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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: 8y62 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| タイトル | Cryo-EM structure of the C16:0 ceramide-bound FPR2-Gi complex | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
要素 |
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キーワード | MEMBRANE PROTEIN | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 機能・相同性 | 機能・相同性情報N-formyl peptide receptor activity / complement receptor activity / dentinogenesis / immune response-regulating cell surface receptor signaling pathway / scavenger receptor binding / RAGE receptor binding / complement receptor mediated signaling pathway / positive regulation of monocyte chemotaxis / positive regulation of innate immune response / Formyl peptide receptors bind formyl peptides and many other ligands ...N-formyl peptide receptor activity / complement receptor activity / dentinogenesis / immune response-regulating cell surface receptor signaling pathway / scavenger receptor binding / RAGE receptor binding / complement receptor mediated signaling pathway / positive regulation of monocyte chemotaxis / positive regulation of innate immune response / Formyl peptide receptors bind formyl peptides and many other ligands / cargo receptor activity / positive chemotaxis / tertiary granule membrane / ficolin-1-rich granule membrane / specific granule membrane / positive regulation of superoxide anion generation / adenylate cyclase inhibitor activity / positive regulation of protein localization to cell cortex / T cell migration / positive regulation of relaxation of smooth muscle / Adenylate cyclase inhibitory pathway / D2 dopamine receptor binding / astrocyte activation / adenylate cyclase-inhibiting serotonin receptor signaling pathway / G protein-coupled serotonin receptor binding / positive regulation of phagocytosis / cellular response to forskolin / receptor-mediated endocytosis / regulation of mitotic spindle organization / chemokine-mediated signaling pathway / Regulation of insulin secretion / neuropeptide signaling pathway / calcium-mediated signaling / response to prostaglandin E / microglial cell activation / positive regulation of cholesterol biosynthetic process / negative regulation of insulin secretion / G protein-coupled receptor binding / negative regulation of inflammatory response / response to peptide hormone / G protein-coupled receptor activity / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / cellular response to amyloid-beta / G-protein beta/gamma-subunit complex binding / centriolar satellite / chemotaxis / adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway / Olfactory Signaling Pathway / Activation of the phototransduction cascade / G protein-coupled acetylcholine receptor signaling pathway / G beta:gamma signalling through PLC beta / Presynaptic function of Kainate receptors / Thromboxane signalling through TP receptor / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / G-protein activation / Glucagon signaling in metabolic regulation / G beta:gamma signalling through CDC42 / Prostacyclin signalling through prostacyclin receptor / G beta:gamma signalling through BTK / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / photoreceptor disc membrane / ADP signalling through P2Y purinoceptor 12 / Sensory perception of sweet, bitter, and umami (glutamate) taste / GDP binding / Glucagon-type ligand receptors / Adrenaline,noradrenaline inhibits insulin secretion / Vasopressin regulates renal water homeostasis via Aquaporins / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / G alpha (z) signalling events / cellular response to catecholamine stimulus / ADP signalling through P2Y purinoceptor 1 / 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 / cellular response to prostaglandin E stimulus / heterotrimeric G-protein complex / G alpha (12/13) signalling events / Inactivation, recovery and regulation of the phototransduction cascade / G-protein beta-subunit binding / amyloid-beta binding / extracellular vesicle / sensory perception of taste / adenylate cyclase-activating G protein-coupled receptor signaling pathway / sperm principal piece / Thrombin signalling through proteinase activated receptors (PARs) / signaling receptor complex adaptor activity / positive regulation of cytosolic calcium ion concentration / signaling receptor activity / retina development in camera-type eye / GTPase binding / G protein activity / fibroblast proliferation / Ca2+ pathway / midbody / cell cortex / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells / G alpha (i) signalling events 類似検索 - 分子機能 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 生物種 | Homo sapiens (ヒト)synthetic construct (人工物) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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: 3.2 Å | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
データ登録者 | Sun, J.P. / Jiang, C.T. / Kong, W. / Yu, X. / Cai, K. / Guo, L.L. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 資金援助 | 中国, 1件
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引用 | ジャーナル: Science / 年: 2025タイトル: Metabolic signaling of ceramides through the FPR2 receptor inhibits adipocyte thermogenesis. 著者: Hui Lin / Chuanshun Ma / Kui Cai / Lulu Guo / Xuemei Wang / Lin Lv / Chao Zhang / Jun Lin / Daolai Zhang / Chuan Ye / Tengwei Wang / Shenming Huang / Jifei Han / Zihao Zhang / Junyan Gao / ...著者: Hui Lin / Chuanshun Ma / Kui Cai / Lulu Guo / Xuemei Wang / Lin Lv / Chao Zhang / Jun Lin / Daolai Zhang / Chuan Ye / Tengwei Wang / Shenming Huang / Jifei Han / Zihao Zhang / Junyan Gao / Mingxiang Zhang / Zhao Pu / Fengyang Li / Yongyuan Guo / Xiaojun Zhou / Chengxue Qin / Fan Yi / Xiao Yu / Wei Kong / Changtao Jiang / Jin-Peng Sun / ![]() 要旨: Ceramides play a central role in human health and disease, yet their role as systemic signaling molecules remain poorly understood. In this work, we identify formyl peptide receptor 2 (FPR2) as a ...Ceramides play a central role in human health and disease, yet their role as systemic signaling molecules remain poorly understood. In this work, we identify formyl peptide receptor 2 (FPR2) as a membrane receptor that specifically binds long-chain ceramides (C14 to C20). In brown and beige adipocytes, C16:0 ceramide binding to FPR2 inhibits thermogenesis through G cyclic adenosine monophosphate signaling pathways, an effect that is reversed in the absence of FPR2. We present three cryo-electron microscopy structures of FPR2 in complex with G trimers bound to C16:0, C18:0, and C20:0 ceramides. The hydrophobic tails are deeply embedded in the orthosteric ligand pocket, which has a limited amount of plasticity. Modification of the ceramide binding motif in closely related receptors, such as FPR1 or FPR3, converts them from inactive to active ceramide receptors. Our findings provide a structural basis for adipocyte thermogenesis mediated by FPR2. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 履歴 |
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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 | 8y62.cif.gz | 209 KB | 表示 | PDBx/mmCIF形式 |
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| PDB形式 | pdb8y62.ent.gz | 154 KB | 表示 | PDB形式 |
| PDBx/mmJSON形式 | 8y62.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/y6/8y62 ftp://data.pdbj.org/pub/pdb/validation_reports/y6/8y62 | HTTPS FTP |
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-関連構造データ
| 関連構造データ | ![]() 38964MC ![]() 8y63C ![]() 9jhjC 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 ABC
| #1: タンパク質 | 分子量: 40415.031 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: ![]() 参照: UniProt: P63096 |
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| #2: タンパク質 | 分子量: 39418.086 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 |
| #3: タンパク質 | 分子量: 6504.446 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 |
-抗体 / タンパク質 / 非ポリマー , 3種, 3分子 ER

