- EMDB-43990: Structure of human calcium-sensing receptor in complex with Gi1 (... -
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基本情報
登録情報
データベース: EMDB / ID: EMD-43990
タイトル
Structure of human calcium-sensing receptor in complex with Gi1 (miniGi1) protein in detergent
マップデータ
Human CaSR-miniGi1 complex in detergent, composite map of locally refined CaSR ECD, CaSR TMD and G protein.
試料
複合体: Human CaSR in complex with miniGi1 protein in detergent
タンパク質・ペプチド: x 5種
リガンド: x 6種
キーワード
Calcium-sensing receptor (カルシウム感知受容体) / G-protein-coupled receptor (Gタンパク質共役受容体) / G protein (Gタンパク質) / signal transduction (シグナル伝達) / MEMBRANE PROTEIN (膜タンパク質)
機能・相同性
機能・相同性情報
bile acid secretion / chemosensory behavior / cellular response to peptide / response to fibroblast growth factor / cellular response to vitamin D / phosphatidylinositol phospholipase C activity / Class C/3 (Metabotropic glutamate/pheromone receptors) / calcium ion import / positive regulation of positive chemotaxis / fat pad development ...bile acid secretion / chemosensory behavior / cellular response to peptide / response to fibroblast growth factor / cellular response to vitamin D / phosphatidylinositol phospholipase C activity / Class C/3 (Metabotropic glutamate/pheromone receptors) / calcium ion import / positive regulation of positive chemotaxis / fat pad development / amino acid binding / cellular response to hepatocyte growth factor stimulus / branching morphogenesis of an epithelial tube / positive regulation of calcium ion import / regulation of calcium ion transport / cellular response to low-density lipoprotein particle stimulus / detection of calcium ion / Adenylate cyclase inhibitory pathway / positive regulation of protein localization to cell cortex / anatomical structure morphogenesis / regulation of cAMP-mediated signaling / D2 dopamine receptor binding / G protein-coupled serotonin receptor binding / axon terminus / regulation of mitotic spindle organization / cellular response to forskolin / JNK cascade / positive regulation of vasoconstriction / chloride transmembrane transport / adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway / 骨化 / Regulation of insulin secretion / G protein-coupled receptor activity / G protein-coupled receptor binding / response to ischemia / cellular response to glucose stimulus / G-protein beta/gamma-subunit complex binding / Olfactory Signaling Pathway / Activation of the phototransduction cascade / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / G beta:gamma signalling through PLC beta / Presynaptic function of Kainate receptors / Thromboxane signalling through TP receptor / G-protein activation / G protein-coupled acetylcholine receptor signaling pathway / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / positive regulation of insulin secretion / Prostacyclin signalling through prostacyclin receptor / Glucagon signaling in metabolic regulation / G beta:gamma signalling through CDC42 / ADP signalling through P2Y purinoceptor 12 / G beta:gamma signalling through BTK / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / Sensory perception of sweet, bitter, and umami (glutamate) taste / photoreceptor disc membrane / response to peptide hormone / Adrenaline,noradrenaline inhibits insulin secretion / Glucagon-type ligand receptors / Vasopressin regulates renal water homeostasis via Aquaporins / G alpha (z) signalling events / cellular response to catecholamine stimulus / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / intracellular calcium ion homeostasis / ADORA2B mediated anti-inflammatory cytokines production / sensory perception of taste / ADP signalling through P2Y purinoceptor 1 / adenylate cyclase-activating dopamine receptor signaling pathway / G beta:gamma signalling through PI3Kgamma / cellular response to prostaglandin E stimulus / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / vasodilation / GPER1 signaling / GDP binding / 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 / integrin binding / Thrombin signalling through proteinase activated receptors (PARs) / retina development in camera-type eye / GTPase binding / phospholipase C-activating G protein-coupled receptor signaling pathway / Ca2+ pathway / 細胞皮質 / midbody / G alpha (i) signalling events / fibroblast proliferation / cellular response to hypoxia / G alpha (s) signalling events / G alpha (q) signalling events / basolateral plasma membrane / cell population proliferation / Ras protein signal transduction / transmembrane transporter binding / Extra-nuclear estrogen signaling / positive regulation of ERK1 and ERK2 cascade / apical plasma membrane 類似検索 - 分子機能
