8di3

Polymorphism in SARS-CoV-2 Nsp5 main protease reveals differences in cleavage of viral and host substrates

Method: X-RAY DIFFRACTION Dmax: 77.8 Å Quality: GOOD

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

3C-like proteinase nsp5

Severe acute respiratory syndrome coronavirus 2

UniProt P0DTC1

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 3264–3569 Mutation:P132H No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;0.2 M Ammonium Phosphate, 0.1 M Tris, 50 % MPD Resolution 1.50 Å R-free 0.218

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.

440 other PDB entries and 508 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name R1A_SARS2
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–306; UniProt 3264–3569

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 8di3

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8di3
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8di3
Deposition date deposition_date2022-06-28
Structure title titlePolymorphism in SARS-CoV-2 Nsp5 main protease reveals differences in cleavage of viral and host substrates
Keywords keywordsviral protein, HYDROLASE-HYDROLASE INHIBITOR complex, HYDROLASE, HYDROLASE-INHIBITOR complex; VIRAL PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier22.45
Radius of gyration Rg (electron density) rg_electron21.72
Forward intensity I(0) i020343600.00
Molecular weight molecular_weight33816.0 kDa
Excluded volume excluded_volume42111 ų
Envelope volume envelope_volume50160 ų
Hydration-shell volume shell_volume20069 ų
Envelope diameter envelope_diameter78.9
Shell Rg shell_rg27.47
Envelope Rg envelope_rg22.02
Shape Rg shape_rg21.71
Total Rg total_rg22.52
Total atoms total_atoms2370
Residues n_residues306
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 dmax77.8
Rg (real space) rg_real22.54
Rg uncertainty (real space) rg_real_error0.81
I(0) (real space) i0_real2.0340e+07
I(0) uncertainty (real space) i0_real_error3.0760e+05
Rg (reciprocal space) rg_reciprocal22.52
I(0) (reciprocal space) i0_reciprocal20340000.0000
Solution quality estimate total_estimate0.7730
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary22.4
Skewness Skewness skewness0.473
Kurtosis Kurtosis kurtosis-0.327
Angular range angular_range— – 0.3550 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha8473000.0000
Real-space data points n_real_points67
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.717; Stabil: 0.998; Sysdev: 1.000; Positv: 1.000; Valcen: 0.899; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id8di3A01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id8di3A02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology1840 — main proteinase (3clpro) structure, domain 3
Homologous superfamily homologous superfamily10 — main proteinase (3clpro) structure, domain 3

8. Citations (1)

9. Files and Curves (10)