8q71

Crystal structure of SARS-CoV-2 main protease (MPro) in complex with the inhibitor GC-67

Method: X-RAY DIFFRACTION Dmax: 130.8 Å Quality: GOOD

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

3C-like proteinase nsp5

Severe acute respiratory syndrome coronavirus

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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 3264–3569 Chain B; UniProt 3264–3569 Not recorded KKO (2~{S})-1-(3,4-dichlorophenyl)-4-(4-methoxypyridin-3-yl)carbonyl-~{N}-(thiophen-2-ylmethyl)piperazine-2-carboxamide × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;289 K;0.1M MES pH6.0, 20% PEG6000, 0.2M Ammonium chloride, 0.4 M GC67 Resolution 2.32 Å R-free 0.290
2 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 3264–3569 Chain D; UniProt 3264–3569 Not recorded KKO (2~{S})-1-(3,4-dichlorophenyl)-4-(4-methoxypyridin-3-yl)carbonyl-~{N}-(thiophen-2-ylmethyl)piperazine-2-carboxamide × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;289 K;0.1M MES pH6.0, 20% PEG6000, 0.2M Ammonium chloride, 0.4 M GC67 Resolution 2.32 Å R-free 0.290

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 1–306; UniProt 3264–3569 Author chain B; PDBConstruct 1–306; UniProt 3264–3569 Author chain C; PDBConstruct 1–306; UniProt 3264–3569 Author chain D; 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 8q71

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8q71
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8q71
Deposition date deposition_date2023-08-15
Structure title titleCrystal structure of SARS-CoV-2 main protease (MPro) in complex with the inhibitor GC-67
Keywords keywordsInhibitor, Complex, non-covalent, twinning, 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_guinier38.87
Radius of gyration Rg (electron density) rg_electron38.74
Forward intensity I(0) i0274785000.00
Molecular weight molecular_weight133430.0 kDa
Excluded volume excluded_volume166170 ų
Envelope volume envelope_volume216460 ų
Hydration-shell volume shell_volume47338 ų
Envelope diameter envelope_diameter129.5
Shell Rg shell_rg43.64
Envelope Rg envelope_rg38.14
Shape Rg shape_rg38.73
Total Rg total_rg39.07
Total atoms total_atoms18392
Residues n_residues1190
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 dmax130.8
Rg (real space) rg_real39.07
Rg uncertainty (real space) rg_real_error1.08
I(0) (real space) i0_real2.7480e+08
I(0) uncertainty (real space) i0_real_error4.8980e+06
Rg (reciprocal space) rg_reciprocal38.95
I(0) (reciprocal space) i0_reciprocal274800000.0000
Solution quality estimate total_estimate0.8725
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary41.5
Skewness Skewness skewness0.417
Kurtosis Kurtosis kurtosis-0.479
Angular range angular_range— – 0.2050 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha24330000.0000
Real-space data points n_real_points42
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.845; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.944; Smooth: 0.860

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

8. Citations (1)

9. Files and Curves (10)