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Yorodumi- EMDB-20126: Cryo-EM structure of formyl peptide receptor 2/lipoxin A4 recepto... -
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Basic information
| Entry | Database: EMDB / ID: EMD-20126 | |||||||||
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| Title | Cryo-EM structure of formyl peptide receptor 2/lipoxin A4 receptor in complex with Gi | |||||||||
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Keywords | Formyl peptide receptor 2/lipoxin A4 receptor / GPCR / Gi protein / SIGNALING PROTEIN | |||||||||
| Function / homology | Function and homology informationN-formyl peptide receptor activity / complement receptor activity / immune response-regulating cell surface receptor signaling pathway / scavenger receptor binding / positive regulation of innate immune response / positive regulation of monocyte chemotaxis / complement receptor mediated signaling pathway / Formyl peptide receptors bind formyl peptides and many other ligands / cargo receptor activity / positive chemotaxis ...N-formyl peptide receptor activity / complement receptor activity / immune response-regulating cell surface receptor signaling pathway / scavenger receptor binding / positive regulation of innate immune response / positive regulation of monocyte chemotaxis / complement receptor mediated signaling pathway / Formyl peptide receptors bind formyl peptides and many other ligands / cargo receptor activity / positive chemotaxis / tertiary granule membrane / ficolin-1-rich granule membrane / specific granule membrane / positive regulation of superoxide anion generation / regulation of eating behavior / adenylate cyclase inhibitor activity / T cell migration / positive regulation of protein localization to cell cortex / positive regulation of relaxation of smooth muscle / Adenylate cyclase inhibitory pathway / astrocyte activation / receptor-mediated endocytosis / D2 dopamine receptor binding / positive regulation of phagocytosis / adenylate cyclase-inhibiting dopamine receptor signaling pathway / adenylate cyclase-inhibiting serotonin receptor signaling pathway / G protein-coupled serotonin receptor binding / regulation of G protein-coupled receptor signaling pathway / cellular response to forskolin / regulation of mitotic spindle organization / mast cell degranulation / calcium-mediated signaling / chemokine-mediated signaling pathway / establishment of mitotic spindle orientation / neuropeptide signaling pathway / Regulation of insulin secretion / microglial cell activation / response to prostaglandin E / negative regulation of inflammatory response / positive regulation of cholesterol biosynthetic process / G protein-coupled receptor binding / chemotaxis / response to peptide hormone / G protein-coupled receptor activity / cellular response to amyloid-beta / G-protein beta/gamma-subunit complex binding / adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / Olfactory Signaling Pathway / phospholipase C-activating G protein-coupled receptor signaling pathway / Activation of the phototransduction cascade / G protein-coupled acetylcholine receptor signaling pathway / G beta:gamma signalling through PLC beta / Presynaptic function of Kainate receptors / Thromboxane signalling through TP receptor / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / G-protein activation / Glucagon signaling in metabolic regulation / G beta:gamma signalling through CDC42 / Prostacyclin signalling through prostacyclin receptor / GDP binding / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / photoreceptor disc membrane / G beta:gamma signalling through BTK / ADP signalling through P2Y purinoceptor 12 / Sensory perception of sweet, bitter, and umami (glutamate) taste / 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 / ADP signalling through P2Y purinoceptor 1 / cellular response to catecholamine stimulus / G beta:gamma