9VHT | pdb_00009vht

The crystal structure of PLPro

PDB DOI: https://doi.org/10.2210/pdb9VHT/pdb

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

Deposited: 2025-06-17 Released: 2026-06-24
Deposition Author(s): Xiao, Q.J.
Funding Organization(s): Not funded

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.82 Å
R-Value Free:
0.205 (Depositor)
R-Value Work:
0.179 (Depositor)
R-Value Observed:
0.180 (Depositor)

Starting Model: experimental
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wwPDB Validation

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

Literature

The crystal structure of PLPro

Xiao, Q.J.

To be published.

Macromolecule Content

Total Structure Weight: 36.03 kDa
Atom Count: 2,916
Modeled Residue Count: 314
Deposited Residue Count: 317
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Papain-like protease nsp3	A	317	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)
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 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
MLI Query on MLI Download:Ideal Coordinates CCD File SDF format, chain B [auth A] MOL2 format, chain B [auth A] mmCIF format, chain B [auth A]	B [auth A]	MALONATE ION C₃ H₂ O₄ OFOBLEOULBTSOW-UHFFFAOYSA-L		Interactions Focus chain B [auth A]
ZN Query on ZN Download:Ideal Coordinates CCD File SDF format, chain C [auth A] MOL2 format, chain C [auth A] mmCIF format, chain C [auth A]	C [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N		Interactions Focus chain C [auth A]
CL Query on CL Download:Ideal Coordinates CCD File SDF format, chain D [auth A] MOL2 format, chain D [auth A] mmCIF format, chain D [auth A]	D [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M		Interactions Focus chain D [auth A]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.82 Å
R-Value Free: 0.205 (Depositor)
R-Value Work: 0.179 (Depositor)
R-Value Observed: 0.180 (Depositor)

Space Group: P 3₂ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 81.27	α = 90
b = 81.27	β = 90
c = 135.18	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
Aimless	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction
PHASER	phasing

Structure Validation

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Entry History

& Funding Information

Deposition Data

Released Date: 2026-06-24

Deposition Author(s):

Funding Organization	Location	Grant Number
Not funded		--

Revision History (Full details and data files)

Version 1.0: 2026-06-24
Type: Initial release

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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.