9ux6

SARS-CoV2 Main protease(Mpro) complexed with RIP1 peptide

Method: X-RAY DIFFRACTION Dmax: 120.7 Å Quality: GOOD

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

3C-like proteinase nsp5

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 heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 3264–3569 Chain B; UniProt 3264–3569 Not recorded PRO-SER-LEU-GLN-SER-LYS-LEU-GLN × 1 PEG DI(HYDROXYETHYL)ETHER × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;293 K;PEG3350, Magnesium formate dihydrate Resolution 1.95 Å R-free 0.228
2 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain C; UniProt 3264–3569 Chain D; UniProt 3264–3569 Not recorded PRO-SER-LEU-GLN-SER-LYS-LEU-GLN × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;293 K;PEG3350, Magnesium formate dihydrate Resolution 1.95 Å R-free 0.228

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 9ux6

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9ux6
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id9ux6
Deposition date deposition_date2025-05-13
最后修订 last_revision2026-05-27
Structure title titleSARS-CoV2 Main protease(Mpro) complexed with RIP1 peptide
Keywords keywordscomplex, 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_guinier35.04
Radius of gyration Rg (electron density) rg_electron34.47
Forward intensity I(0) i0286816000.00
Molecular weight molecular_weight135350.0 kDa
Excluded volume excluded_volume168880 ų
Envelope volume envelope_volume213940 ų
Hydration-shell volume shell_volume51548 ų
Envelope diameter envelope_diameter129.2
Shell Rg shell_rg41.06
Envelope Rg envelope_rg34.24
Shape Rg shape_rg34.45
Total Rg total_rg34.99
Total atoms total_atoms9489
Residues n_residues1229
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 dmax120.7
Rg (real space) rg_real35.02
Rg uncertainty (real space) rg_real_error0.93
I(0) (real space) i0_real2.8680e+08
I(0) uncertainty (real space) i0_real_error4.3890e+06
Rg (reciprocal space) rg_reciprocal35.03
I(0) (reciprocal space) i0_reciprocal286800000.0000
Solution quality estimate total_estimate0.8671
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary42.9
Skewness Skewness skewness0.382
Kurtosis Kurtosis kurtosis-0.159
Angular range angular_range— – 0.2250 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha53700000.0000
Real-space data points n_real_points46
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.780; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.997; Smooth: 0.932

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)