signalling through PI3Kgamma / ADORA2B mediated anti-inflammatory cytokines production / adenylate cyclase-activating dopamine receptor signaling pathway / cellular response to prostaglandin E stimulus / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / amyloid-beta binding / GPER1 signaling / heterotrimeric G-protein complex / G alpha (12/13) signalling events / Inactivation, recovery and regulation of the phototransduction cascade / signaling receptor activity / G-protein beta-subunit binding / extracellular vesicle / positive regulation of cytosolic calcium ion concentration / Thrombin signalling through proteinase activated receptors (PARs) / adenylate cyclase-activating G protein-coupled receptor signaling pathway / signaling receptor complex adaptor activity / spindle pole / ciliary basal body / GTPase binding / midbody / G protein activity / cell cortex / Ca2+ pathway / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells / positive regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction Similarity search - Function | |||||||||
| Biological species | Homo sapiens (human) / synthetic construct (others) | |||||||||
| Method | single particle reconstruction / cryo EM / Resolution: 3.17 Å | |||||||||
Authors | Zhuang Y / Liu H | |||||||||
| Funding support | United States, 2 items
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Citation | Journal: Nat Commun / Year: 2020Title: Structure of formylpeptide receptor 2-G complex reveals insights into ligand recognition and signaling. Authors: Youwen Zhuang / Heng Liu / X Edward Zhou / Ravi Kumar Verma / Parker W de Waal / Wonjo Jang / Ting-Hai Xu / Lei Wang / Xing Meng / Gongpu Zhao / Yanyong Kang / Karsten Melcher / Hao Fan / ...Authors: Youwen Zhuang / Heng Liu / X Edward Zhou / Ravi Kumar Verma / Parker W de Waal / Wonjo Jang / Ting-Hai Xu / Lei Wang / Xing Meng / Gongpu Zhao / Yanyong Kang / Karsten Melcher / Hao Fan / Nevin A Lambert / H Eric Xu / Cheng Zhang / ![]() Abstract: Formylpeptide receptors (FPRs) as G protein-coupled receptors (GPCRs) can recognize formylpeptides derived from pathogens or host cells to function in host defense and cell clearance. In addition, ...Formylpeptide receptors (FPRs) as G protein-coupled receptors (GPCRs) can recognize formylpeptides derived from pathogens or host cells to function in host defense and cell clearance. In addition, FPRs, especially FPR2, can also recognize other ligands with a large chemical diversity generated at different stages of inflammation to either promote or resolve inflammation in order to maintain a balanced inflammatory response. The mechanism underlying promiscuous ligand recognition and activation of FPRs is not clear. Here we report a cryo-EM structure of FPR2-G signaling complex with a peptide agonist. The structure reveals a widely open extracellular region with an amphiphilic environment for ligand binding. Together with computational docking and simulation, the structure suggests a molecular basis for the recognition of formylpeptides and a potential mechanism of receptor activation, and reveals conserved and divergent features in G coupling. Our results provide a basis for understanding the molecular mechanism of the functional promiscuity of FPRs. | |||||||||
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Structure visualization
| Movie |
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| Structure viewer | EM map: SurfView Molmil Jmol/JSmol |
| Supplemental images |
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Downloads & links
-EMDB archive
| Map data | emd_20126.map.gz | 59.9 MB | EMDB map data format | |
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| Header (meta data) | emd-20126-v30.xml emd-20126.xml | 20.5 KB 20.5 KB | Display Display | EMDB header |
| Images | emd_20126.png | 55.7 KB | ||
| Filedesc metadata | emd-20126.cif.gz | 7.1 KB | ||
