIC DENSITY PROTEIN 95 | ||||||
![]() | NEUROPEPTIDE / PROTEIN-PROTEIN INTERACTION / SCAFFOLD | ||||||
機能・相同性 | ![]() RHO GTPases activate CIT / positive regulation of AMPA glutamate receptor clustering / neuronal ion channel clustering / P2Y1 nucleotide receptor binding / beta-1 adrenergic receptor binding / Neurexins and neuroligins / neuroligin family protein binding / structural constituent of postsynaptic density / synaptic vesicle maturation / positive regulation of neuron projection arborization ...RHO GTPases activate CIT / positive regulation of AMPA glutamate receptor clustering / neuronal ion channel clustering / P2Y1 nucleotide receptor binding / beta-1 adrenergic receptor binding / Neurexins and neuroligins / neuroligin family protein binding / structural constituent of postsynaptic density / synaptic vesicle maturation / positive regulation of neuron projection arborization / regulation of grooming behavior / receptor localization to synapse / vocalization behavior / cerebellar mossy fiber / LGI-ADAM interactions / proximal dendrite / neuron spine / Trafficking of AMPA receptors / protein localization to synapse / AMPA glutamate receptor clustering / cellular response to potassium ion / Activation of Ca-permeable Kainate Receptor / dendritic branch / positive regulation of dendrite morphogenesis / dendritic spine morphogenesis / negative regulation of receptor internalization / juxtaparanode region of axon / frizzled binding / acetylcholine receptor binding / neuron projection terminus / dendritic spine organization / regulation of NMDA receptor activity / positive regulation of synapse assembly / Synaptic adhesion-like molecules / NMDA selective glutamate receptor signaling pathway / RAF/MAP kinase cascade / beta-2 adrenergic receptor binding / neurotransmitter receptor localization to postsynaptic specialization membrane / cortical cytoskeleton / social behavior / locomotory exploration behavior / AMPA glutamate receptor complex / regulation of neuronal synaptic plasticity / neuromuscular process controlling balance / kinesin binding / excitatory synapse / positive regulation of excitatory postsynaptic potential / Unblocking of NMDA receptors, glutamate binding and activation / positive regulation of synaptic transmission / glutamate receptor binding / D1 dopamine receptor binding / regulation of postsynaptic membrane neurotransmitter receptor levels / ionotropic glutamate receptor binding / dendrite cytoplasm / cell periphery / PDZ domain binding / establishment of protein localization / regulation of long-term neuronal synaptic plasticity / synaptic membrane / postsynaptic density membrane / neuromuscular junction / cerebral cortex development / cell-cell adhesion / kinase binding / cell junction / synaptic vesicle / cell-cell junction / nervous system development / positive regulation of cytosolic calcium ion concentration / protein-containing complex assembly / scaffold protein binding / protein phosphatase binding / chemical synaptic transmission / dendritic spine / postsynaptic membrane / postsynapse / neuron projection / postsynaptic density / signaling receptor binding / synapse / dendrite / protein-containing complex binding / protein kinase binding / glutamatergic synapse / endoplasmic reticulum / membrane / plasma membrane / cytosol / cytoplasm 類似検索 - 分子機能 | ||||||
生物種 | ![]() ![]() | ||||||
手法 | ![]() ![]() ![]() | ||||||
![]() | McGee, A.W. / Dakoji, S.R. / Olsen, O. / Bredt, D.S. / Lim, W.A. / Prehoda, K.E. | ||||||
![]() | ![]() タイトル: Structure of the SH3-guanylate kinase module from PSD-95 suggests a mechanism for regulated assembly of MAGUK scaffolding proteins. 著者: A W McGee / S R Dakoji / O Olsen / D S Bredt / W A Lim / K E Prehoda / ![]() 要旨: Membrane-associated guanylate kinases (MAGUKs), such as PSD-95, are modular scaffolds that organize signaling complexes at synapses and other cell junctions. MAGUKs contain PDZ domains, which recruit ...Membrane-associated guanylate kinases (MAGUKs), such as PSD-95, are modular scaffolds that organize signaling complexes at synapses and other cell junctions. MAGUKs contain PDZ domains, which recruit signaling proteins, as well as a Src homology 3 (SH3) and a guanylate kinase-like (GK) domain, implicated in scaffold oligomerization. The crystal structure of the SH3-GK module from PSD-95 reveals that these domains form an integrated unit: the SH3 fold comprises noncontiguous sequence elements divided by a hinge region and the GK domain. These elements compose two subdomains that can assemble in either an intra- or intermolecular fashion to complete the SH3 fold. We propose a model for MAGUK oligomerization in which complementary SH3 subdomains associate by 3D domain swapping. This model provides a possible mechanism for ligand regulation of oligomerization. | ||||||
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構造ビューア | 分子: ![]() ![]() |
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PDBx/mmCIF形式 | ![]() | 73.8 KB | 表示 | ![]() |
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PDB形式 | ![]() | 54.8 KB | 表示 | ![]() |
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登録構造単位 | ![]()
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単位格子 |
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要素
#1: タンパク質 | 分子量: 34241.367 Da / 分子数: 1 / 断片: SH3 Domain/Guanylate Kinase Domain / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() ![]() ![]() | ||
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#2: 化合物 | #3: 水 | ChemComp-HOH / | |
-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: 2.81 Å3/Da / 溶媒含有率: 56.17 % | ||||||||||||||||||||||||||||||
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結晶化 | 温度: 288 K / 手法: 蒸気拡散法, ハンギングドロップ法 / pH: 7 詳細: Ammonium sulfate, PEG 4000, pH 7, VAPOR DIFFUSION, HANGING DROP, temperature 15K | ||||||||||||||||||||||||||||||
結晶化 | *PLUS pH: 7 / 手法: 蒸気拡散法, シッティングドロップ法 / 詳細: used microseeding | ||||||||||||||||||||||||||||||
溶液の組成 | *PLUS
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-データ収集
放射光源 | 由来: ![]() ![]() ![]() |
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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 Å / 相対比: 1 |
反射 | 解像度: 1.8→25 Å / Num. all: 37032 / Num. obs: 37032 / % possible obs: 99.4 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 |
反射 シェル | 解像度: 1.8→1.9 Å / % possible all: 94 |
反射 | *PLUS 最低解像度: 25 Å / Rmerge(I) obs: 0.077 |
反射 シェル | *PLUS % possible obs: 94.4 % / Rmerge(I) obs: 0.351 |
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解析
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精密化 | 構造決定の手法: ![]()
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精密化ステップ | サイクル: LAST / 解像度: 1.8→25 Å
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ソフトウェア | *PLUS 名称: CNS / バージョン: 1 / 分類: refinement | ||||||||||||||||||||||||||||||
精密化 | *PLUS 最高解像度: 1.8 Å / 最低解像度: 25 Å / σ(F): 0 / Rfactor obs: 0.23 / Rfactor Rfree: 0.25 / Rfactor Rwork: 0.23 | ||||||||||||||||||||||||||||||
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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