8xvk

Cryo-EM structure of ETAR bound with Ambrisentan

Method: ELECTRON MICROSCOPY Dmax: 142.7 Å Quality: GOOD

1. Protein Identity and Related Structures Protein Identity & Related Structures

Endoglucanase H,Endothelin-1 receptor,Soluble cytochrome b562

Homo sapiens

UniProt P0ABE7

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain R; UniProt 23–127 Not recorded anti-BRIL Fab Heavy chain × 1 anti-Fab Nanobody × 1 anti-BRIL Fab Light chain × 1 A1D5J Ambrisentan × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.21 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

714 other PDB entries and 822 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name C562_ECOLX
Isoform
PDB entities 4
Chains and sequence ranges Author chain R; PDBConstruct 564–668; UniProt 23–127

Endoglucanase H,Endothelin-1 receptor,Soluble cytochrome b562

Homo sapiens

UniProt P16218

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain R; UniProt 26–304 Not recorded anti-BRIL Fab Heavy chain × 1 anti-Fab Nanobody × 1 anti-BRIL Fab Light chain × 1 A1D5J Ambrisentan × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.21 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

19 other PDB entries and 26 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name GUNH_ACET2
Isoform
PDB entities 4
Chains and sequence ranges Author chain R; PDBConstruct 41–319; UniProt 26–304

Endoglucanase H,Endothelin-1 receptor,Soluble cytochrome b562

Homo sapiens

UniProt P25101

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain R; UniProt 50–280 Chain R; UniProt 298–405 Not recorded anti-BRIL Fab Heavy chain × 1 anti-Fab Nanobody × 1 anti-BRIL Fab Light chain × 1 A1D5J Ambrisentan × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.21 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

4 other PDB entries and 4 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name EDNRA_HUMAN
Isoform
PDB entities 4
Chains and sequence ranges Author chain R; PDBConstruct 327–557; UniProt 50–280 Author chain R; PDBConstruct 676–783; UniProt 298–405

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 8xvk

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8xvk
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8xvk
Deposition date deposition_date2024-01-15
Structure title titleCryo-EM structure of ETAR bound with Ambrisentan
Keywords keywordsGPCR, COMPLEX, ETA, AMBRISENTAN, SIGNALING PROTEIN; SIGNALING PROTEIN
Experimental Method methodELECTRON MICROSCOPY

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier42.10
Radius of gyration Rg (electron density) rg_electron42.61
Forward intensity I(0) i0160166000.00
Molecular weight molecular_weight104890.0 kDa
Excluded volume excluded_volume132000 ų
Envelope volume envelope_volume192020 ų
Hydration-shell volume shell_volume39563 ų
Envelope diameter envelope_diameter147.5
Shell Rg shell_rg45.16
Envelope Rg envelope_rg41.20
Shape Rg shape_rg42.57
Total Rg total_rg42.89
Total atoms total_atoms7388
Residues n_residues949
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax142.7
Rg (real space) rg_real42.33
Rg uncertainty (real space) rg_real_error1.62
I(0) (real space) i0_real1.6020e+08
I(0) uncertainty (real space) i0_real_error3.2680e+06
Rg (reciprocal space) rg_reciprocal42.11
I(0) (reciprocal space) i0_reciprocal160100000.0000
Solution quality estimate total_estimate0.8520
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary37.6
Skewness Skewness skewness0.376
Kurtosis Kurtosis kurtosis-0.542
Angular range angular_range— – 0.1900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha11330000.0000
Real-space data points n_real_points39
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.870; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.853; Smooth: 0.608

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

8. Citations (1)

9. Files and Curves (10)