| Archive directory | https://data.pdbj.org/pub/emdb/structures/EMD-20126 ftp://data.pdbj.org/pub/emdb/structures/EMD-20126 | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 6ommMC M: atomic model generated by this map C: citing same article ( |
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| Similar structure data |
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Links
| EMDB pages | EMDB (EBI/PDBe) / EMDataResource |
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| Related items in Molecule of the Month |
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Map
| File | Download / File: emd_20126.map.gz / Format: CCP4 / Size: 64 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Voxel size | X=Y=Z: 1.029 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Density |
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| Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Details | EMDB XML:
CCP4 map header:
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-Supplemental data
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Sample components
-Entire : FPR2-Gi complex
| Entire | Name: FPR2-Gi complex |
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| Components |
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-Supramolecule #1: FPR2-Gi complex
| Supramolecule | Name: FPR2-Gi complex / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#6 |
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| Source (natural) | Organism: Homo sapiens (human) |
-Macromolecule #1: N-formyl peptide receptor 2
| Macromolecule | Name: N-formyl peptide receptor 2 / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO |
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| Source (natural) | Organism: Homo sapiens (human) |
| Molecular weight | Theoretical: 40.329238 KDa |
| Recombinant expression | Organism: ![]() |
| Sequence | String: DYKDDDDVDG SAENLYFQGA SMETNFSTPL NEYEEVSYES AGYTVLRILP LVVLGVTFVL GVLGNGLVIW VAGFRMTRTV TTICYLNLA LADFSFTATL PFLIVSMAMG EKWPFGWFLC KLIHIVVDIN LFGSVFLIGF IALDRCICVL HPVWAQNHRT V SLAMKVIV ...String: DYKDDDDVDG SAENLYFQGA SMETNFSTPL NEYEEVSYES AGYTVLRILP LVVLGVTFVL GVLGNGLVIW VAGFRMTRTV TTICYLNLA LADFSFTATL PFLIVSMAMG EKWPFGWFLC KLIHIVVDIN LFGSVFLIGF IALDRCICVL HPVWAQNHRT V SLAMKVIV GPWILALVLT LPVFLFLTTV TIPNGDTYCT FNFASWGGTP EERLKVAITM LTARGIIRFV IGFSLPMSIV AI CYGLIAA KIHKKGMIKS SRPLRVLTAV VASFFICWFP FQLVALLGTV WLKEMLFYGK YKIIDILVNP TSSLAFFNSC LNP MLYVFV GQDFRERLIH SLPTSLERAL SEDSAPTNDT AANSASP UniProtKB: N-formyl peptide receptor 2 |
-Macromolecule #2: Peptide agonist
| Macromolecule | Name: Peptide agonist / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO |
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| Source (natural) | Organism: synthetic construct (others) |
| Molecular weight | Theoretical: 857.117 Da |
| Sequence | String: WKYMV(QXV) |
-Macromolecule #3: Guanine nucleotide-binding protein G(i) subunit alpha-1
| Macromolecule | Name: Guanine nucleotide-binding protein G(i) subunit alpha-1 type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO |
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| Source (natural) | Organism: Homo sapiens (human) |
| Molecular weight | Theoretical: 40.327891 KDa |
| Recombinant expression | Organism: ![]() |
| Sequence | String: GCTLSAEDKA AVERSKMIDR NLREDGEKAA REVKLLLLGA GESGKSTIVK QMKIIHEAGY SEEECKQYKA VVYSNTIQSI IAIIRAMGR LKIDFGDSAR ADDARQLFVL AGAAEEGFMT AELAGVIKRL WKDSGVQACF NRSREYQLND SAAYYLNDLD R IAQPNYIP ...String: GCTLSAEDKA AVERSKMIDR NLREDGEKAA REVKLLLLGA GESGKSTIVK QMKIIHEAGY SEEECKQYKA VVYSNTIQSI IAIIRAMGR LKIDFGDSAR ADDARQLFVL AGAAEEGFMT AELAGVIKRL WKDSGVQACF NRSREYQLND SAAYYLNDLD R IAQPNYIP TQQDVLRTRV KTTGIVETHF TFKDLHFKMF DVGAQRSERK KWIHCFEGVT AIIFCVALSD YDLVLAEDEE MN RMHESMK LFDSICNNKW FTDTSIILFL NKKDLFEEKI KKSPLTICYP EYAGSNTYEE AAAYIQCQFE DLNKRKDTKE IYT HFTCST ETKNVQFVFD AVTDVIIKNN LKDCGLF UniProtKB: Guanine nucleotide-binding protein G(i) subunit alpha-1 |
