7NBY

Crystal structure of SU3327 (halicin) covalently bound to the main protease (3CLpro/Mpro) of SARS-CoV-2.

PDB DOI: https://doi.org/10.2210/pdb7NBY/pdb

Classification: VIRAL PROTEIN
Organism(s): Severe acute respiratory syndrome coronavirus 2
Expression System: Escherichia coli BL21(DE3)
Mutation(s): No

Deposited: 2021-01-28 Released: 2021-03-03
Deposition Author(s): Costanzi, E., Demitri, N., Giabbai, B., Storici, P.
Funding Organization(s): European Commission

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.93 Å
R-Value Free: 0.198
R-Value Work: 0.174
R-Value Observed: 0.176

wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 1.1 of the entry. See complete history.

Literature

Crystal structure of SU3327 (halicin) covalently bound to the main protease (3CLpro/Mpro) of SARS-CoV-2.

Costanzi, E., Demitri, N., Giabbai, B., Storici, P.

To be published.

Macromolecule Content

Total Structure Weight: 69.07 kDa
Atom Count: 5,089
Modelled Residue Count: 598
Deposited Residue Count: 612
Unique protein chains: 1

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Main Protease	A, B	306	Severe acute respiratory syndrome coronavirus 2	Mutation(s): 0 Gene Names: rep, 1a-1b EC: 3.4.19.12 (PDB Primary Data), 3.4.22 (PDB Primary Data), 3.4.22.69 (PDB Primary Data), 2.7.7.48 (PDB Primary Data), 3.6.4.12 (PDB Primary Data), 3.6.4.13 (PDB Primary Data), 3.1.13 (PDB Primary Data), 3.1 (PDB Primary Data), 2.1.1 (PDB Primary Data)
UniProt
Find proteins for P0DTD1 (Severe acute respiratory syndrome coronavirus 2) Explore P0DTD1 Go to UniProtKB: P0DTD1
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P0DTD1
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 5 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
U88 (Subject of Investigation/LOI) Query on U88 Download Ideal Coordinates CCD File SDF format, chain C [auth A] SDF format, chain D [auth A] SDF format, chain E [auth A] SDF format, chain H [auth A] SDF format, chain J [auth B] SDF format, chain K [auth B] SDF format, chain L [auth B] SDF format, chain O [auth B] MOL2 format, chain C [auth A] MOL2 format, chain D [auth A] MOL2 format, chain E [auth A] MOL2 format, chain H [auth A] MOL2 format, chain J [auth B] MOL2 format, chain K [auth B] MOL2 format, chain L [auth B] MOL2 format, chain O [auth B]	C [auth A] D [auth A] E [auth A] H [auth A] J [auth B] C [auth A], D [auth A], E [auth A], H [auth A], J [auth B], K [auth B], L [auth B], O [auth B]	5-nitro-1,3-thiazole C₃ H₂ N₂ O₂ S VVVCJCRUFSIVHI-UHFFFAOYSA-N		Interactions Focus chain C [auth A] Focus chain D [auth A] Focus chain E [auth A] Focus chain H [auth A] Focus chain J [auth B] Focus chain K [auth B] Focus chain L [auth B] Focus chain O [auth B] Interactions & Density Focus chain C [auth A] Focus chain D [auth A] Focus chain E [auth A] Focus chain H [auth A] Focus chain J [auth B] Focus chain K [auth B] Focus chain L [auth B] Focus chain O [auth B]
SO4 Query on SO4 Download Ideal Coordinates CCD File SDF format, chain M [auth B] MOL2 format, chain M [auth B]	M [auth B]	SULFATE ION O₄ S QAOWNCQODCNURD-UHFFFAOYSA-L		Interactions Focus chain M [auth B] Interactions & Density Focus chain M [auth B]
NO3 Query on NO3 Download Ideal Coordinates CCD File SDF format, chain F [auth A] SDF format, chain G [auth A] SDF format, chain N [auth B] MOL2 format, chain F [auth A] MOL2 format, chain G [auth A] MOL2 format, chain N [auth B]	F [auth A], G [auth A], N [auth B]	NITRATE ION N O₃ NHNBFGGVMKEFGY-UHFFFAOYSA-N		Interactions Focus chain F [auth A] Focus chain G [auth A] Focus chain N [auth B] Interactions & Density Focus chain F [auth A] Focus chain G [auth A] Focus chain N [auth B]
CL Query on CL Download Ideal Coordinates CCD File SDF format, chain I [auth A] SDF format, chain Q [auth B] MOL2 format, chain I [auth A] MOL2 format, chain Q [auth B]	I [auth A], Q [auth B]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M		Interactions Focus chain I [auth A] Focus chain Q [auth B] Interactions & Density Focus chain I [auth A] Focus chain Q [auth B]
NA Query on NA Download Ideal Coordinates CCD File SDF format, chain P [auth B] MOL2 format, chain P [auth B]	P [auth B]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N		Interactions Focus chain P [auth B] Interactions & Density Focus chain P [auth B]