8rf4

Crystal structure of N-terminal SARS-CoV-2 nsp1 in complex with fragment hit 9D4 refined against the anomalous diffraction data

Method: X-RAY DIFFRACTION Dmax: 48.9 Å Quality: GOOD

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

Host translation inhibitor nsp1

Severe acute respiratory syndrome coronavirus 2

UniProt P0DTD1

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 10–126 Not recorded EQT 4-chloranyl-1~{H}-indazol-3-amine × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;291.15 K;The crystallisation condition used is Index 71 (Cat. No.: HR2-944-71; Hampton Research, Aliso Viejo, CA, USA) containing 0.1 M BIS-TRIS pH 6.5, 0.2 M NaCl and 25% w/v Polyethylene glycol 3350. Resolution 1.11 Å R-free 0.212

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.

3350 other PDB entries and 4324 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name R1AB_SARS2
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 2–118; UniProt 10–126

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 8rf4

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8rf4
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8rf4
Deposition date deposition_date2023-12-12
最后修订 last_revision2024-06-19
Structure title titleCrystal structure of N-terminal SARS-CoV-2 nsp1 in complex with fragment hit 9D4 refined against the anomalous diffraction data
Keywords keywordsViral Protein, SARS-CoV-2, non-structural protein 1, nsp1, fragment hit, anomalous diffraction, Protein binding; PROTEIN BINDING
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier15.17
Radius of gyration Rg (electron density) rg_electron13.64
Forward intensity I(0) i03461640.00
Molecular weight molecular_weight13047.0 kDa
Excluded volume excluded_volume16413 ų
Envelope volume envelope_volume18934 ų
Hydration-shell volume shell_volume11825 ų
Envelope diameter envelope_diameter49.0
Shell Rg shell_rg19.53
Envelope Rg envelope_rg14.05
Shape Rg shape_rg13.60
Total Rg total_rg15.05
Total atoms total_atoms918
Residues n_residues118
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 dmax48.9
Rg (real space) rg_real15.07
Rg uncertainty (real space) rg_real_error0.23
I(0) (real space) i0_real3.4620e+06
I(0) uncertainty (real space) i0_real_error3.4340e+04
Rg (reciprocal space) rg_reciprocal15.08
I(0) (reciprocal space) i0_reciprocal3462000.0000
Solution quality estimate total_estimate0.8076
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary19.8
Skewness Skewness skewness0.143
Kurtosis Kurtosis kurtosis-0.304
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha830900.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.832; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.997; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

8. Citations (2)

9. Files and Curves (10)