9qra

SARS-CoV-2 nsp14 with 1-(4-methylphenyl)-2-(2-methylsulfanyl-4,5-dihydroimidazol-1-yl)ethanone

Method: X-RAY DIFFRACTION Dmax: 86.9 Å Quality: GOOD

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

Guanine-N7 methyltransferase nsp14

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 5932–6452 Not recorded A1I9H 1-(4-methylphenyl)-2-(2-methylsulfanylimidazol-1-yl)ethanone × 1 DMS DIMETHYL SULFOXIDE × 5 ZN ZINC ION × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;291.15 K;1.26 M sodium phosphate monobasic, 0.14 M potassium phosphate dibasic Resolution 2.29 Å R-free 0.249

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 3–523; UniProt 5932–6452

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 9qra

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id9qra
Deposition date deposition_date2025-04-03
最后修订 last_revision2026-04-29
Structure title titleSARS-CoV-2 nsp14 with 1-(4-methylphenyl)-2-(2-methylsulfanyl-4,5-dihydroimidazol-1-yl)ethanone
Keywords keywordsSARS-CoV-2, nsp14, Fragment screening, 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_guinier26.93
Radius of gyration Rg (electron density) rg_electron26.55
Forward intensity I(0) i079462600.00
Molecular weight molecular_weight47131.0 kDa
Excluded volume excluded_volume45756 ų
Envelope volume envelope_volume77381 ų
Hydration-shell volume shell_volume25417 ų
Envelope diameter envelope_diameter89.8
Shell Rg shell_rg32.70
Envelope Rg envelope_rg26.64
Shape Rg shape_rg26.53
Total Rg total_rg27.09
Total atoms total_atoms3537
Residues n_residues446
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 dmax86.9
Rg (real space) rg_real27.08
Rg uncertainty (real space) rg_real_error0.67
I(0) (real space) i0_real7.9460e+07
I(0) uncertainty (real space) i0_real_error1.1690e+06
Rg (reciprocal space) rg_reciprocal27.04
I(0) (reciprocal space) i0_reciprocal79460000.0000
Solution quality estimate total_estimate0.8705
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary26.5
Skewness Skewness skewness0.428
Kurtosis Kurtosis kurtosis-0.533
Angular range angular_range— – 0.2950 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha7205000.0000
Real-space data points n_real_points60
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.853; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.861; Smooth: 0.893

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

8. Citations (1)

9. Files and Curves (10)