8iqj

Crystal structure of SARS-CoV2 N-NTD

Method: X-RAY DIFFRACTION Dmax: 90.1 Å Quality: GOOD

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

Nucleoprotein

Severe acute respiratory syndrome coronavirus 2

UniProt P0DTC9

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 41–174 Fragment:N-terminal domain No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7;293.15 K;0.005 M Spermine tetrahydrochloride, 0.05 M Potassium Chloride, 0.05 M Bis-Tris HCl pH 7.0, 31 % PEG 3350 Resolution 2.30 Å R-free 0.289
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 41–174 Fragment:N-terminal domain No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7;293.15 K;0.005 M Spermine tetrahydrochloride, 0.05 M Potassium Chloride, 0.05 M Bis-Tris HCl pH 7.0, 31 % PEG 3350 Resolution 2.30 Å R-free 0.289
3 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 41–174 Fragment:N-terminal domain No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7;293.15 K;0.005 M Spermine tetrahydrochloride, 0.05 M Potassium Chloride, 0.05 M Bis-Tris HCl pH 7.0, 31 % PEG 3350 Resolution 2.30 Å R-free 0.289
4 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain D; UniProt 41–174 Fragment:N-terminal domain No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7;293.15 K;0.005 M Spermine tetrahydrochloride, 0.05 M Potassium Chloride, 0.05 M Bis-Tris HCl pH 7.0, 31 % PEG 3350 Resolution 2.30 Å R-free 0.289

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.

96 other PDB entries and 218 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NCAP_SARS2
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 22–155; UniProt 41–174 Author chain B; PDBConstruct 22–155; UniProt 41–174 Author chain C; PDBConstruct 22–155; UniProt 41–174 Author chain D; PDBConstruct 22–155; UniProt 41–174

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 8iqj

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id8iqj
Deposition date deposition_date2023-03-16
Structure title titleCrystal structure of SARS-CoV2 N-NTD
Keywords keywordsnucleocapsid protein, VIRAL PROTEIN; VIRAL PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier27.07
Radius of gyration Rg (electron density) rg_electron26.03
Forward intensity I(0) i054054800.00
Molecular weight molecular_weight56009.0 kDa
Excluded volume excluded_volume69769 ų
Envelope volume envelope_volume94298 ų
Hydration-shell volume shell_volume30455 ų
Envelope diameter envelope_diameter93.1
Shell Rg shell_rg33.04
Envelope Rg envelope_rg26.05
Shape Rg shape_rg25.98
Total Rg total_rg27.02
Total atoms total_atoms3969
Residues n_residues509
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 dmax90.1
Rg (real space) rg_real26.98
Rg uncertainty (real space) rg_real_error0.60
I(0) (real space) i0_real5.4050e+07
I(0) uncertainty (real space) i0_real_error7.6760e+05
Rg (reciprocal space) rg_reciprocal27.01
I(0) (reciprocal space) i0_reciprocal54060000.0000
Solution quality estimate total_estimate0.8857
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary35.1
Skewness Skewness skewness0.249
Kurtosis Kurtosis kurtosis-0.317
Angular range angular_range— – 0.2950 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha11700000.0000
Real-space data points n_real_points60
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.846; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.993; Smooth: 0.979

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

8. Citations (1)

9. Files and Curves (10)