7COT

Structure of post fusion core of SARS-CoV-2 S2 subunit

• PDB DOI: https://doi.org/10.2210/pdb7COT/pdb

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


• Deposited: 2020-08-05 Released: 2021-08-18 
• Deposition Author(s): Lin, M.H., Tan, K.P., Hsu, C.H.
• Funding Organization(s): Ministry of Science and Technology (MoST, Taiwan)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.16 Å
• R-Value Free: 0.247 
• R-Value Work: 0.197 
• R-Value Observed: 0.202 

Starting Model: experimental

Literature

Crystal structure of post fusion core of SARS-CoV-2 S2 subunit

Tan, K.P., Lin, M.H., Kuo, P.C., Hsu, C.H.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Homo 3-mer - A3 

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

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Homo 3-mer - A3 

Biological assembly 2 assigned by authors and generated by PISA (software)

Biological Assembly 3  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Homo 3-mer - A3 

Biological assembly 3 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 41.6 kDa 
• Atom Count: 2,684 
• Modelled Residue Count: 341 
• Deposited Residue Count: 390 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Spike glycoprotein	A, B, C	130	Severe acute respiratory syndrome coronavirus 2	Mutation(s): 0  Gene Names: S, 2
UniProt
Find proteins for P0DTC2 (Severe acute respiratory syndrome coronavirus 2) Explore P0DTC2  Go to UniProtKB:  P0DTC2

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.16 Å
• R-Value Free: 0.247 
• R-Value Work: 0.197 
• R-Value Observed: 0.202 
• Space Group: P 3

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 51.968	α = 90
b = 51.968	β = 90
c = 116.225	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHENIX	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2021-08-18 
Deposition Author(s): Lin, M.H., Tan, K.P., Hsu, C.H.

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Funding Organization	Location	Grant Number
Ministry of Science and Technology (MoST, Taiwan)	Taiwan	108-2628-B-002-013
Ministry of Science and Technology (MoST, Taiwan)	Taiwan	108-2113-M-002-011

Revision History  

• Version 1.0: 2021-08-18
  Type: Initial release
  
• Version 1.1: 2023-11-29
  Changes: Data collection, Refinement description