9ue7

Cryo-EM structure of SARS-CoV-2 KP.2 spike in complex with ACE2

Method: ELECTRON MICROSCOPY Dmax: 207.5 Å Quality: GOOD

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

Angiotensin-converting enzyme 2

Homo sapiens

UniProt Q9BYF1

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 heterocomplex Heteromer Protein × 6 PDB declaration: hexameric(6) Consistent with protein copy count Chain D; UniProt 1–615 Chain E; UniProt 1–615 Chain F; UniProt 1–615 Not recorded Spike glycoprotein × 3 ELECTRON MICROSCOPY cryo-EM buffer:pH 8 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.27 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.

338 other PDB entries and 388 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ACE2_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain D; PDBConstruct 1–615; UniProt 1–615 Author chain E; PDBConstruct 1–615; UniProt 1–615 Author chain F; PDBConstruct 1–615; UniProt 1–615

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 9ue7

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9ue7
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9ue7
Deposition date deposition_date2025-04-08
Structure title titleCryo-EM structure of SARS-CoV-2 KP.2 spike in complex with ACE2
Keywords keywordsSpike and ACE2 complex, Viral protein/Hydrolase, VIRAL PROTEIN-HYDROLASE complex; VIRAL PROTEIN/HYDROLASE
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier69.72
Radius of gyration Rg (electron density) rg_electron69.73
Forward intensity I(0) i04157390000.00
Molecular weight molecular_weight553060.0 kDa
Excluded volume excluded_volume694070 ų
Envelope volume envelope_volume1113100 ų
Hydration-shell volume shell_volume137800 ų
Envelope diameter envelope_diameter243.3
Shell Rg shell_rg68.76
Envelope Rg envelope_rg66.26
Shape Rg shape_rg69.76
Total Rg total_rg69.62
Total atoms total_atoms39015
Residues n_residues4905
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 dmax207.5
Rg (real space) rg_real69.57
Rg uncertainty (real space) rg_real_error1.10
I(0) (real space) i0_real4.1510e+09
I(0) uncertainty (real space) i0_real_error7.7790e+07
Rg (reciprocal space) rg_reciprocal69.41
I(0) (reciprocal space) i0_reciprocal4154000000.0000
Solution quality estimate total_estimate0.8440
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary84.9
Skewness Skewness skewness0.338
Kurtosis Kurtosis kurtosis-0.363
Angular range angular_range— – 0.1100 −1
Current regularization parameter α current_alpha0.0141
Highest regularization parameter α highest_alpha154400000.0000
Real-space data points n_real_points23
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.975; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.046

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

8. Citations (1)

9. Files and Curves (10)