9uvy

Cryo-EM structure of Vasopressin receptor 2 (V2R)-ARK1 with tolvaptan

Method: ELECTRON MICROSCOPY Dmax: 113.5 Å Quality: GOOD

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

Vasopressin V2 receptor,ARK1

Homo sapiens

UniProt P30518

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 1–235 Chain A; UniProt 266–371 Not recorded A1IT8 (R)-Tolvaptan × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 Resolution 2.98 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.

36 other PDB entries and 37 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name V2R_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 32–266; UniProt 1–235 Author chain A; PDBConstruct 654–759; UniProt 266–371

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 9uvy

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9uvy
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9uvy
Deposition date deposition_date2025-05-11
Structure title titleCryo-EM structure of Vasopressin receptor 2 (V2R)-ARK1 with tolvaptan
Keywords keywordsGPCR, V2R, vasopressin, tolvaptan, ARK1, MEMBRANE PROTEIN; MEMBRANE PROTEIN
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier33.79
Radius of gyration Rg (electron density) rg_electron33.98
Forward intensity I(0) i0163829000.00
Molecular weight molecular_weight69027.0 kDa
Excluded volume excluded_volume67044 ų
Envelope volume envelope_volume120890 ų
Hydration-shell volume shell_volume31764 ų
Envelope diameter envelope_diameter119.4
Shell Rg shell_rg37.44
Envelope Rg envelope_rg34.24
Shape Rg shape_rg33.97
Total Rg total_rg34.21
Total atoms total_atoms5245
Residues n_residues653
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 dmax113.5
Rg (real space) rg_real34.04
Rg uncertainty (real space) rg_real_error0.94
I(0) (real space) i0_real1.6380e+08
I(0) uncertainty (real space) i0_real_error2.8470e+06
Rg (reciprocal space) rg_reciprocal33.89
I(0) (reciprocal space) i0_reciprocal163800000.0000
Solution quality estimate total_estimate0.8303
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary29.0
Skewness Skewness skewness0.496
Kurtosis Kurtosis kurtosis-0.420
Angular range angular_range— – 0.2350 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha20880000.0000
Real-space data points n_real_points48
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.808; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.664; Smooth: 0.701

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

8. Citations (1)

9. Files and Curves (10)