+
データを開く
-
基本情報
登録情報 | データベース: PDB / ID: 7aue | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
タイトル | Melanocortin receptor 4 (MC4R) Gs protein complex | |||||||||
![]() |
| |||||||||
![]() | MEMBRANE PROTEIN / MC4R / Melanocortin / Obesity / GPCR / agonist / setmelanotide | |||||||||
機能・相同性 | ![]() regulation of eating behavior / response to melanocyte-stimulating hormone / melanocyte-stimulating hormone receptor activity / melanocortin receptor activity / neuropeptide binding / feeding behavior / insulin secretion / regulation of metabolic process / response to food / positive regulation of bone resorption ...regulation of eating behavior / response to melanocyte-stimulating hormone / melanocyte-stimulating hormone receptor activity / melanocortin receptor activity / neuropeptide binding / feeding behavior / insulin secretion / regulation of metabolic process / response to food / positive regulation of bone resorption / PKA activation in glucagon signalling / developmental growth / hair follicle placode formation / D1 dopamine receptor binding / intracellular transport / vascular endothelial cell response to laminar fluid shear stress / renal water homeostasis / activation of adenylate cyclase activity / Hedgehog 'off' state / adenylate cyclase-activating adrenergic receptor signaling pathway / Transcriptional and post-translational regulation of MITF-M expression and activity / cellular response to glucagon stimulus / regulation of insulin secretion / Peptide ligand-binding receptors / adenylate cyclase activator activity / trans-Golgi network membrane / negative regulation of inflammatory response to antigenic stimulus / response to insulin / bone development / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / G-protein beta/gamma-subunit complex binding / platelet aggregation / Olfactory Signaling Pathway / Activation of the phototransduction cascade / cognition / G beta:gamma signalling through PLC beta / Presynaptic function of Kainate receptors / Thromboxane signalling through TP receptor / G protein-coupled acetylcholine receptor signaling pathway / G-protein activation / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / adenylate cyclase-activating G protein-coupled receptor signaling pathway / Prostacyclin signalling through prostacyclin receptor / G beta:gamma signalling through CDC42 / 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 / Sensory perception of sweet, bitter, and umami (glutamate) taste / photoreceptor disc membrane / Glucagon-type ligand receptors / Adrenaline,noradrenaline inhibits insulin secretion / Vasopressin regulates renal water homeostasis via Aquaporins / G alpha (z) signalling events / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / cellular response to catecholamine stimulus / ADP signalling through P2Y purinoceptor 1 / ADORA2B mediated anti-inflammatory cytokines production / G beta:gamma signalling through PI3Kgamma / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / sensory perception of smell / adenylate cyclase-activating dopamine receptor signaling pathway / GPER1 signaling / Inactivation, recovery and regulation of the phototransduction cascade / cellular response to prostaglandin E stimulus / G-protein beta-subunit binding / heterotrimeric G-protein complex / G alpha (12/13) signalling events / sensory perception of taste / extracellular vesicle / signaling receptor complex adaptor activity / Thrombin signalling through proteinase activated receptors (PARs) / positive regulation of cold-induced thermogenesis / retina development in camera-type eye / G protein activity / GTPase binding / Ca2+ pathway / fibroblast proliferation / 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 / 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 / G alpha (q) signalling events / Ras protein signal transduction / Extra-nuclear estrogen signaling / cell population proliferation / G protein-coupled receptor signaling pathway / lysosomal membrane / GTPase activity / synapse / ubiquitin protein ligase binding / protein-containing complex binding / GTP binding / signal transduction / extracellular exosome / metal ion binding / membrane / plasma membrane 類似検索 - 分子機能 | |||||||||
