Biological Assembly 1  

 3D View: Structure | Electron Density | Ligand Interaction

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A1B1C1 

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

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 45.33 kDa 
• Atom Count: 3598 
• Residue Count: 380 
• Unique protein chains: 3

7KGT

Crystal Structure of HLA-A*0201 in complex with SARS-CoV-2 N226-234

• DOI: 10.2210/pdb7KGT/pdb

• Classification: IMMUNE SYSTEM
• Organism(s): Homo sapiens, Severe acute respiratory syndrome coronavirus 2
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2020-10-18 Released: 2021-01-20 
• Deposition Author(s): Szeto, C., Chatzileontiadou, D.S.M., Riboldi-Tunnicliffe, A., Gras, S.
• Funding Organization(s): National Health and Medical Research Council (NHMRC, Australia)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.205 
• R-Value Work: 0.169 
• R-Value Observed: 0.171 

Literature

Crystal Structure of HLA-A*0201 in complex with SARS-CoV-2 N226-234

Szeto, C., Chatzileontiadou, D.S.M., Nguyen, A.T., Sloane, H., Lobos, C.A., Jayasinghe, D., Halim, H., Smith, C., Riboldi-Tunnicliffe, A., Grant, E.J., Gras, S.

To be published.

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
MHC class I antigen	A	278	Homo sapiens	Mutation(s): 1  Gene Names: HLA-A
Find proteins for Q861F7 (Homo sapiens) Explore Q861F7  Go to UniProtKB:  Q861F7

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Beta-2-microglobulin	B	99	Homo sapiens	Mutation(s): 0  Gene Names: B2M, CDABP0092, HDCMA22P
Find proteins for P61769 (Homo sapiens) Explore P61769  Go to UniProtKB:  P61769
NIH Common Fund Data Resources
PHAROS:  P61769 GTEx:  ENSG00000166710

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Nucleoprotein	C	9	Severe acute respiratory syndrome coronavirus 2	Mutation(s): 0  Gene Names: N
Find proteins for P0DTC9 (Severe acute respiratory syndrome coronavirus 2) Explore P0DTC9  Go to UniProtKB:  P0DTC9

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CD	A	CADMIUM ION Cd WLZRMCYVCSSEQC-UHFFFAOYSA-N
ACT	A	ACETATE ION C2 H3 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-M
NA	A	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.205 
• R-Value Work: 0.169 
• R-Value Observed: 0.171 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 60.287	α = 90
b = 79.684	β = 90
c = 111.117	γ = 90

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

• Deposited Date: 2020-10-18 
• Released Date: 2021-01-20 
Deposition Author(s): Szeto, C., Chatzileontiadou, D.S.M., Riboldi-Tunnicliffe, A., Gras, S.

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Funding Organization	Location	Grant Number
National Health and Medical Research Council (NHMRC, Australia)	Australia	1110429
National Health and Medical Research Council (NHMRC, Australia)	Australia	1159272

Revision History 

• Version 1.0: 2021-01-20
  Type: Initial release