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データを開く
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基本情報
| 登録情報 | データベース: PDB / ID: 8u1u | ||||||
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| タイトル | Structure of a class A GPCR/agonist complex | ||||||
要素 |
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キーワード | STRUCTURAL PROTEIN / GPCR / agonist | ||||||
| 機能・相同性 | 機能・相同性情報chemokine receptor activity / CCR chemokine receptor binding / C-C chemokine receptor activity / chemokine-mediated signaling pathway / eosinophil chemotaxis / C-C chemokine binding / positive regulation of monocyte chemotaxis / chemokine activity / Chemokine receptors bind chemokines / positive regulation of interleukin-17 production ...chemokine receptor activity / CCR chemokine receptor binding / C-C chemokine receptor activity / chemokine-mediated signaling pathway / eosinophil chemotaxis / C-C chemokine binding / positive regulation of monocyte chemotaxis / chemokine activity / Chemokine receptors bind chemokines / positive regulation of interleukin-17 production / viral process / adenylate cyclase inhibitor activity / coreceptor activity / positive regulation of protein localization to cell cortex / T cell migration / Adenylate cyclase inhibitory pathway / D2 dopamine receptor binding / response to prostaglandin E / adenylate cyclase regulator activity / G protein-coupled serotonin receptor binding / adenylate cyclase-inhibiting serotonin receptor signaling pathway / cellular response to forskolin / regulation of mitotic spindle organization / bioluminescence / cell chemotaxis / generation of precursor metabolites and energy / Regulation of insulin secretion / calcium-mediated signaling / positive regulation of cholesterol biosynthetic process / negative regulation of insulin secretion / G protein-coupled receptor binding / response to peptide hormone / adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / centriolar satellite / G-protein beta/gamma-subunit complex binding / Olfactory Signaling Pathway / Activation of the phototransduction cascade / chemotaxis / intracellular calcium ion homeostasis / G beta:gamma signalling through PLC beta / Presynaptic function of Kainate receptors / Thromboxane signalling through TP receptor / G protein-coupled acetylcholine receptor signaling pathway / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / G-protein activation / positive regulation of inflammatory response / G beta:gamma signalling through CDC42 / Prostacyclin signalling through prostacyclin receptor / Glucagon signaling in metabolic regulation / G beta:gamma signalling through BTK / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / ADP signalling through P2Y purinoceptor 12 / photoreceptor disc membrane / antimicrobial humoral immune response mediated by antimicrobial peptide / Sensory perception of sweet, bitter, and umami (glutamate) taste / Glucagon-type ligand receptors / Adrenaline,noradrenaline inhibits insulin secretion / GDP binding / Vasopressin regulates renal water homeostasis via Aquaporins / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / G alpha (z) signalling events / ADP signalling through P2Y purinoceptor 1 / cellular response to catecholamine stimulus / ADORA2B mediated anti-inflammatory cytokines production / G beta:gamma signalling through PI3Kgamma / adenylate cyclase-activating dopamine receptor signaling pathway / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / GPER1 signaling / G-protein beta-subunit binding / cellular response to prostaglandin E stimulus / heterotrimeric G-protein complex / Inactivation, recovery and regulation of the phototransduction cascade / G alpha (12/13) signalling events / extracellular vesicle / sensory perception of taste / Thrombin signalling through proteinase activated receptors (PARs) / signaling receptor complex adaptor activity / positive regulation of cytosolic calcium ion concentration / G protein activity / retina development in camera-type eye / GTPase binding / Ca2+ pathway / fibroblast proliferation / midbody / cell cortex / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells / G alpha (i) signalling events / G alpha (s) signalling events / phospholipase C-activating G protein-coupled receptor signaling pathway / G alpha (q) signalling events / 加水分解酵素; 酸無水物に作用; GTPに作用・細胞または細胞小器官の運動に関与 / Ras protein signal transduction / Extra-nuclear estrogen signaling / cell population proliferation / cell adhesion / immune response / positive regulation of cell migration / ciliary basal body 類似検索 - 分子機能 | ||||||
| 生物種 | Homo sapiens (ヒト)![]() Human adenovirus C serotype 2 (ヒトアデノウイルス)![]() | ||||||
| 手法 | 電子顕微鏡法 / 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 3.1 Å | ||||||
データ登録者 | Sun, D. / Johnson, M. / Masureel, M. | ||||||
| 資金援助 | 1件
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引用 | ジャーナル: Nat Commun / 年: 2023タイトル: Structural basis of antibody inhibition and chemokine activation of the human CC chemokine receptor 8. 著者: Dawei Sun / Yonglian Sun / Eric Janezic / Tricia Zhou / Matthew Johnson / Caleigh Azumaya / Sigrid Noreng / Cecilia Chiu / Akiko Seki / Teresita L Arenzana / John M Nicoludis / Yongchang Shi ...著者: Dawei Sun / Yonglian Sun / Eric Janezic / Tricia Zhou / Matthew Johnson / Caleigh Azumaya / Sigrid Noreng / Cecilia Chiu / Akiko Seki / Teresita L Arenzana / John M Nicoludis / Yongchang Shi / Baomei Wang / Hoangdung Ho / Prajakta Joshi / Christine Tam / Jian Payandeh / Laëtitia Comps-Agrar / Jianyong Wang / Sascha Rutz / James T Koerber / Matthieu Masureel / ![]() 要旨: The C-C motif chemokine receptor 8 (CCR8) is a class A G-protein coupled receptor that has emerged as a promising therapeutic target in cancer. Targeting CCR8 with an antibody has appeared to be an ...The C-C motif chemokine receptor 8 (CCR8) is a class A G-protein coupled receptor that has emerged as a promising therapeutic target in cancer. Targeting CCR8 with an antibody has appeared to be an attractive therapeutic approach, but the molecular basis for chemokine-mediated activation and antibody-mediated inhibition of CCR8 are not fully elucidated. Here, we obtain an antagonist antibody against human CCR8 and determine structures of CCR8 in complex with either the antibody or the endogenous agonist ligand CCL1. Our studies reveal characteristic antibody features allowing recognition of the CCR8 extracellular loops and CCL1-CCR8 interaction modes that are distinct from other chemokine receptor - ligand pairs. Informed by these structural insights, we demonstrate that CCL1 follows a two-step, two-site binding sequence to CCR8 and that antibody-mediated inhibition of CCL1 signaling can occur by preventing the second binding event. Together, our results provide a detailed structural and mechanistic framework of CCR8 activation and inhibition that expands our molecular understanding of chemokine - receptor interactions and offers insight into the development of therapeutic antibodies targeting chemokine GPCRs. | ||||||
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構造の表示
| 構造ビューア | 分子: Molmil Jmol/JSmol |
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ダウンロードとリンク
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ダウンロード
| PDBx/mmCIF形式 | 8u1u.cif.gz | 240.2 KB | 表示 | PDBx/mmCIF形式 |
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| PDB形式 | pdb8u1u.ent.gz | 181.1 KB | 表示 | PDB形式 |
| PDBx/mmJSON形式 | 8u1u.json.gz | ツリー表示 | PDBx/mmJSON形式 | |
| その他 | その他のダウンロード |
-検証レポート
| アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/u1/8u1u ftp://data.pdbj.org/pub/pdb/validation_reports/u1/8u1u | HTTPS FTP |
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-関連構造データ
| 関連構造データ | ![]() 41829MC ![]() 8tlmC M: このデータのモデリングに利用したマップデータ C: 同じ文献を引用 ( |
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| 類似構造データ | 類似検索 - 機能・相同性 F&H 検索 |
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リンク
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集合体
| 登録構造単位 | ![]()
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要素
-Guanine nucleotide-binding protein ... , 3種, 3分子 BCD
| #2: タンパク質 | 分子量: 43182.078 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: GNAI1 / 発現宿主: ![]() |
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| #3: タンパク質 | 分子量: 39518.121 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: GNB1発現宿主: ![]() 参照: UniProt: P62873 |
| #4: タンパク質 | 分子量: 7861.143 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: GNG2発現宿主: ![]() 参照: UniProt: P59768 |
-タンパク質 / 抗体 / 糖 , 3種, 3分子 AE

