8u2x

Crystal Structure of NendoU (Uridylate-specific endoribonuclease, nsp15) from Betacoronavirus SARS-CoV-2 (H235A mutant)

Method: X-RAY DIFFRACTION Dmax: 114.7 Å Quality: GOOD

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

Uridylate-specific endoribonuclease nsp15

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 × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 6453–6798 Mutation:H235A TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 3 CL CHLORIDE ION × 6 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;291 K;Morpheus Fusion G4: 0.2M Sodium formate; 0.2M Ammonium acetate; 0.2M Sodium citrate tribsic dihydrate; 0.2M Potassium sodium tartrate tetrahydrate; 0.2M Sodium oxamate, 3% w/v NDSB 195, 3% w/v NDSB 201, 3% w/v NDSB 211,3% w/v NDSB 221, 3% w/v NDSB 256, 0.5M Tris (base); 0.5M BICINE pH 8.5, 40% v/v PEG 500 MME; 20 % w/v PEG 20000, BewuA.18928.a.MX152.PW39137 at 18 mg/mL. Plate 13311 well G4 drop2, Puck: PSL-0109, Cryo: Direct Resolution 2.25 Å R-free 0.213
2 Protein homooligomer Homooligomer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain B; UniProt 6453–6798 Mutation:H235A TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;291 K;Morpheus Fusion G4: 0.2M Sodium formate; 0.2M Ammonium acetate; 0.2M Sodium citrate tribsic dihydrate; 0.2M Potassium sodium tartrate tetrahydrate; 0.2M Sodium oxamate, 3% w/v NDSB 195, 3% w/v NDSB 201, 3% w/v NDSB 211,3% w/v NDSB 221, 3% w/v NDSB 256, 0.5M Tris (base); 0.5M BICINE pH 8.5, 40% v/v PEG 500 MME; 20 % w/v PEG 20000, BewuA.18928.a.MX152.PW39137 at 18 mg/mL. Plate 13311 well G4 drop2, Puck: PSL-0109, Cryo: Direct Resolution 2.25 Å R-free 0.213

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 4323 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 23–368; UniProt 6453–6798 Author chain B; PDBConstruct 23–368; UniProt 6453–6798

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 8u2x

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8u2x
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8u2x
Deposition date deposition_date2023-09-06
Structure title titleCrystal Structure of NendoU (Uridylate-specific endoribonuclease, nsp15) from Betacoronavirus SARS-CoV-2 (H235A mutant)
Keywords keywordsSSGCID, STRUCTURAL GENOMICS, SEATTLE STRUCTURAL GENOMICS CENTER FOR INFECTIOUS DISEASE, SARS-CoV-2, nsp15, LIGASE; LIGASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier32.55
Radius of gyration Rg (electron density) rg_electron32.30
Forward intensity I(0) i080647000.00
Molecular weight molecular_weight73610.0 kDa
Excluded volume excluded_volume93192 ų
Envelope volume envelope_volume123060 ų
Hydration-shell volume shell_volume33498 ų
Envelope diameter envelope_diameter122.9
Shell Rg shell_rg37.18
Envelope Rg envelope_rg31.79
Shape Rg shape_rg32.32
Total Rg total_rg32.68
Total atoms total_atoms5185
Residues n_residues657
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 dmax114.7
Rg (real space) rg_real32.73
Rg uncertainty (real space) rg_real_error1.17
I(0) (real space) i0_real8.0650e+07
I(0) uncertainty (real space) i0_real_error1.4720e+06
Rg (reciprocal space) rg_reciprocal32.65
I(0) (reciprocal space) i0_reciprocal80640000.0000
Solution quality estimate total_estimate0.8514
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary42.1
Skewness Skewness skewness0.502
Kurtosis Kurtosis kurtosis0.020
Angular range angular_range— – 0.2450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha14620000.0000
Real-space data points n_real_points50
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.753; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.926; Smooth: 0.879

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)