8c9u

Crystal structure of SARS-CoV-2 Mpro-Q189K mutant in complex with nirmatrelvir

Method: X-RAY DIFFRACTION Dmax: 61.3 Å Quality: REASONABLE

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

Non-structural protein 11

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 AAA; UniProt 3264–3568 Not recorded 4WI (1R,2S,5S)-N-{(1E,2S)-1-imino-3-[(3S)-2-oxopyrrolidin-3-yl]propan-2-yl}-6,6-dimethyl-3-[3-methyl-N-(trifluoroacetyl)-L-valyl]-3-azabicyclo[3.1.0]hexane-2-carboxamide × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;298 K;0.2M Sodium citrate tribasic dihydrate, 20% w/vPEG 3350 Resolution 1.75 Å R-free 0.210

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 AAA; PDBConstruct 1–305; UniProt 3264–3568

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 8c9u

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8c9u
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id8c9u
Deposition date deposition_date2023-01-23
Structure title titleCrystal structure of SARS-CoV-2 Mpro-Q189K mutant in complex with nirmatrelvir
Keywords keywordsMpro mutations main protease SARS-CoV-2, ANTIVIRAL PROTEIN; ANTIVIRAL PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier22.49
Radius of gyration Rg (electron density) rg_electron21.78
Forward intensity I(0) i020350200.00
Molecular weight molecular_weight34150.0 kDa
Excluded volume excluded_volume42618 ų
Envelope volume envelope_volume49866 ų
Hydration-shell volume shell_volume20007 ų
Envelope diameter envelope_diameter79.5
Shell Rg shell_rg27.67
Envelope Rg envelope_rg22.03
Shape Rg shape_rg21.76
Total Rg total_rg22.59
Total atoms total_atoms2393
Residues n_residues305
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 dmax61.3
Rg (real space) rg_real21.61
Rg uncertainty (real space) rg_real_error0.08
I(0) (real space) i0_real1.9510e+07
I(0) uncertainty (real space) i0_real_error1.8670e+05
Rg (reciprocal space) rg_reciprocal22.57
I(0) (reciprocal space) i0_reciprocal20350000.0000
Solution quality estimate total_estimate0.6787
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary23.2
Skewness Skewness skewness0.409
Kurtosis Kurtosis kurtosis-0.446
Angular range angular_range— – 0.3550 −1
Current regularization parameter α current_alpha3.2400
Highest regularization parameter α highest_alpha6781000.0000
Real-space data points n_real_points67
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.961; Stabil: 0.983; Sysdev: 0.000; Positv: 1.000; Valcen: 0.992; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

8. Citations (1)

9. Files and Curves (10)