| #1: タンパク質 | 分子量: 83236.680 Da / 分子数: 1 / 由来タイプ: 組換発現 由来: (組換発現) Homo sapiens (ヒト), (組換発現) ![]() Human adenovirus C serotype 2 (ヒトアデノウイルス)遺伝子: CCL1, CCR8 発現宿主: Mammalian expression vector Flag-MCS-pcDNA3.1 (その他) 参照: UniProt: P22362, UniProt: P51685, UniProt: A0A6M5E0N3 |
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| #5: 抗体 | 分子量: 28124.387 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() 発現宿主: ![]() |
| #6: 糖 | ChemComp-NAG / |
-詳細
| 研究の焦点であるリガンドがあるか | Y |
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| Has protein modification | Y |
-実験情報
-実験
| 実験 | 手法: 電子顕微鏡法 |
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| EM実験 | 試料の集合状態: PARTICLE / 3次元再構成法: 単粒子再構成法 |
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試料調製
| 構成要素 | 名称: CCR8 in complex with CCL1 and Gi / タイプ: COMPLEX / Entity ID: #1-#5 / 由来: MULTIPLE SOURCES |
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| 由来(天然) | 生物種: Homo sapiens (ヒト) |
| 由来(組換発現) | 生物種: Mammalian expression vector Flag-MCS-pcDNA3.1 (その他) |
| 緩衝液 | pH: 7.5 |
| 試料 | 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES |
| 急速凍結 | 凍結剤: ETHANE |
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電子顕微鏡撮影
| 実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |
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| 顕微鏡 | モデル: FEI TITAN KRIOS |
| 電子銃 | 電子線源: FIELD EMISSION GUN / 加速電圧: 300 kV / 照射モード: FLOOD BEAM |
| 電子レンズ | モード: BRIGHT FIELD / 最大 デフォーカス(公称値): 1800 nm / 最小 デフォーカス(公称値): 800 nm |
| 撮影 | 電子線照射量: 40.814 e/Å2 フィルム・検出器のモデル: FEI FALCON IV (4k x 4k) |
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解析
| CTF補正 | タイプ: PHASE FLIPPING AND AMPLITUDE CORRECTION |
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| 3次元再構成 | 解像度: 3.1 Å / 解像度の算出法: OTHER / 粒子像の数: 201761 / 対称性のタイプ: POINT |
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万見について




Homo sapiens (ヒト)
Human adenovirus C serotype 2 (ヒトアデノウイルス)

引用






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FIELD EMISSION GUN