8int

Crystal Structure of SARS-CoV-2 Main Protease (Mpro) K90R Mutant

Method: X-RAY DIFFRACTION Dmax: 73.5 Å Quality: REASONABLE

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

3C-like proteinase

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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 3264–3569 Mutation:K90R No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:EVAPORATION;293 K;0.6%(1% w/v Ampicillin sodium salt, 1% w/v Apramycin sulfate salt, 1% w/v Bacitracin, 1% w/v Dihydrostreptomycin sesquisulfate, 1% w/v Gentamicin sulfate, 1% w/v Spectinomycin dihydrochloride pentahydrate), 0.1M(Tris (base); BICINE)PH8,5, 30%(40% v/v PEG 500* MME; 20 % w/v PEG 20000) Resolution 1.66 Å R-free 0.224

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 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 8int

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id8int
Deposition date deposition_date2023-03-10
Structure title titleCrystal Structure of SARS-CoV-2 Main Protease (Mpro) K90R Mutant
Keywords keywordsSARS-CoV-2, Mutant, 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_guinier22.46
Radius of gyration Rg (electron density) rg_electron21.78
Forward intensity I(0) i019405100.00
Molecular weight molecular_weight33004.0 kDa
Excluded volume excluded_volume41085 ų
Envelope volume envelope_volume48369 ų
Hydration-shell volume shell_volume19520 ų
Envelope diameter envelope_diameter76.8
Shell Rg shell_rg27.44
Envelope Rg envelope_rg21.98
Shape Rg shape_rg21.78
Total Rg total_rg22.54
Total atoms total_atoms2312
Residues n_residues300
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 dmax73.5
Rg (real space) rg_real22.57
Rg uncertainty (real space) rg_real_error0.43
I(0) (real space) i0_real1.9400e+07
I(0) uncertainty (real space) i0_real_error2.9260e+05
Rg (reciprocal space) rg_reciprocal22.55
I(0) (reciprocal space) i0_reciprocal19400000.0000
Solution quality estimate total_estimate0.6444
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary22.3
Skewness Skewness skewness0.482
Kurtosis Kurtosis kurtosis-0.366
Angular range angular_range— – 0.3550 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha7263000.0000
Real-space data points n_real_points67
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.814; Stabil: 1.000; Sysdev: 0.000; Positv: 1.000; Valcen: 0.937; Smooth: 0.993

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

8. Citations (1)

9. Files and Curves (10)