7JX6

STRUCTURE OF THE SARS-CoV-2 ORF8 ENCODED ACCESSORY PROTEIN

• PDB DOI: https://doi.org/10.2210/pdb7JX6/pdb

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


• Deposited: 2020-08-26 Released: 2020-09-23 
• Deposition Author(s): Hall, P.D., Nelson, C.A., Fremont, D.H., Center for Structural Genomics of Infectious Diseases (CSGID)
• Funding Organization(s): National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.61 Å
• R-Value Free: 0.233 
• R-Value Work: 0.202 

Literature

Crystal Structure of the SARS-CoV-2 ORF8 Protein

Nelson, C.A., Hall, P.D., Fremont, D.H.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 24 kDa 
• Atom Count: 1,822 
• Modelled Residue Count: 192 
• Deposited Residue Count: 208 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ORF8 protein	A, B	104	Severe acute respiratory syndrome coronavirus 2	Mutation(s): 0
UniProt
Find proteins for P0DTC8 (Severe acute respiratory syndrome coronavirus 2) Explore P0DTC8  Go to UniProtKB:  P0DTC8

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NA	C [auth A], D [auth A], E [auth A], F [auth B]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.61 Å
• R-Value Free: 0.233 
• R-Value Work: 0.202 
• Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 50.647	α = 90
b = 50.647	β = 90
c = 168.065	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling
SOLVE	phasing
PDB_EXTRACT	data extraction

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2020-09-23 
Deposition Author(s): Hall, P.D., Nelson, C.A., Fremont, D.H., Center for Structural Genomics of Infectious Diseases (CSGID)

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	HHSN272201700060C

Revision History  

• Version 1.0: 2020-09-23
  Type: Initial release
  
• Version 1.1: 2024-10-30
  Changes: Data collection, Database references, Structure summary