+Open data
-Basic information
Entry | Database: PDB / ID: 8hcx | ||||||
---|---|---|---|---|---|---|---|
Title | Cryo-EM structure of Endothelin1-bound ETBR-Gq complex | ||||||
Components |
| ||||||
Keywords | MEMBRANE PROTEIN / ET1 / ETAR / Gq / scFv16 | ||||||
Function / homology | Function and homology information enteric smooth muscle cell differentiation / response to endothelin / Oplophorus-luciferin 2-monooxygenase / Oplophorus-luciferin 2-monooxygenase activity / positive regulation of prostaglandin-endoperoxide synthase activity / aldosterone metabolic process / negative regulation of neuron maturation / endothelin A receptor binding / protein kinase C deactivation / chordate pharynx development ...enteric smooth muscle cell differentiation / response to endothelin / Oplophorus-luciferin 2-monooxygenase / Oplophorus-luciferin 2-monooxygenase activity / positive regulation of prostaglandin-endoperoxide synthase activity / aldosterone metabolic process / negative regulation of neuron maturation / endothelin A receptor binding / protein kinase C deactivation / chordate pharynx development / phospholipase D-activating G protein-coupled receptor signaling pathway / rhythmic excitation / endothelin receptor activity / peptide hormone secretion / endothelin B receptor binding / cellular response to human chorionic gonadotropin stimulus / meiotic cell cycle process involved in oocyte maturation / positive regulation of artery morphogenesis / semaphorin-plexin signaling pathway involved in axon guidance / body fluid secretion / neural crest cell fate commitment / regulation of fever generation / vein smooth muscle contraction / glomerular endothelium development / response to prostaglandin F / sympathetic neuron axon guidance / positive regulation of sarcomere organization / noradrenergic neuron differentiation / positive regulation of renal sodium excretion / histamine secretion / leukocyte activation / maternal process involved in parturition / positive regulation of chemokine-mediated signaling pathway / positive regulation of penile erection / rough endoplasmic reticulum lumen / neuroblast migration / heparin metabolic process / posterior midgut development / pharyngeal arch artery morphogenesis / regulation of D-glucose transmembrane transport / positive regulation of odontogenesis / epithelial fluid transport / endothelin receptor signaling pathway involved in heart process / cardiac neural crest cell migration involved in outflow tract morphogenesis / negative regulation of hormone secretion / response to leptin / endothelin receptor signaling pathway / Weibel-Palade body / response to ozone / podocyte differentiation / developmental pigmentation / positive regulation of cell growth involved in cardiac muscle cell development / renal sodium ion absorption / artery smooth muscle contraction / response to sodium phosphate / glomerular filtration / renal sodium excretion / protein transmembrane transport / enteric nervous system development / positive regulation of cation channel activity / axonogenesis involved in innervation / renin secretion into blood stream / cellular response to follicle-stimulating hormone stimulus / cellular response to luteinizing hormone stimulus / melanocyte differentiation / : / regulation of pH / positive regulation of prostaglandin secretion / renal albumin absorption / respiratory gaseous exchange by respiratory system / basal part of cell / cellular response to mineralocorticoid stimulus / positive regulation of smooth muscle contraction / response to salt / positive regulation of urine volume / peripheral nervous system development / positive regulation of hormone secretion / negative regulation of adenylate cyclase activity / regulation of systemic arterial blood pressure by endothelin / vasoconstriction / negative regulation of blood coagulation / regulation of epithelial cell proliferation / type 1 angiotensin receptor binding / embryonic heart tube development / : / dorsal/ventral pattern formation / axon extension / establishment of endothelial barrier / superoxide anion generation / positive regulation of neutrophil chemotaxis / positive regulation of signaling receptor activity / cartilage development / middle ear morphogenesis / negative regulation of protein metabolic process / neural crest cell migration / prostaglandin biosynthetic process / cellular response to glucocorticoid stimulus / cellular response to fatty acid / nitric oxide transport / positive regulation of heart rate Similarity search - Function | ||||||
Biological species | Homo sapiens (human) Mus musculus (house mouse) | ||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.5 Å | ||||||
Authors | Yuan, Q. / Jiang, Y. / Xu, H.E. / Ji, Y. / Duan, J. | ||||||
Funding support | China, 1items
| ||||||
