9RHX | pdb_00009rhx

SARS-CoV-2 main protease with a bound inhibitor

PDB DOI: https://doi.org/10.2210/pdb9RHX/pdb

Classification: HYDROLASE
Organism(s): Severe acute respiratory syndrome coronavirus 2
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2025-06-10 Released: 2025-07-09
Deposition Author(s): Mac Sweeney, A.
Funding Organization(s): Not funded

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.62 Å
R-Value Free:
0.223 (Depositor), 0.223 (DCC)
R-Value Work:
0.195 (Depositor), 0.195 (DCC)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 1.0 of the entry. See complete history.

Literature

SARS-CoV-2 main protease with a bound inhibitor

Mac Sweeney, A.

To be published.

Macromolecule Content

Total Structure Weight: 68.33 kDa
Atom Count: 4,957
Modeled Residue Count: 607
Deposited Residue Count: 612
Unique protein chains: 1

Macromolecules

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
3C-like proteinase nsp5	A, B	306	Severe acute respiratory syndrome coronavirus 2	Mutation(s): 0 EC: 3.4.22.69
UniProt
Find proteins for P0DTC1 (Severe acute respiratory syndrome coronavirus 2) Explore P0DTC1 Go to UniProtKB: P0DTC1
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P0DTC1
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
A1JGE (Subject of Investigation/LOI) Query on A1JGE Download Ideal Coordinates CCD File SDF format, chain H [auth B] SDF format, chain C [auth A] MOL2 format, chain H [auth B] MOL2 format, chain C [auth A] mmCIF format, chain H [auth B] mmCIF format, chain C [auth A]	C [auth A], H [auth B]	2-pyridin-3-ylquinazoline C₁₃ H₉ N₃ KMEWEQWECBYQNW-UHFFFAOYSA-N		Interactions Focus chain C [auth A] Focus chain H [auth B] Interactions & Density Focus chain C [auth A] Focus chain H [auth B]
DMS Query on DMS Download Ideal Coordinates CCD File SDF format, chain E [auth A] SDF format, chain D [auth A] MOL2 format, chain E [auth A] MOL2 format, chain D [auth A] mmCIF format, chain E [auth A] mmCIF format, chain D [auth A]	D [auth A], E [auth A]	DIMETHYL SULFOXIDE C₂ H₆ O S IAZDPXIOMUYVGZ-UHFFFAOYSA-N		Interactions Focus chain D [auth A] Focus chain E [auth A] Interactions & Density Focus chain D [auth A] Focus chain E [auth A]
CL Query on CL Download Ideal Coordinates CCD File SDF format, chain J [auth B] MOL2 format, chain J [auth B] mmCIF format, chain J [auth B]	J [auth B]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M		Interactions Focus chain J [auth B] Interactions & Density Focus chain J [auth B]
NA Query on NA Download Ideal Coordinates CCD File SDF format, chain I [auth B] SDF format, chain G [auth A] SDF format, chain F [auth A] MOL2 format, chain I [auth B] MOL2 format, chain G [auth A] MOL2 format, chain F [auth A] mmCIF format, chain I [auth B] mmCIF format, chain G [auth A] mmCIF format, chain F [auth A]	F [auth A], G [auth A], I [auth B]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N		Interactions Focus chain F [auth A] Focus chain G [auth A] Focus chain I [auth B] Interactions & Density Focus chain F [auth A] Focus chain G [auth A] Focus chain I [auth B]