8d34

Crystal Structure of SARS CoV-2 NSP15 Endroribonuclease H250A

Method: X-RAY DIFFRACTION Dmax: 115.6 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 × 6 PDB declaration: hexameric(6) Consistent with protein copy count Chain A; UniProt 6453–6798 Chain B; UniProt 6453–6798 Mutation:H250A No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;0.2 M Calcium Acetate, 0.1 M Imidazole pH 8, 10% (w/v) PEG 8000 Resolution 2.91 Å R-free 0.263

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 28–373; UniProt 6453–6798 Author chain B; PDBConstruct 28–373; 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 8d34

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8d34
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8d34
Deposition date deposition_date2022-05-31
Structure title titleCrystal Structure of SARS CoV-2 NSP15 Endroribonuclease H250A
Keywords keywordsUridylate, Specific, Endoribonuclease, Mutant, SARS-CoV2, RNA BINDING PROTEIN, VIRAL PROTEIN, LYASE; RNA BINDING PROTEIN,VIRAL PROTEIN,LYASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier33.55
Radius of gyration Rg (electron density) rg_electron33.21
Forward intensity I(0) i089633400.00
Molecular weight molecular_weight77839.0 kDa
Excluded volume excluded_volume98544 ų
Envelope volume envelope_volume131390 ų
Hydration-shell volume shell_volume34914 ų
Envelope diameter envelope_diameter122.6
Shell Rg shell_rg37.68
Envelope Rg envelope_rg32.71
Shape Rg shape_rg33.23
Total Rg total_rg33.54
Total atoms total_atoms5488
Residues n_residues696
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 dmax115.6
Rg (real space) rg_real33.69
Rg uncertainty (real space) rg_real_error0.78
I(0) (real space) i0_real8.9630e+07
I(0) uncertainty (real space) i0_real_error1.3400e+06
Rg (reciprocal space) rg_reciprocal33.60
I(0) (reciprocal space) i0_reciprocal89630000.0000
Solution quality estimate total_estimate0.8487
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary113.2
Skewness Skewness skewness0.498
Kurtosis Kurtosis kurtosis-0.066
Angular range angular_range— – 0.2350 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha18250000.0000
Real-space data points n_real_points48
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.773; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.885; Smooth: 0.823

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

8. Citations (1)

9. Files and Curves (10)