8a23

Crystal structure of SARS-CoV-2 nsp10/nsp16 methyltransferase in complex with TO383

Method: X-RAY DIFFRACTION Dmax: 74.9 Å Quality: GOOD

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

;2'-O-methyltransferase nsp16 ;

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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 6799–7096 Chain B; UniProt 4263–4384 Not recorded KW6 (2R,3R,4S,5R)-2-[4-azanyl-5-(2-quinolin-3-ylethynyl)pyrrolo[2,3-d]pyrimidin-7-yl]-5-(hydroxymethyl)oxolane-3,4-diol × 1 GOL GLYCEROL × 1 ZN ZINC ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;291 K;0.2 M ammonium sulfate, 0.1 M sodium acetate pH 5.5, 10 % w/v PEG 2000 MME Resolution 2.80 Å R-free 0.256

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, 2
Chains and sequence ranges Author chain A; PDBConstruct 2–299; UniProt 6799–7096 Author chain B; PDBConstruct 2–123; UniProt 4263–4384

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 8a23

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8a23
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8a23
Deposition date deposition_date2022-06-02
Structure title titleCrystal structure of SARS-CoV-2 nsp10/nsp16 methyltransferase in complex with TO383
Keywords keywordsviral, methyltransferase, inhibitor, 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_guinier23.04
Radius of gyration Rg (electron density) rg_electron21.89
Forward intensity I(0) i034559500.00
Molecular weight molecular_weight44411.0 kDa
Excluded volume excluded_volume55174 ų
Envelope volume envelope_volume65636 ų
Hydration-shell volume shell_volume24907 ų
Envelope diameter envelope_diameter77.7
Shell Rg shell_rg28.99
Envelope Rg envelope_rg22.27
Shape Rg shape_rg21.83
Total Rg total_rg22.91
Total atoms total_atoms3102
Residues n_residues401
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 dmax74.9
Rg (real space) rg_real22.98
Rg uncertainty (real space) rg_real_error0.48
I(0) (real space) i0_real3.4560e+07
I(0) uncertainty (real space) i0_real_error4.8220e+05
Rg (reciprocal space) rg_reciprocal22.99
I(0) (reciprocal space) i0_reciprocal34560000.0000
Solution quality estimate total_estimate0.8943
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary27.6
Skewness Skewness skewness0.288
Kurtosis Kurtosis kurtosis-0.327
Angular range angular_range— – 0.3450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha6232000.0000
Real-space data points n_real_points66
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.878; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.987

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

8. Citations (1)

9. Files and Curves (10)