| #4: 抗体 | 分子量: 30363.043 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) synthetic construct (人工物) 発現宿主: ![]() |
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| #5: タンパク質 | 分子量: 38993.055 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: FPR2発現宿主: ![]() 参照: UniProt: P25090 |
| #6: 化合物 | ChemComp-16C / |
-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: Cryo-EM structure of the C16:0 ceramide-bound FPR2-Gi complex タイプ: COMPLEX / Entity ID: #1-#5 / 由来: RECOMBINANT |
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| 由来(天然) | 生物種: Homo sapiens (ヒト) |
| 由来(組換発現) | 生物種: ![]() |
| 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: DIFFRACTION / 最大 デフォーカス(公称値): 2000 nm / 最小 デフォーカス(公称値): 600 nm |
| 撮影 | 電子線照射量: 1.875 e/Å2 / フィルム・検出器のモデル: GATAN K3 (6k x 4k) |
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解析
| EMソフトウェア | 名称: PHENIX / カテゴリ: モデル精密化 | ||||||||||||||||||||||||
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| CTF補正 | タイプ: NONE | ||||||||||||||||||||||||
| 3次元再構成 | 解像度: 3.2 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 578458 / 対称性のタイプ: POINT | ||||||||||||||||||||||||
| 拘束条件 |
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ムービー
コントローラー
万見について




Homo sapiens (ヒト)
中国, 1件
引用





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FIELD EMISSION GUN