+データを開く
-基本情報
登録情報 | データベース: EMDB / ID: EMD-35282 | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
タイトル | Structure of Apo-C3aR-Go complex (Titan) | |||||||||||||||
マップデータ | ||||||||||||||||
試料 |
| |||||||||||||||
キーワード | GPCR / G protein / SIGNALING PROTEIN-IMMUNE SYSTEM complex | |||||||||||||||
機能・相同性 | 機能・相同性情報 complement component C3a receptor activity / complement component C5a receptor activity / mu-type opioid receptor binding / complement receptor mediated signaling pathway / corticotropin-releasing hormone receptor 1 binding / vesicle docking involved in exocytosis / positive regulation of neutrophil chemotaxis / blood circulation / azurophil granule membrane / G protein-coupled dopamine receptor signaling pathway ...complement component C3a receptor activity / complement component C5a receptor activity / mu-type opioid receptor binding / complement receptor mediated signaling pathway / corticotropin-releasing hormone receptor 1 binding / vesicle docking involved in exocytosis / positive regulation of neutrophil chemotaxis / blood circulation / azurophil granule membrane / G protein-coupled dopamine receptor signaling pathway / regulation of heart contraction / positive regulation of macrophage chemotaxis / positive regulation of vascular endothelial growth factor production / negative regulation of insulin secretion / Purinergic signaling in leishmaniasis infection / specific granule membrane / G protein-coupled serotonin receptor binding / muscle contraction / Peptide ligand-binding receptors / Regulation of Complement cascade / locomotory behavior / G protein-coupled receptor activity / calcium-mediated signaling / G-protein beta/gamma-subunit complex binding / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / Olfactory Signaling Pathway / Activation of the phototransduction cascade / 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 / Prostacyclin signalling through prostacyclin receptor / Glucagon signaling in metabolic regulation / G beta:gamma signalling through CDC42 / G beta:gamma signalling through BTK / ADP signalling through P2Y purinoceptor 12 / Sensory perception of sweet, bitter, and umami (glutamate) taste / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / 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 / ADORA2B mediated anti-inflammatory cytokines production / cellular response to catecholamine stimulus / positive regulation of angiogenesis / sensory perception of taste / ADP signalling through P2Y purinoceptor 1 / 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 / chemotaxis / GPER1 signaling / cellular response to prostaglandin E stimulus / G-protein beta-subunit binding / Inactivation, recovery and regulation of the phototransduction cascade / heterotrimeric G-protein complex / G alpha (12/13) signalling events / extracellular vesicle / signaling receptor complex adaptor activity / Thrombin signalling through proteinase activated receptors (PARs) / GTPase binding / retina development in camera-type eye / Ca2+ pathway / phospholipase C-activating G protein-coupled receptor signaling pathway / positive regulation of cytosolic calcium ion concentration / cell body / G alpha (i) signalling events / fibroblast proliferation / G alpha (s) 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 / G alpha (q) signalling events / Ras protein signal transduction / cell population proliferation / Extra-nuclear estrogen signaling / inflammatory response / G protein-coupled receptor signaling pathway / lysosomal membrane / GTPase activity / dendrite / Neutrophil degranulation / synapse / protein-containing complex binding / GTP binding / signal transduction / extracellular exosome / membrane / metal ion binding / plasma membrane / cytosol / cytoplasm 類似検索 - 分子機能 | |||||||||||||||
生物種 | Homo sapiens (ヒト) / Mus musculus (ハツカネズミ) | |||||||||||||||
手法 | 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 3.26 Å | |||||||||||||||
データ登録者 | Yadav MK / Yadav R / Maharana J / Sarma P / Banerjee R / Shukla AK / Gati C | |||||||||||||||
資金援助 | インド, 英国, 4件
| |||||||||||||||
