8aiu

Mpro of SARS COV-2 in complex with the MG-97 inhibitor

Method: X-RAY DIFFRACTION Dmax: 81.9 Å Quality: EXCELLENT

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 AAA; UniProt 3264–3568 Chain BBB; UniProt 3264–3568 Not recorded M9X tert-butyl N-[1-[(2S)-3-cyclopropyl-1-[[(2S,3R)-4-(cyclopropylamino)-3-oxidanyl-4-oxidanylidene-1-[(3S)-2-oxidanylidenepyrrolidin-3-yl]butan-2-yl]amino]-1-oxidanylidene-propan-2-yl]-2-oxidanylidene-pyridin-3-yl]carbamate × 2 CL CHLORIDE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;293 K;0.1M Bis Tris Propane pH 6.50, 2M Sodium formate, 20% w/vPEG 3350, 10% v/vEthylene glycol Resolution 2.00 Å R-free 0.206

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 AAA; PDBConstruct 1–305; UniProt 3264–3568 Author chain BBB; 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 8aiu

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id8aiu
Deposition date deposition_date2022-07-27
Structure title titleMpro of SARS COV-2 in complex with the MG-97 inhibitor
Keywords keywordsinhibitor complex, SARS-COV-2, 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_guinier26.44
Radius of gyration Rg (electron density) rg_electron25.41
Forward intensity I(0) i077375600.00
Molecular weight molecular_weight68275.0 kDa
Excluded volume excluded_volume85143 ų
Envelope volume envelope_volume100870 ų
Hydration-shell volume shell_volume32687 ų
Envelope diameter envelope_diameter85.4
Shell Rg shell_rg33.14
Envelope Rg envelope_rg25.56
Shape Rg shape_rg25.40
Total Rg total_rg26.27
Total atoms total_atoms4784
Residues n_residues609
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 dmax81.9
Rg (real space) rg_real26.31
Rg uncertainty (real space) rg_real_error0.50
I(0) (real space) i0_real7.7380e+07
I(0) uncertainty (real space) i0_real_error1.0700e+06
Rg (reciprocal space) rg_reciprocal26.35
I(0) (reciprocal space) i0_reciprocal77380000.0000
Solution quality estimate total_estimate0.9080
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary35.5
Skewness Skewness skewness0.150
Kurtosis Kurtosis kurtosis-0.558
Angular range angular_range— – 0.3000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha38410000.0000
Real-space data points n_real_points61
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.941; Stabil: 0.998; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.982

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)