-Macromolecule #4: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
| Macromolecule | Name: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO |
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| Source (natural) | Organism: Homo sapiens (human) |
| Molecular weight | Theoretical: 39.021648 KDa |
| Recombinant expression | Organism: ![]() |
| Sequence | String: HHHHHHHHMG SLLQSELDEL RQEAEQLKNQ IRDARKACAD ATLSQITNNI DPVGRIQMRT RRTLRGHLAK IYAMHWGTDS RLLVSASQD GKLIIWDSYT TNKVHAIPLR SSWVMTCAYA PSGNYVACGG LDNICSIYNL KTRQGNVRVS RELAGHTGYL S CCRFLDDN ...String: HHHHHHHHMG SLLQSELDEL RQEAEQLKNQ IRDARKACAD ATLSQITNNI DPVGRIQMRT RRTLRGHLAK IYAMHWGTDS RLLVSASQD GKLIIWDSYT TNKVHAIPLR SSWVMTCAYA PSGNYVACGG LDNICSIYNL KTRQGNVRVS RELAGHTGYL S CCRFLDDN QIVTSSGDTT CALWDIETGQ QTTTFTGHTG DVMSLSLAPD TRLFVSGACD ASAKLWDVRE GMCRQTFTGH ES DINAICF FPDGNAFATG SDDATCRLFD LRADQELMTY SHDNIICGIT SVSFSKSGRL LLAGYDDFNC NVWDALKADR AGV LAGHDN RVSCLGVTDD GMAVATGSWD SFLKIWN UniProtKB: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 |
-Macromolecule #5: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
| Macromolecule | Name: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO |
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| Source (natural) | Organism: Homo sapiens (human) |
| Molecular weight | Theoretical: 7.430584 KDa |
| Recombinant expression | Organism: ![]() |
| Sequence | String: ASNNTASIAQ ARKLVQQLKM EANIDRIKVS KAAADLMAYC EAHAKEDPLL TPVPASQNPF REKKFFC UniProtKB: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 |
-Macromolecule #6: scFv16
| Macromolecule | Name: scFv16 / type: protein_or_peptide / ID: 6 / Number of copies: 1 / Enantiomer: LEVO |
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| Source (natural) | Organism: synthetic construct (others) |
| Molecular weight | Theoretical: 26.323324 KDa |
| Recombinant expression | Organism: ![]() |
| Sequence | String: VQLVESGGGL VQPGGSRKLS CSASGFAFSS FGMHWVRQAP EKGLEWVAYI SSGSGTIYYA DTVKGRFTIS RDDPKNTLFL QMTSLRSED TAMYYCVRSI YYYGSSPFDF WGQGTTLTVS SGGGGSGGGG SGGGGSSDIV MTQATSSVPV TPGESVSISC R SSKSLLHS ...String: VQLVESGGGL VQPGGSRKLS CSASGFAFSS FGMHWVRQAP EKGLEWVAYI SSGSGTIYYA DTVKGRFTIS RDDPKNTLFL QMTSLRSED TAMYYCVRSI YYYGSSPFDF WGQGTTLTVS SGGGGSGGGG SGGGGSSDIV MTQATSSVPV TPGESVSISC R SSKSLLHS NGNTYLYWFL QRPGQSPQLL IYRMSNLASG VPERFSGSGS GTAFTLTISR LEAEDVGVYY CMQHLEYPLT FG AGTKLEL |
-Macromolecule #7: CHOLESTEROL
| Macromolecule | Name: CHOLESTEROL / type: ligand / ID: 7 / Number of copies: 5 / Formula: CLR |
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| Molecular weight | Theoretical: 386.654 Da |
| Chemical component information | ![]() ChemComp-CLR: |
-Macromolecule #8: PALMITIC ACID
| Macromolecule | Name: PALMITIC ACID / type: ligand / ID: 8 / Number of copies: 3 / Formula: PLM |
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| Molecular weight | Theoretical: 256.424 Da |
| Chemical component information | ![]() ChemComp-PLM: |
-Experimental details
-Structure determination
| Method | cryo EM |
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Processing | single particle reconstruction |
| Aggregation state | particle |
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Sample preparation
| Buffer | pH: 7.2 |
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| Grid | Details: unspecified |
| Vitrification | Cryogen name: ETHANE |
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Electron microscopy
| Microscope | FEI TITAN KRIOS |
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| Image recording | Film or detector model: GATAN K2 BASE (4k x 4k) / Average electron dose: 8.4 e/Å2 |
| Electron beam | Acceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN |
| Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD |
| Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Keywords
Homo sapiens (human)
Authors
United States, 2 items
Citation

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