引用 | ジャーナル: Cell / 年: 2023 タイトル: Molecular basis of anaphylatoxin binding, activation, and signaling bias at complement receptors. 著者: Manish K Yadav / Jagannath Maharana / Ravi Yadav / Shirsha Saha / Parishmita Sarma / Chahat Soni / Vinay Singh / Sayantan Saha / Manisankar Ganguly / Xaria X Li / Samanwita Mohapatra / Sudha ...著者: Manish K Yadav / Jagannath Maharana / Ravi Yadav / Shirsha Saha / Parishmita Sarma / Chahat Soni / Vinay Singh / Sayantan Saha / Manisankar Ganguly / Xaria X Li / Samanwita Mohapatra / Sudha Mishra / Htet A Khant / Mohamed Chami / Trent M Woodruff / Ramanuj Banerjee / Arun K Shukla / Cornelius Gati / 要旨: The complement system is a critical part of our innate immune response, and the terminal products of this cascade, anaphylatoxins C3a and C5a, exert their physiological and pathophysiological ...The complement system is a critical part of our innate immune response, and the terminal products of this cascade, anaphylatoxins C3a and C5a, exert their physiological and pathophysiological responses primarily via two GPCRs, C3aR and C5aR1. However, the molecular mechanism of ligand recognition, activation, and signaling bias of these receptors remains mostly elusive. Here, we present nine cryo-EM structures of C3aR and C5aR1 activated by their natural and synthetic agonists, which reveal distinct binding pocket topologies of complement anaphylatoxins and provide key insights into receptor activation and transducer coupling. We also uncover the structural basis of a naturally occurring mechanism to dampen the inflammatory response of C5a via proteolytic cleavage of the terminal arginine and the G-protein signaling bias elicited by a peptide agonist of C3aR identified here. In summary, our study elucidates the innerworkings of the complement anaphylatoxin receptors and should facilitate structure-guided drug discovery to target these receptors in a spectrum of disorders. | |||||||||||||||
履歴 |
|
-構造の表示
添付画像 |
---|
-ダウンロードとリンク
-EMDBアーカイブ
マップデータ | emd_35282.map.gz | 168.2 MB | EMDBマップデータ形式 | |
---|---|---|---|---|
ヘッダ (付随情報) | emd-35282-v30.xml emd-35282.xml | 24.3 KB 24.3 KB | 表示 表示 | EMDBヘッダ |
FSC (解像度算出) | emd_35282_fsc.xml | 8.4 KB | 表示 | FSCデータファイル |
画像 | emd_35282.png | 34.2 KB | ||
Filedesc metadata | emd-35282.cif.gz | 7.1 KB | ||
その他 | emd_35282_half_map_1.map.gz emd_35282_half_map_2.map.gz | 165 MB 165 MB | ||
アーカイブディレクトリ | http://ftp.pdbj.org/pub/emdb/structures/EMD-35282 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-35282 | HTTPS FTP |
-検証レポート
文書・要旨 | emd_35282_validation.pdf.gz | 1 MB | 表示 | EMDB検証レポート |
---|---|---|---|---|
文書・詳細版 | emd_35282_full_validation.pdf.gz | 1 MB | 表示 | |
XML形式データ | emd_35282_validation.xml.gz | 19.3 KB | 表示 | |
CIF形式データ | emd_35282_validation.cif.gz | 24.5 KB | 表示 | |
アーカイブディレクトリ | https://ftp.pdbj.org/pub/emdb/validation_reports/EMD-35282 ftp://ftp.pdbj.org/pub/emdb/validation_reports/EMD-35282 | HTTPS FTP |
-関連構造データ
関連構造データ | 8i9sMC 8hptC 8hqcC 8i95C 8i97C 8i9aC 8i9lC 8ia2C 8j6dC 8jzzC M: このマップから作成された原子モデル C: 同じ文献を引用 (文献) |
---|---|
類似構造データ | 類似検索 - 機能・相同性F&H 検索 |
-リンク
EMDBのページ | EMDB (EBI/PDBe) / EMDataResource |
---|---|
「今月の分子」の関連する項目 |
-マップ
ファイル | ダウンロード / ファイル: emd_35282.map.gz / 形式: CCP4 / 大きさ: 178 MB / タイプ: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
投影像・断面図 | 画像のコントロール
画像は Spider により作成 | ||||||||||||||||||||||||||||||||||||
ボクセルのサイズ | X=Y=Z: 0.99378 Å | ||||||||||||||||||||||||||||||||||||
密度 |
| ||||||||||||||||||||||||||||||||||||
対称性 | 空間群: 1 | ||||||||||||||||||||||||||||||||||||
詳細 | EMDB XML:
|
-添付データ
-ハーフマップ: #1
ファイル | emd_35282_half_map_1.map | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
投影像・断面図 |
| ||||||||||||
密度ヒストグラム |
-ハーフマップ: #2
ファイル | emd_35282_half_map_2.map | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
投影像・断面図 |
| ||||||||||||
密度ヒストグラム |
-試料の構成要素
+全体 : Structure of Apo-C3aR-Go complex (Titan)
+超分子 #1: Structure of Apo-C3aR-Go complex (Titan)
+超分子 #2: C3a anaphylatoxin chemotactic receptor
+超分子 #3: Guanine nucleotide-binding protein G(o) subunit alpha
+超分子 #4: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
+超分子 #5: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
+超分子 #6: Antibody fragment - ScFv16
+分子 #1: C3a anaphylatoxin chemotactic receptor
+分子 #2: Guanine nucleotide-binding protein G(o) subunit alpha
+分子 #3: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
+分子 #4: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
+分子 #5: Antibody fragment - ScFv16
-実験情報
-構造解析
手法 | クライオ電子顕微鏡法 |
---|---|
解析 | 単粒子再構成法 |
試料の集合状態 | particle |
-試料調製
緩衝液 | pH: 7.4 |
---|---|
凍結 | 凍結剤: ETHANE |
-電子顕微鏡法
顕微鏡 | FEI TITAN KRIOS |
---|---|
撮影 | フィルム・検出器のモデル: GATAN K3 (6k x 4k) / 検出モード: COUNTING / 実像数: 5740 / 平均電子線量: 50.0 e/Å2 |
電子線 | 加速電圧: 300 kV / 電子線源: FIELD EMISSION GUN |
電子光学系 | 照射モード: FLOOD BEAM / 撮影モード: BRIGHT FIELD / 最大 デフォーカス(公称値): 3.0 µm / 最小 デフォーカス(公称値): 0.8 µm |
実験機器 | モデル: Titan Krios / 画像提供: FEI Company |