6W37

STRUCTURE OF THE SARS-CoV-2 ORF7A ENCODED ACCESSORY PROTEIN

• PDB DOI: https://doi.org/10.2210/pdb6W37/pdb

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


• Deposited: 2020-03-09 Released: 2020-04-29 
• Deposition Author(s): Nelson, C.A., Minasov, G., Shuvalova, L., 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: 2.90 Å
• R-Value Free: 0.268 
• R-Value Work: 0.236 
• R-Value Observed: 0.255 

Starting Model: experimental

Literature

STRUCTURE OF THE SARS-CoV-2 ORF7A ENCODED ACCESSORY PROTEIN

Nelson, C.A., Minasov, G., Shuvalova, L., Fremont, D.H.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

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

Macromolecule Content

• Total Structure Weight: 7.54 kDa 
• Atom Count: 525 
• Modelled Residue Count: 66 
• Deposited Residue Count: 67 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ORF7a protein	A	67	Severe acute respiratory syndrome coronavirus 2	Mutation(s): 0  Gene Names: 7a
UniProt
Find proteins for P0DTC7 (Severe acute respiratory syndrome coronavirus 2) Explore P0DTC7  Go to UniProtKB:  P0DTC7

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.90 Å
• R-Value Free: 0.268 
• R-Value Work: 0.236 
• R-Value Observed: 0.255 
• Space Group: P 3₁ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 57.393	α = 90
b = 57.393	β = 90
c = 55.918	γ = 120

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2020-04-29 
Deposition Author(s): Nelson, C.A., Minasov, G., Shuvalova, L., 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: 2020-04-29
  Type: Initial release
  
• Version 1.1: 2020-05-06
  Changes: Database references, Source and taxonomy, Structure summary
• Version 1.2: 2020-05-20
  Changes: Database references, Structure summary
• Version 1.3: 2021-01-27
  Changes: Structure summary
• Version 1.4: 2022-01-12
  Changes: Database references, Structure summary
• Version 1.5: 2023-10-18
  Changes: Data collection, Refinement description
• Version 1.6: 2024-10-23
  Changes: Structure summary