7MB1 | pdb_00007mb1

SARS-CoV-2 Main Protease (Mpro) in Complex with Covalent Inhibitor SM143

PDB DOI: https://doi.org/10.2210/pdb7MB1/pdb

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

Deposited: 2021-03-31 Released: 2022-10-12
Deposition Author(s): Lockbaum, G.J., Schiffer, C.A.
Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.43 Å
R-Value Free:
0.214 (Depositor), 0.216 (DCC)
R-Value Work:
0.188 (Depositor), 0.188 (DCC)
R-Value Observed:
0.188 (Depositor)

Starting Model: experimental
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Ligand Structure Quality Assessment

This is version 1.2 of the entry. See complete history.

Literature

SARS-CoV-2 Main Protease (Mpro) in Complex with Covalent Inhibitor SM143

Lockbaum, G.J., Schiffer, C.A.

To be published.

Macromolecule Content

Total Structure Weight: 68.73 kDa
Atom Count: 5,185
Modeled Residue Count: 608
Deposited Residue Count: 612
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
3C-like proteinase	A, B	306	Severe acute respiratory syndrome coronavirus 2	Mutation(s): 0 Gene Names: rep, 1a-1b EC: 3.4.22.69
UniProt
Find proteins for P0DTD1 (Severe acute respiratory syndrome coronavirus 2) Explore P0DTD1 Go to UniProtKB: P0DTD1
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P0DTD1
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
YVJ (Subject of Investigation/LOI) Query on YVJ Download:Ideal Coordinates CCD File SDF format, chain D [auth B] SDF format, chain C [auth A] MOL2 format, chain D [auth B] MOL2 format, chain C [auth A] mmCIF format, chain D [auth B] mmCIF format, chain C [auth A]	C [auth A], D [auth B]	4-fluoro-D-phenylalanyl-N-{(2R)-5-ethoxy-5-oxo-1-[(3S)-2-oxopyrrolidin-3-yl]pentan-2-yl}-L-phenylalaninamide C₂₉ H₃₇ F N₄ O₅ NURFMZSCLLICCV-QVQNZMNRSA-N		Interactions Focus chain C [auth A] Focus chain D [auth B] Interactions & Density Focus chain C [auth A] Focus chain D [auth B]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.43 Å
R-Value Free: 0.214 (Depositor), 0.216 (DCC)
R-Value Work: 0.188 (Depositor), 0.188 (DCC)
R-Value Observed: 0.188 (Depositor)

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 47.874	α = 90
b = 104.874	β = 104.12
c = 52.462	γ = 90

Software Package:

Software Name	Purpose
XSCALE	data scaling
PHASER	phasing
PHENIX	refinement
Coot	model building
PDB_EXTRACT	data extraction

Structure Validation

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Ligand Structure Quality Assessment

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Entry History

& Funding Information

Deposition Data

Released Date: 2022-10-12

Deposition Author(s):

Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	P01-GM109767

Revision History (Full details and data files)

Version 1.0: 2022-10-12
Type: Initial release
Version 1.1: 2023-10-18
Changes: Data collection, Refinement description
Version 1.2: 2024-10-16
Changes: Structure summary

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.