7k1l

Crystal Structure of NSP15 Endoribonuclease from SARS CoV-2 in the Complex with Uridine-2',3'-Vanadate

Method: X-RAY DIFFRACTION Dmax: 116.1 Å Quality: GOOD

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

Uridylate-specific endoribonuclease

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 Not recorded UVC URIDINE-2',3'-VANADATE × 6 ACT ACETATE ION × 6 EDO 1,2-ETHANEDIOL × 3 SO4 SULFATE ION × 6 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;289 K;16 % w/v Polyethylene glycol 4,000, 100 mM TRIS; pH 8.5, 200 mM Sodium acetate Resolution 2.25 Å R-free 0.192

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 25–370; UniProt 6453–6798 Author chain B; PDBConstruct 25–370; 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 7k1l

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7k1l
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7k1l
Deposition date deposition_date2020-09-07
Structure title titleCrystal Structure of NSP15 Endoribonuclease from SARS CoV-2 in the Complex with Uridine-2',3'-Vanadate
Keywords keywords;SARS Corona virus 2, endoribonuclease, COVID-19, Structural Genomics, Center for Structural Genomics of Infectious Diseases, CSGID, 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_guinier33.69
Radius of gyration Rg (electron density) rg_electron33.38
Forward intensity I(0) i093558800.00
Molecular weight molecular_weight78818.0 kDa
Excluded volume excluded_volume99416 ų
Envelope volume envelope_volume131930 ų
Hydration-shell volume shell_volume34987 ų
Envelope diameter envelope_diameter123.4
Shell Rg shell_rg37.76
Envelope Rg envelope_rg32.72
Shape Rg shape_rg33.40
Total Rg total_rg33.68
Total atoms total_atoms5547
Residues n_residues694
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 dmax116.1
Rg (real space) rg_real33.84
Rg uncertainty (real space) rg_real_error1.01
I(0) (real space) i0_real9.3560e+07
I(0) uncertainty (real space) i0_real_error1.5990e+06
Rg (reciprocal space) rg_reciprocal33.74
I(0) (reciprocal space) i0_reciprocal93550000.0000
Solution quality estimate total_estimate0.8495
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary42.0
Skewness Skewness skewness0.492
Kurtosis Kurtosis kurtosis-0.092
Angular range angular_range— – 0.2350 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha18280000.0000
Real-space data points n_real_points48
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.772; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.881; Smooth: 0.842

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (6 domains)

Domain ID domain_idd7k1la1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.66 — S-adenosyl-L-methionine-dependent methyltransferases
Superfamily Superfamily superfamilyc.66.1 — S-adenosyl-L-methionine-dependent methyltransferases
Family Family familyc.66.1.48 — Nsp15 N-terminal domain-like
Domain ID domain_idd7k1la2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.294 — EndoU-like
Superfamily Superfamily superfamilyd.294.1 — EndoU-like
Family Family familyd.294.1.0 — automated matches
Domain ID domain_idd7k1la3
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd7k1lb1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.66 — S-adenosyl-L-methionine-dependent methyltransferases
Superfamily Superfamily superfamilyc.66.1 — S-adenosyl-L-methionine-dependent methyltransferases
Family Family familyc.66.1.48 — Nsp15 N-terminal domain-like
Domain ID domain_idd7k1lb2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.294 — EndoU-like
Superfamily Superfamily superfamilyd.294.1 — EndoU-like
Family Family familyd.294.1.0 — automated matches
Domain ID domain_idd7k1lb3
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

8. Citations (1)

9. Files and Curves (10)