GPCR, family 3, extracellular calcium-sensing receptor-related / G-protein coupled receptors family 3 signature 1. / G-protein coupled receptors family 3 signature 2. / GPCR, family 3, nine cysteines domain / GPCR, family 3, nine cysteines domain superfamily / Nine Cysteines Domain of family 3 GPCR / GPCR, family 3, conserved site / G-protein coupled receptors family 3 signature 3. / GPCR, family 3 / GPCR family 3, C-terminal ...GPCR, family 3, extracellular calcium-sensing receptor-related / G-protein coupled receptors family 3 signature 1. / G-protein coupled receptors family 3 signature 2. / GPCR, family 3, nine cysteines domain / GPCR, family 3, nine cysteines domain superfamily / Nine Cysteines Domain of family 3 GPCR / GPCR, family 3, conserved site / G-protein coupled receptors family 3 signature 3. / GPCR, family 3 / GPCR family 3, C-terminal / 7 transmembrane sweet-taste receptor of 3 GCPR / G-protein coupled receptors family 3 profile. / G-protein alpha subunit, group I / Receptor, ligand binding region / Receptor family ligand binding region / G-alpha domain profile. / Guanine nucleotide binding protein (G-protein), alpha subunit / G protein alpha subunit, helical insertion / G-protein alpha subunit / G protein alpha subunit / Periplasmic binding protein-like I / G-protein, gamma subunit / G-protein gamma subunit domain profile. / GGL domain / G-protein gamma-like domain superfamily / G-protein gamma-like domain / GGL domain / G protein gamma subunit-like motifs / Guanine nucleotide-binding protein, beta subunit / G-protein, beta subunit / G-protein beta WD-40 repeat / WD40 repeat, conserved site / Trp-Asp (WD) repeats signature. / Trp-Asp (WD) repeats profile. / Trp-Asp (WD) repeats circular profile. / WD domain, G-beta repeat / WD40リピート / WD40リピート / WD40-repeat-containing domain superfamily / WD40/YVTN repeat-like-containing domain superfamily / P-loop containing nucleoside triphosphate hydrolase 類似検索 - ドメイン・相同性
Extracellular calcium-sensing receptor / Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 / Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 / Guanine nucleotide-binding protein G(i) subunit alpha-1 類似検索 - 構成要素
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)
R35GM141871
米国
引用
ジャーナル: Nature / 年: 2024 タイトル: Promiscuous G-protein activation by the calcium-sensing receptor. 著者: Hao Zuo / Jinseo Park / Aurel Frangaj / Jianxiang Ye / Guanqi Lu / Jamie J Manning / Wesley B Asher / Zhengyuan Lu / Guo-Bin Hu / Liguo Wang / Joshua Mendez / Edward Eng / Zhening Zhang / Xin ...著者: Hao Zuo / Jinseo Park / Aurel Frangaj / Jianxiang Ye / Guanqi Lu / Jamie J Manning / Wesley B Asher / Zhengyuan Lu / Guo-Bin Hu / Liguo Wang / Joshua Mendez / Edward Eng / Zhening Zhang / Xin Lin / Robert Grassucci / Wayne A Hendrickson / Oliver B Clarke / Jonathan A Javitch / Arthur D Conigrave / Qing R Fan / 要旨: The human calcium-sensing receptor (CaSR) detects fluctuations in the extracellular Ca concentration and maintains Ca homeostasis. It also mediates diverse cellular processes not associated with Ca ...The human calcium-sensing receptor (CaSR) detects fluctuations in the extracellular Ca concentration and maintains Ca homeostasis. It also mediates diverse cellular processes not associated with Ca balance. The functional pleiotropy of CaSR arises in part from its ability to signal through several G-protein subtypes. We determined structures of CaSR in complex with G proteins from three different subfamilies: G, G and G. We found that the homodimeric CaSR of each complex couples to a single G protein through a common mode. This involves the C-terminal helix of each Gα subunit binding to a shallow pocket that is formed in one CaSR subunit by all three intracellular loops (ICL1-ICL3), an extended transmembrane helix 3 and an ordered C-terminal region. G-protein binding expands the transmembrane dimer interface, which is further stabilized by phospholipid. The restraint imposed by the receptor dimer, in combination with ICL2, enables G-protein activation by facilitating conformational transition of Gα. We identified a single Gα residue that determines G and G versus G selectivity. The length and flexibility of ICL2 allows CaSR to bind all three Gα subtypes, thereby conferring capacity for promiscuous G-protein coupling.
超分子 #1: Human CaSR in complex with miniGi1 protein in detergent
超分子
名称: Human CaSR in complex with miniGi1 protein in detergent タイプ: complex / ID: 1 / 親要素: 0 / 含まれる分子: #1-#5
由来(天然)
生物種: Homo sapiens (ヒト)
分子量
理論値: 301 KDa
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分子 #1: Isoform 1 of Extracellular calcium-sensing receptor
分子
名称: Isoform 1 of Extracellular calcium-sensing receptor / タイプ: protein_or_peptide / ID: 1 詳細: Human calcium-sensing receptor (1-903) with a Flag tag inserted after the signal peptide コピー数: 2 / 光学異性体: LEVO
UniProtKB: Guanine nucleotide-binding protein G(i) subunit alpha-1, Guanine nucleotide-binding protein G(i) subunit alpha-1
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分子 #4: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
分子
名称: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 タイプ: protein_or_peptide / ID: 4 詳細: GNB1 construct with N-ter Flag tag inserted after the first Met. コピー数: 1 / 光学異性体: LEVO