8sty

Structure of the SARS-CoV-2 main protease in complex with inhibitor MPI60

Method: X-RAY DIFFRACTION
▼

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 Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 2 benzyl (3S)-3-({(2S)-1-hydroxy-3-[(3S)-2-oxopyrrolidin-3-yl]propan-2-yl}carbamoyl)-2-azaspiro[4.4]nonane-2-carboxylate × 2 water × 2 Consistent with protein count

Other States of the Same Protein in the Database

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id8sty
Deposition date deposition_date2023-05-11
Structure title titleStructure of the SARS-CoV-2 main protease in complex with inhibitor MPI60
Keywords keywordsmain protease, VIRAL PROTEIN; VIRAL PROTEIN
Experimental Method methodX-RAY DIFFRACTION
▼

3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

8sty__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

8sty__assembly_1__model_1 | I(q)

10-2 10-1 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

8sty__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg(Guinier)26.33 Å
Rg (electron density)25.30 Å
Total Rg26.18 Å
Atom count4798
Residues612
Excluded volume85410 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 8sty__assembly_1__model_1 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (3)

▼

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id8styA01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id8styA02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology1840 — main proteinase (3clpro) structure, domain 3
Homologous superfamily homologous superfamily10 — main proteinase (3clpro) structure, domain 3
▶

7. Citations (1)