+データを開く
-基本情報
登録情報 | データベース: PDB / ID: 7y12 | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
タイトル | Cryo-EM structure of MrgD-Gi complex with beta-alanine | |||||||||
要素 |
| |||||||||
キーワード | SIGNALING PROTEIN / GPCR / Complex | |||||||||
機能・相同性 | 機能・相同性情報 Activation of the phototransduction cascade / Olfactory Signaling Pathway / Sensory perception of sweet, bitter, and umami (glutamate) taste / G beta:gamma signalling through PLC beta / Presynaptic function of Kainate receptors / Prostacyclin signalling through prostacyclin receptor / G alpha (z) signalling events / Glucagon-type ligand receptors / G beta:gamma signalling through PI3Kgamma / G beta:gamma signalling through CDC42 ...Activation of the phototransduction cascade / Olfactory Signaling Pathway / Sensory perception of sweet, bitter, and umami (glutamate) taste / G beta:gamma signalling through PLC beta / Presynaptic function of Kainate receptors / Prostacyclin signalling through prostacyclin receptor / G alpha (z) signalling events / Glucagon-type ligand receptors / G beta:gamma signalling through PI3Kgamma / G beta:gamma signalling through CDC42 / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / G beta:gamma signalling through BTK / Adrenaline,noradrenaline inhibits insulin secretion / ADP signalling through P2Y purinoceptor 12 / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / Thromboxane signalling through TP receptor / Thrombin signalling through proteinase activated receptors (PARs) / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / G-protein activation / Ca2+ pathway / G alpha (s) signalling events / G alpha (q) signalling events / Extra-nuclear estrogen signaling / G alpha (12/13) signalling events / Vasopressin regulates renal water homeostasis via Aquaporins / GPER1 signaling / G alpha (i) signalling events / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / ADP signalling through P2Y purinoceptor 1 / phototransduction, visible light / alkylglycerophosphoethanolamine phosphodiesterase activity / photoreceptor outer segment membrane / spectrin binding / photoreceptor outer segment / T cell migration / D2 dopamine receptor binding / Adenylate cyclase inhibitory pathway / positive regulation of protein localization to cell cortex / regulation of cAMP-mediated signaling / G protein-coupled serotonin receptor binding / cellular response to forskolin / regulation of mitotic spindle organization / cardiac muscle cell apoptotic process / photoreceptor inner segment / adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway / Regulation of insulin secretion / G protein-coupled receptor binding / G protein-coupled receptor activity / electron transport chain / G-protein beta/gamma-subunit complex binding / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / response to peptide hormone / ADP signalling through P2Y purinoceptor 12 / Adrenaline,noradrenaline inhibits insulin secretion / G alpha (z) signalling events / ADORA2B mediated anti-inflammatory cytokines production / sensory perception of taste / GPER1 signaling / GDP binding / G-protein beta-subunit binding / heterotrimeric G-protein complex / signaling receptor complex adaptor activity / GTPase binding / myelin sheath / retina development in camera-type eye / cell cortex / phospholipase C-activating G protein-coupled receptor signaling pathway / positive regulation of cytosolic calcium ion concentration / cellular response to hypoxia / midbody / 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 / cell population proliferation / Extra-nuclear estrogen signaling / periplasmic space / electron transfer activity / iron ion binding / G protein-coupled receptor signaling pathway / lysosomal membrane / cell division / GTPase activity / centrosome / dendrite / heme binding / synapse / protein-containing complex binding / GTP binding / nucleolus / magnesium ion binding / extracellular space / extracellular exosome / nucleoplasm / plasma membrane / cytoplasm 類似検索 - 分子機能 | |||||||||
生物種 | Homo sapiens (ヒト) Mus musculus (ハツカネズミ) Escherichia coli (大腸菌) 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: 3.1 Å | |||||||||
データ登録者 | Suzuki, S. / Iida, M. / Kawamoto, A. / Oshima, A. | |||||||||
資金援助 | 日本, 2件
| |||||||||
