+
データを開く
-
基本情報
| 登録情報 | データベース: PDB / ID: 8avc | ||||||
|---|---|---|---|---|---|---|---|
| タイトル | Mouse leptin:LEP-R complex cryoEM structure (3:3 model) | ||||||
要素 |
| ||||||
キーワード | CYTOKINE / leptin / LEP-R / obesity / metabolism / energy balance | ||||||
| 機能・相同性 | 機能・相同性情報negative regulation of metabolic process / negative regulation of locomotor rhythm / Synthesis, secretion, and deacylation of Ghrelin / leptin receptor activity / regulation of lipoprotein lipid oxidation / cellular response to L-ascorbic acid / positive regulation of fat cell apoptotic process / negative regulation of glutamine transport / activation of protein kinase C activity / negative regulation of appetite by leptin-mediated signaling pathway ...negative regulation of metabolic process / negative regulation of locomotor rhythm / Synthesis, secretion, and deacylation of Ghrelin / leptin receptor activity / regulation of lipoprotein lipid oxidation / cellular response to L-ascorbic acid / positive regulation of fat cell apoptotic process / negative regulation of glutamine transport / activation of protein kinase C activity / negative regulation of appetite by leptin-mediated signaling pathway / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / negative regulation of glucagon secretion / regulation of endothelial cell proliferation / leptin receptor binding / sexual reproduction / regulation of natural killer cell mediated cytotoxicity / regulation of bone remodeling / regulation of natural killer cell proliferation / positive regulation of luteinizing hormone secretion / regulation of natural killer cell activation / glycerol biosynthetic process / regulation of steroid biosynthetic process / negative regulation of eating behavior / elastin metabolic process / regulation of transport / leptin-mediated signaling pathway / positive regulation of follicle-stimulating hormone secretion / positive regulation of monoatomic ion transport / bone growth / protein-hormone receptor activity / regulation of intestinal cholesterol absorption / regulation of brown fat cell differentiation / positive regulation of hepatic stellate cell activation / positive regulation of peroxisome proliferator activated receptor signaling pathway / regulation of nitric-oxide synthase activity / regulation of feeding behavior / adult feeding behavior / bone mineralization involved in bone maturation / response to leptin / regulation of lipid biosynthetic process / fatty acid catabolic process / negative regulation of cartilage development / negative regulation of D-glucose import across plasma membrane / negative regulation of appetite / ovulation from ovarian follicle / positive regulation of developmental growth / energy reserve metabolic process / leukocyte tethering or rolling / prostaglandin secretion / cellular response to leptin stimulus / cardiac muscle hypertrophy / bile acid metabolic process / hormone metabolic process / positive regulation of p38MAPK cascade / cell surface receptor signaling pathway via STAT / regulation of protein localization to nucleus / cytokine receptor activity / regulation of fat cell differentiation / intestinal absorption / insulin secretion / regulation of gluconeogenesis / negative regulation of vasoconstriction / aorta development / eating behavior / response to vitamin E / glycogen metabolic process / peptide hormone receptor binding / fatty acid beta-oxidation / regulation of cytokine production involved in inflammatory response / response to dietary excess / central nervous system neuron development / cytokine binding / regulation of insulin secretion / peptide hormone binding / T cell differentiation / negative regulation of lipid storage / regulation of angiogenesis / negative regulation of gluconeogenesis / positive regulation of TOR signaling / adipose tissue development / positive regulation of insulin receptor signaling pathway / phagocytosis / cell surface receptor signaling pathway via JAK-STAT / glial cell proliferation / cholesterol metabolic process / cellular response to retinoic acid / energy homeostasis / positive regulation of interleukin-12 production / positive regulation of T cell proliferation / placenta development / positive regulation of insulin secretion involved in cellular response to glucose stimulus / response to activity / negative regulation of autophagy / determination of adult lifespan / positive regulation of interleukin-8 production / positive regulation of receptor signaling pathway via JAK-STAT / lipid metabolic process / female pregnancy / hormone activity / circadian rhythm 類似検索 - 分子機能 | ||||||
| 生物種 | ![]() | ||||||
| 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: 4.6 Å | ||||||
データ登録者 | Verstraete, K. / Savvides, S.N. / Verschueren, K.G. / Tsirigotaki, A. | ||||||
| 資金援助 | ベルギー, 1件
| ||||||
引用 | ジャーナル: Nat Struct Mol Biol / 年: 2023タイトル: Mechanism of receptor assembly via the pleiotropic adipokine Leptin. 著者: Alexandra Tsirigotaki / Ann Dansercoer / Koen H G Verschueren / Iva Marković / Christoph Pollmann / Maximillian Hafer / Jan Felix / Catherine Birck / Wouter Van Putte / Dominiek Catteeuw / ...著者: Alexandra Tsirigotaki / Ann Dansercoer / Koen H G Verschueren / Iva Marković / Christoph Pollmann / Maximillian Hafer / Jan Felix / Catherine Birck / Wouter Van Putte / Dominiek Catteeuw / Jan Tavernier / J Fernando Bazan / Jacob Piehler / Savvas N Savvides / Kenneth Verstraete / ![]() 要旨: The adipokine Leptin activates its receptor LEP-R in the hypothalamus to regulate body weight and exerts additional pleiotropic functions in immunity, fertility and cancer. However, the structure and ...The adipokine Leptin activates its receptor LEP-R in the hypothalamus to regulate body weight and exerts additional pleiotropic functions in immunity, fertility and cancer. However, the structure and mechanism of Leptin-mediated LEP-R assemblies has remained unclear. Intriguingly, the signaling-competent isoform of LEP-R is only lowly abundant amid several inactive short LEP-R isoforms contributing to a mechanistic conundrum. Here we show by X-ray crystallography and cryo-EM that, in contrast to long-standing paradigms, Leptin induces type I cytokine receptor assemblies featuring 3:3 stoichiometry and demonstrate such Leptin-induced trimerization of LEP-R on living cells via single-molecule microscopy. In mediating these assemblies, Leptin undergoes drastic restructuring that activates its site III for binding to the Ig domain of an adjacent LEP-R. These interactions are abolished by mutations linked to obesity. Collectively, our study provides the structural and mechanistic framework for how evolutionarily conserved Leptin:LEP-R assemblies with 3:3 stoichiometry can engage distinct LEP-R isoforms to achieve signaling. | ||||||
| 履歴 |
|
-
構造の表示
| 構造ビューア | 分子: Molmil Jmol/JSmol |
|---|
-
ダウンロードとリンク
-
ダウンロード
| PDBx/mmCIF形式 | 8avc.cif.gz | 515.3 KB | 表示 | PDBx/mmCIF形式 |
|---|---|---|---|---|
| PDB形式 | pdb8avc.ent.gz | 380.1 KB | 表示 | PDB形式 |
| PDBx/mmJSON形式 | 8avc.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/av/8avc ftp://data.pdbj.org/pub/pdb/validation_reports/av/8avc | HTTPS FTP |
|---|
-関連構造データ