Citation | Journal: Nat Commun / Year: 2023 Title: Structural basis of peptide recognition and activation of endothelin receptors. Authors: Yujie Ji / Jia Duan / Qingning Yuan / Xinheng He / Gong Yang / Shengnan Zhu / Kai Wu / Wen Hu / Tianyu Gao / Xi Cheng / Hualiang Jiang / H Eric Xu / Yi Jiang / Abstract: Endothelin system comprises three endogenous 21-amino-acid peptide ligands endothelin-1, -2, and -3 (ET-1/2/3), and two G protein-coupled receptor (GPCR) subtypes-endothelin receptor A (ETR) and B ...Endothelin system comprises three endogenous 21-amino-acid peptide ligands endothelin-1, -2, and -3 (ET-1/2/3), and two G protein-coupled receptor (GPCR) subtypes-endothelin receptor A (ETR) and B (ETR). Since ET-1, the first endothelin, was identified in 1988 as one of the most potent endothelial cell-derived vasoconstrictor peptides with long-lasting actions, the endothelin system has attracted extensive attention due to its critical role in vasoregulation and close relevance in cardiovascular-related diseases. Here we present three cryo-electron microscopy structures of ETR and ETR bound to ET-1 and ETR bound to the selective peptide IRL1620. These structures reveal a highly conserved recognition mode of ET-1 and characterize the ligand selectivity by ETRs. They also present several conformation features of the active ETRs, thus revealing a specific activation mechanism. Together, these findings deepen our understanding of endothelin system regulation and offer an opportunity to design selective drugs targeting specific ETR subtypes. | ||||||
History |
|
-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
---|
-Downloads & links
-Download
PDBx/mmCIF format | 8hcx.cif.gz | 223.3 KB | Display | PDBx/mmCIF format |
---|---|---|---|---|
PDB format | pdb8hcx.ent.gz | 167.5 KB | Display | PDB format |
PDBx/mmJSON format | 8hcx.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 8hcx_validation.pdf.gz | 1 MB | Display | wwPDB validaton report |
---|---|---|---|---|
Full document | 8hcx_full_validation.pdf.gz | 1 MB | Display | |
Data in XML | 8hcx_validation.xml.gz | 41.3 KB | Display | |
Data in CIF | 8hcx_validation.cif.gz | 61.5 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/hc/8hcx ftp://data.pdbj.org/pub/pdb/validation_reports/hc/8hcx | HTTPS FTP |
-Related structure data
Related structure data | 34667MC 8hbdC 8hcqC M: map data used to model this data C: citing same article (ref.) |
---|---|
Similar structure data | Similarity search - Function & homologyF&H Search |
-Links
-Assembly
Deposited unit |
|
---|---|
1 |
|
-Components
-Guanine nucleotide-binding protein ... , 3 types, 3 molecules ABG
#1: Protein | Mass: 28084.832 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Production host: Spodoptera frugiperda (fall armyworm) |
---|---|
#2: Protein | Mass: 41055.867 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: GNB1 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: P62873 |
#6: Protein | Mass: 7861.143 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: GNG2 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: P59768 |
-Protein / Protein/peptide / Antibody , 3 types, 3 molecules CDE
#3: Protein | Mass: 67882.320 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: EDNRB, ETRB / Production host: Spodoptera frugiperda (fall armyworm) References: UniProt: P24530, UniProt: Q9GV45, Oplophorus-luciferin 2-monooxygenase |
---|---|
#4: Protein/peptide | Mass: 2497.951 Da / Num. of mol.: 1 / Fragment: UNP residues 53-73 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: EDN1 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: P05305 |
#5: Antibody | Mass: 30363.043 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Mus musculus (house mouse) / Production host: Spodoptera frugiperda (fall armyworm) |
-Details
Has protein modification | Y |
---|
-Experimental details
-Experiment
Experiment | Method: ELECTRON MICROSCOPY |
---|---|
EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
-Sample preparation
Component | Name: ET1-ETAR-Gq-scFv16 complex / Type: COMPLEX / Entity ID: all / Source: MULTIPLE SOURCES | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Source (natural) |
| ||||||||||||
Source (recombinant) | Organism: Spodoptera frugiperda (fall armyworm) | ||||||||||||
Buffer solution | pH: 7.4 | ||||||||||||
Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES | ||||||||||||
Vitrification | Cryogen name: ETHANE |
-Electron microscopy imaging
Experimental equipment | Model: Titan Krios / Image courtesy: FEI Company |
---|---|
Microscopy | Model: FEI TITAN KRIOS |
Electron gun | Electron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM |
Electron lens | Mode: BRIGHT FIELD / Nominal defocus max: 1800 nm / Nominal defocus min: 800 nm |
Image recording | Electron dose: 50 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k) |
-Processing
Software | Name: PHENIX / Version: 1.20.1_4487: / Classification: refinement | ||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
3D reconstruction | Resolution: 3.5 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 373655 / Symmetry type: POINT | ||||||||||||||||||||||||
Refine LS restraints |
|