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Open data
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Basic information
Entry | Database: PDB / ID: 8j24 | ||||||
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Title | Cryo-EM structure of FFAR2 complex bound with acetic acid | ||||||
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![]() | MEMBRANE PROTEIN / FFAR2 / GPCR / Complex | ||||||
Function / homology | ![]() positive regulation of acute inflammatory response to non-antigenic stimulus / regulation of peptide hormone secretion / regulation of acute inflammatory response / mucosal immune response / leukocyte chemotaxis involved in inflammatory response / Free fatty acid receptors / cell surface pattern recognition receptor signaling pathway / positive regulation of cytokine production involved in immune response / lipid storage / cellular response to fatty acid ...positive regulation of acute inflammatory response to non-antigenic stimulus / regulation of peptide hormone secretion / regulation of acute inflammatory response / mucosal immune response / leukocyte chemotaxis involved in inflammatory response / Free fatty acid receptors / cell surface pattern recognition receptor signaling pathway / positive regulation of cytokine production involved in immune response / lipid storage / cellular response to fatty acid / fat cell differentiation / ligand-gated ion channel signaling pathway / Adenylate cyclase inhibitory pathway / positive regulation of protein localization to cell cortex / negative regulation of insulin secretion / regulation of cAMP-mediated signaling / D2 dopamine receptor binding / G protein-coupled serotonin receptor binding / positive regulation of chemokine production / regulation of mitotic spindle organization / cellular response to forskolin / adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway / positive regulation of interleukin-8 production / cell projection / Regulation of insulin secretion / G protein-coupled receptor binding / G protein-coupled receptor activity / 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 / positive regulation of insulin secretion / 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 / response to peptide hormone / 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 / 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 / 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 / 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 / glucose homeostasis / 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 / cell cortex / midbody / G alpha (i) signalling events / fibroblast proliferation / G alpha (s) signalling events / G alpha (q) signalling events / Ras protein signal transduction / Extra-nuclear estrogen signaling / cell population proliferation / G protein-coupled receptor signaling pathway / cell division / lysosomal membrane / GTPase activity / centrosome / lipid binding / synapse / protein-containing complex binding / nucleolus / GTP binding / magnesium ion binding / signal transduction / extracellular exosome / nucleoplasm / membrane / plasma membrane Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.6 Å | ||||||
![]() | Tai, L. / Li, F. / Tang, W. / Sun, X. / Wang, J. | ||||||
Funding support | 1items
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![]() | ![]() Title: Molecular recognition and activation mechanism of short-chain fatty acid receptors FFAR2/3. Authors: Fahui Li / Linhua Tai / Xiaoyu Sun / Zhenyu Lv / Wenqin Tang / Tianxin Wang / Ziyi Zhao / Daohong Gong / Shaohua Ma / Shichen Tang / Quanchang Gu / Xiaolei Zhu / Minling Yu / Xiaohong Liu / Jiangyun Wang / ![]() | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 231.2 KB | Display | ![]() |
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PDB format | ![]() | 177.7 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 35944MC ![]() 8j20C ![]() 8j21C ![]() 8j22C M: map data used to model this data C: citing same article ( |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
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Assembly
Deposited unit | ![]()
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Components
-Guanine nucleotide-binding protein ... , 3 types, 3 molecules BCF
#1: Protein | Mass: 41055.867 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() |
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#2: Protein | Mass: 40415.031 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() |
#4: Protein | Mass: 7861.143 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() |
-Protein / Antibody / Non-polymers , 3 types, 3 molecules DG![](data/chem/img/ACT.gif)
![](data/chem/img/ACT.gif)
#3: Protein | Mass: 35256.645 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() |
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#5: Antibody | Mass: 31870.629 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() |
#6: Chemical | ChemComp-ACT / |
-Details
Has ligand of interest | Y |
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-Experimental details
-Experiment
Experiment | Method: ELECTRON MICROSCOPY |
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EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
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Sample preparation
Component | Name: Free fatty acid receptor 2 complex / Type: COMPLEX / Entity ID: #1-#5 / Source: MULTIPLE SOURCES |
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Source (natural) | Organism: ![]() |
Source (recombinant) | Organism: ![]() ![]() |
Buffer solution | pH: 7.5 |
Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES |
Vitrification | Cryogen name: ETHANE |
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Electron microscopy imaging
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Microscopy | Model: FEI TITAN KRIOS |
Electron gun | Electron source: ![]() |
Electron lens | Mode: BRIGHT FIELD / Nominal defocus max: 5000 nm / Nominal defocus min: 1000 nm |
Image recording | Electron dose: 60 e/Å2 / Film or detector model: GATAN K2 SUMMIT (4k x 4k) |
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Processing
CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
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3D reconstruction | Resolution: 2.6 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 1004602 / Symmetry type: POINT | ||||||||||||||||||||||||
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