7dau

The crystal structure of COVID-19 main protease treated by GA

Method: X-RAY DIFFRACTION Dmax: 81.6 Å Quality: REASONABLE

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

COVID-19 MAIN PROTEASE

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 Not recorded AU GOLD ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;295 K;200mM KF and 15% PEG 3350 Resolution 1.72 Å R-free 0.237

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 7dau

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id7dau
Deposition date deposition_date2020-10-18
Structure title titleThe crystal structure of COVID-19 main protease treated by GA
Keywords keywordsPROTEASE, 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_guinier22.37
Radius of gyration Rg (electron density) rg_electron21.77
Forward intensity I(0) i020809000.00
Molecular weight molecular_weight33637.0 kDa
Excluded volume excluded_volume41494 ų
Envelope volume envelope_volume49425 ų
Hydration-shell volume shell_volume19842 ų
Envelope diameter envelope_diameter80.2
Shell Rg shell_rg27.42
Envelope Rg envelope_rg22.02
Shape Rg shape_rg21.78
Total Rg total_rg22.45
Total atoms total_atoms2331
Residues n_residues301
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 dmax81.6
Rg (real space) rg_real22.47
Rg uncertainty (real space) rg_real_error0.78
I(0) (real space) i0_real2.0810e+07
I(0) uncertainty (real space) i0_real_error2.7950e+05
Rg (reciprocal space) rg_reciprocal22.45
I(0) (reciprocal space) i0_reciprocal20810000.0000
Solution quality estimate total_estimate0.7386
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary22.3
Skewness Skewness skewness0.487
Kurtosis Kurtosis kurtosis-0.298
Angular range angular_range— – 0.3550 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha7788000.0000
Real-space data points n_real_points67
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.603; Stabil: 0.996; Sysdev: 1.000; Positv: 1.000; Valcen: 0.800; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id7dauA01
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)