生物種 | ![]() ![]() ![]() 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: 2.97 Å | |||||||||
![]() | Degtjarik, O. / Israeli, H. / Prabahar, V. / Shalev-Benami, M. | |||||||||
![]() | ![]() タイトル: Structure reveals the activation mechanism of the MC4 receptor to initiate satiation signaling. 著者: Hadar Israeli / Oksana Degtjarik / Fabrizio Fierro / Vidicha Chunilal / Amandeep Kaur Gill / Nicolas J Roth / Joaquin Botta / Vadivel Prabahar / Yoav Peleg / Li F Chan / Danny Ben-Zvi / Peter ...著者: Hadar Israeli / Oksana Degtjarik / Fabrizio Fierro / Vidicha Chunilal / Amandeep Kaur Gill / Nicolas J Roth / Joaquin Botta / Vadivel Prabahar / Yoav Peleg / Li F Chan / Danny Ben-Zvi / Peter J McCormick / Masha Y Niv / Moran Shalev-Benami / ![]() ![]() 要旨: Obesity is a global epidemic that causes morbidity and impaired quality of life. The melanocortin receptor 4 (MC4R) is at the crux of appetite, energy homeostasis, and body-weight control in the ...Obesity is a global epidemic that causes morbidity and impaired quality of life. The melanocortin receptor 4 (MC4R) is at the crux of appetite, energy homeostasis, and body-weight control in the central nervous system and is a prime target for anti-obesity drugs. Here, we present the cryo-electron microscopy (cryo-EM) structure of the human MC4R-G signaling complex bound to the agonist setmelanotide, a cyclic peptide recently approved for the treatment of obesity. The work reveals the mechanism of MC4R activation, highlighting a molecular switch that initiates satiation signaling. In addition, our findings indicate that calcium (Ca) is required for agonist, but not antagonist, efficacy. These results fill a gap in the understanding of MC4R activation and could guide the design of future weight-management drugs. | |||||||||
履歴 |
|
-
構造の表示
ムービー |
![]() |
---|---|
構造ビューア | 分子: ![]() ![]() |
-
ダウンロードとリンク
-
ダウンロード
PDBx/mmCIF形式 | ![]() | 216 KB | 表示 | ![]() |
---|---|---|---|---|
PDB形式 | ![]() | 164.9 KB | 表示 | ![]() |
PDBx/mmJSON形式 | ![]() | ツリー表示 | ![]() | |
その他 | ![]() |
-検証レポート
文書・要旨 | ![]() | 894.2 KB | 表示 | ![]() |
---|---|---|---|---|
文書・詳細版 | ![]() | 896.3 KB | 表示 | |
XML形式データ | ![]() | 34.1 KB | 表示 | |
CIF形式データ | ![]() | 52.6 KB | 表示 | |
アーカイブディレクトリ | ![]() ![]() | HTTPS FTP |
-関連構造データ
-
リンク
-
集合体
登録構造単位 | ![]()
|
---|---|
1 |
|
-
要素
-Guanine nucleotide-binding protein ... , 3種, 3分子 ABG
#2: タンパク質 | 分子量: 43194.902 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() 発現宿主: ![]() ![]() 参照: UniProt: P63092 |
---|---|
#3: タンパク質 | 分子量: 39286.891 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() 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) ![]() 発現宿主: ![]() ![]() 参照: UniProt: P59768 |
-タンパク質 / 抗体 / タンパク質・ペプチド , 3種, 3分子 RSC
#1: タンパク質 | 分子量: 38972.852 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() 発現宿主: ![]() ![]() 参照: UniProt: P32245 |
---|---|
#5: 抗体 | 分子量: 27340.482 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() ![]() |
#6: タンパク質・ペプチド | 分子量: 1106.349 Da / 分子数: 1 / 由来タイプ: 合成 / 由来: (合成) synthetic construct (人工物) |
-非ポリマー , 2種, 2分子 


#7: 化合物 | ChemComp-CA / |
---|---|
#8: 水 | ChemComp-HOH / |
-詳細
研究の焦点であるリガンドがあるか | 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 |
| ||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
由来(天然) |
| ||||||||||||||||||||||||||||||
由来(組換発現) |
| ||||||||||||||||||||||||||||||
緩衝液 | pH: 7.5 | ||||||||||||||||||||||||||||||
試料 | 濃度: 14 mg/ml / 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES | ||||||||||||||||||||||||||||||
試料支持 | グリッドの材料: GOLD / グリッドのサイズ: 200 divisions/in. / グリッドのタイプ: Quantifoil R1.2/1.3 | ||||||||||||||||||||||||||||||
急速凍結 | 装置: FEI VITROBOT MARK IV / 凍結剤: ETHANE / 湿度: 100 % / 凍結前の試料温度: 295 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: FEI TITAN KRIOS |
電子銃 | 電子線源: ![]() |
電子レンズ | モード: BRIGHT FIELD / C2レンズ絞り径: 100 µm |
撮影 | 電子線照射量: 45.5 e/Å2 フィルム・検出器のモデル: GATAN K3 BIOQUANTUM (6k x 4k) |
-
解析
ソフトウェア |
| ||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
CTF補正 | タイプ: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
3次元再構成 | 解像度: 2.97 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 366496 / 対称性のタイプ: POINT | ||||||||||||||||||||||||
精密化 | 立体化学のターゲット値: CDL v1.2 | ||||||||||||||||||||||||
拘束条件 |
|