| 関連構造データ | ![]() 15678MC ![]() 7z3pC ![]() 7z3qC ![]() 7z3rC ![]() 8av2C ![]() 8avbC ![]() 8avdC ![]() 8aveC ![]() 8avfC ![]() 8avoC ![]() 8b7qC C: 同じ文献を引用 ( M: このデータのモデリングに利用したマップデータ |
|---|---|
| 類似構造データ | 類似検索 - 機能・相同性 F&H 検索 |
-
リンク
-
集合体
| 登録構造単位 | ![]()
|
|---|---|
| 1 |
|
-
要素
| #1: タンパク質 | 分子量: 18873.283 Da / 分子数: 3 / 由来タイプ: 組換発現 詳細: N-terminally His-tagged mouse leptin was refolded from inclusion bodies produced in E.coli. 由来: (組換発現) ![]() ![]() #2: タンパク質 | 分子量: 97479.391 Da / 分子数: 3 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() Homo sapiens (ヒト) / Variant (発現宿主): FreeStyle / 参照: UniProt: P48356#3: 化合物 | 研究の焦点であるリガンドがあるか | N | Has protein modification | Y | |
|---|
-実験情報
-実験
| 実験 | 手法: 電子顕微鏡法 |
|---|---|
| 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 |
-
試料調製
| 構成要素 | 名称: Stucture of mouse leptin in complex with a trimerized form of the mouse Lep-R extracellular region タイプ: COMPLEX 詳細: The mLEP-R ectodomain was C-terminally fused to a trimeric GCN4 isoleucine zipper tag and secreted from HEK93 FreeStyle cells and complex with refolded mouse leptin produced in E.coli. Entity ID: #1-#2 / 由来: RECOMBINANT | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 分子量 | 値: 0.444 MDa / 実験値: YES | |||||||||||||||
| 由来(天然) | 生物種: ![]() | |||||||||||||||
| 由来(組換発現) | 生物種: Homo sapiens (ヒト) / 株: 293 Freestyle / プラスミド: pTwist | |||||||||||||||
| 緩衝液 | pH: 7.4 / 詳細: 20 mM HEPES, 150 mM NaCl, pH 7.4 | |||||||||||||||
| 緩衝液成分 |
| |||||||||||||||
| 試料 | 濃度: 0.3 mg/ml / 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES / 詳細: This sample was monodisperse. | |||||||||||||||
| 試料支持 | グリッドの材料: COPPER / グリッドのサイズ: 300 divisions/in. / グリッドのタイプ: C-flat-1.2/1.3 | |||||||||||||||
| 急速凍結 | 装置: LEICA EM GP / 凍結剤: ETHANE / 湿度: 99 % / 凍結前の試料温度: 22 K |
-
電子顕微鏡撮影
| 実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |
|---|---|
| 顕微鏡 | モデル: TFS 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: OTHER / 倍率(公称値): 105000 X / 最大 デフォーカス(公称値): 2500 nm / 最小 デフォーカス(公称値): 1200 nm / Cs: 2.7 mm |
| 撮影 | 電子線照射量: 45 e/Å2 フィルム・検出器のモデル: GATAN K3 BIOQUANTUM (6k x 4k) 撮影したグリッド数: 1 / 実像数: 13230 |
-
解析
| ソフトウェア |
| |||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EMソフトウェア |
| |||||||||||||||||||||||||||||||||||||||||||||
| CTF補正 | タイプ: PHASE FLIPPING AND AMPLITUDE CORRECTION | |||||||||||||||||||||||||||||||||||||||||||||
| 粒子像の選択 | 選択した粒子像数: 141157 詳細: Movies were processed via patch-based motion correction and CTF estimation as implemented in cryoSPARC v3.3.1. Initial 2D classes were obtained by the blob picker function in cryoSPARC, ...詳細: Movies were processed via patch-based motion correction and CTF estimation as implemented in cryoSPARC v3.3.1. Initial 2D classes were obtained by the blob picker function in cryoSPARC, followed by particle picking via TOPAZ as implemented in cryoSPARC. Junk particles were removed by multiple rounds of 2D classification and ab initio 3D classification resulting in a particle set of 141,157 particles. | |||||||||||||||||||||||||||||||||||||||||||||
| 対称性 | 点対称性: C1 (非対称) | |||||||||||||||||||||||||||||||||||||||||||||
| 3次元再構成 | 解像度: 4.6 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 37530 / クラス平均像の数: 1 / 対称性のタイプ: POINT | |||||||||||||||||||||||||||||||||||||||||||||
| 原子モデル構築 | プロトコル: FLEXIBLE FIT / 空間: REAL | |||||||||||||||||||||||||||||||||||||||||||||
| 精密化 | 交差検証法: NONE 立体化学のターゲット値: GeoStd + Monomer Library + CDL v1.2 | |||||||||||||||||||||||||||||||||||||||||||||
| 原子変位パラメータ | Biso mean: 275.26 Å2 | |||||||||||||||||||||||||||||||||||||||||||||
| 拘束条件 |
|
ムービー
コントローラー
万見について






ベルギー, 1件
引用


















PDBj





light scattering
Homo sapiens (ヒト)