引用 | ジャーナル: Commun Biol / 年: 2022 タイトル: Structural insight into the activation mechanism of MrgD with heterotrimeric Gi-protein revealed by cryo-EM. 著者: Shota Suzuki / Momoko Iida / Yoko Hiroaki / Kotaro Tanaka / Akihiro Kawamoto / Takayuki Kato / Atsunori Oshima / 要旨: MrgD, a member of the Mas-related G protein-coupled receptor (MRGPR) family, has high basal activity for Gi activation. It recognizes endogenous ligands, such as β-alanine, and is involved in pain ...MrgD, a member of the Mas-related G protein-coupled receptor (MRGPR) family, has high basal activity for Gi activation. It recognizes endogenous ligands, such as β-alanine, and is involved in pain and itch signaling. The lack of a high-resolution structure for MrgD hinders our understanding of whether its activation is ligand-dependent or constitutive. Here, we report two cryo-EM structures of the MrgD-Gi complex in the β-alanine-bound and apo states at 3.1 Å and 2.8 Å resolution, respectively. These structures show that β-alanine is bound to a shallow pocket at the extracellular domains. The extracellular half of the sixth transmembrane helix undergoes a significant movement and is tightly packed into the third transmembrane helix through hydrophobic residues, creating the active form. Our structures demonstrate a structural basis for the characteristic ligand recognition of MrgD. These findings provide a framework to guide drug designs targeting the MrgD receptor. | |||||||||
履歴 |
|
-構造の表示
構造ビューア | 分子: MolmilJmol/JSmol |
---|
-ダウンロードとリンク
-ダウンロード
PDBx/mmCIF形式 | 7y12.cif.gz | 237.5 KB | 表示 | PDBx/mmCIF形式 |
---|---|---|---|---|
PDB形式 | pdb7y12.ent.gz | 177.4 KB | 表示 | PDB形式 |
PDBx/mmJSON形式 | 7y12.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
文書・要旨 | 7y12_validation.pdf.gz | 1.3 MB | 表示 | wwPDB検証レポート |
---|---|---|---|---|
文書・詳細版 | 7y12_full_validation.pdf.gz | 1.3 MB | 表示 | |
XML形式データ | 7y12_validation.xml.gz | 48 KB | 表示 | |
CIF形式データ | 7y12_validation.cif.gz | 71.3 KB | 表示 | |
アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/y1/7y12 ftp://data.pdbj.org/pub/pdb/validation_reports/y1/7y12 | HTTPS FTP |
-関連構造データ
関連構造データ | 33554MC 7y13C 7y14C 7y15C 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 (文献) |
---|---|
類似構造データ | 類似検索 - 機能・相同性F&H 検索 |
電子顕微鏡画像生データ | EMPIAR-11073 (タイトル: Cryo-EM structure of MrgD-Gi complex with beta-alanine Data size: 4.1 TB Data #1: K3 movies for MrgD-Gi complex with beta-alanine [micrographs - multiframe]) |
-リンク
-集合体
登録構造単位 |
|
---|---|
1 |
|
-要素
-Guanine nucleotide-binding protein ... , 3種, 3分子 ABC
#1: タンパク質 | 分子量: 40446.047 Da / 分子数: 1 / 変異: G203A, T219A, P288Q, A326S / 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: Spodoptera frugiperda (ツマジロクサヨトウ) 参照: UniProt: P63096 |
---|---|
#2: タンパク質 | 分子量: 39461.070 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Mus musculus (ハツカネズミ) / 遺伝子: Gnb1 発現宿主: Spodoptera frugiperda (ツマジロクサヨトウ) 参照: UniProt: P62874 |
#3: 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) Mus musculus (ハツカネズミ) / 遺伝子: Gng2 発現宿主: Spodoptera frugiperda (ツマジロクサヨトウ) 参照: UniProt: P63213 |
-タンパク質 / 抗体 , 2種, 2分子 RS
#4: タンパク質 | 分子量: 50141.285 Da / 分子数: 1 Fragment: Chimera protein of Cytochrome b-562 (UNP residues 23-127) and MrgD (UNP residues 5-321) 変異: M29W, H124I / 由来タイプ: 組換発現 由来: (組換発現) Escherichia coli (大腸菌), (組換発現) Homo sapiens (ヒト) 遺伝子: cybC, MRGPRD, MRGD 発現宿主: Spodoptera frugiperda (ツマジロクサヨトウ) 参照: UniProt: P0ABE7, UniProt: Q8TDS7 |
---|---|
#5: 抗体 | 分子量: 31739.434 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: Spodoptera frugiperda (ツマジロクサヨトウ) |
-非ポリマー , 2種, 4分子
#6: 化合物 | ChemComp-BAL / |
---|---|
#7: 化合物 |
-詳細
研究の焦点であるリガンドがあるか | Y |
---|---|
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 |
| ||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
分子量 | 実験値: NO | ||||||||||||||||||||||||||||||
由来(天然) |
| ||||||||||||||||||||||||||||||
由来(組換発現) |
| ||||||||||||||||||||||||||||||
緩衝液 | pH: 7.4 | ||||||||||||||||||||||||||||||
試料 | 濃度: 10 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: 300 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: 277 K / 詳細: blot time 3 seconds blot force 5 |
-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: 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): 1900 nm / 最小 デフォーカス(公称値): 700 nm / Cs: 0.01 mm |
試料ホルダ | 凍結剤: NITROGEN 試料ホルダーモデル: FEI TITAN KRIOS AUTOGRID HOLDER |
撮影 | 電子線照射量: 60 e/Å2 フィルム・検出器のモデル: GATAN K3 BIOQUANTUM (6k x 4k) |
電子光学装置 | 球面収差補正装置: The Microscope implicated Cs corrector. |
-解析
ソフトウェア | 名称: PHENIX / バージョン: 1.20.1_4487: / 分類: 精密化 | ||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
EMソフトウェア |
| ||||||||||||||||||||||||
CTF補正 | タイプ: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
対称性 | 点対称性: C1 (非対称) | ||||||||||||||||||||||||
3次元再構成 | 解像度: 3.1 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 97282 / 対称性のタイプ: POINT | ||||||||||||||||||||||||
拘束条件 |
|