8QH1

Crystal structure of the SARS-CoV-2 RBD from the Omicron BA4 variant with the antibody Cv2.3194

• PDB DOI: https://doi.org/10.2210/pdb8QH1/pdb

• Classification: VIRAL PROTEIN
• Organism(s): Severe acute respiratory syndrome coronavirus 2, Homo sapiens
• Expression System: Homo sapiens
• Mutation(s): No 


• Deposited: 2023-09-06 Released: 2024-06-19 
• Deposition Author(s): Fernandez, I., Rey, F.A.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.65 Å
• R-Value Free: 0.232 
• R-Value Work: 0.198 
• R-Value Observed: 0.199 

Starting Models: experimental, in silico

Literature

Pan-neutralizing antibody isolated from a COVID patient

Planchais, C., Fernandez, I., Rey, F.A., Mouquet, H.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A1B1C1 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 3-mer - A2B1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 74.92 kDa 
• Atom Count: 4,753 
• Modelled Residue Count: 619 
• Deposited Residue Count: 683 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Spike glycoprotein	A [auth E]	243	Severe acute respiratory syndrome coronavirus 2	Mutation(s): 0
UniProt
Find proteins for A0A8A5XRG7 (Severe acute respiratory syndrome coronavirus 2) Explore A0A8A5XRG7  Go to UniProtKB:  A0A8A5XRG7
Glycosylation
Glycosylation Sites: 1

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Cv2.3194 heavy chain	B [auth H]	229	Homo sapiens	Mutation(s): 0

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
IGK@ protein	C [auth L]	211	Homo sapiens	Mutation(s): 0  Gene Names: IGK@
UniProt
Find proteins for Q6PJF2 (Homo sapiens) Explore Q6PJF2  Go to UniProtKB:  Q6PJF2

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAG	D [auth E]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.65 Å
• R-Value Free: 0.232 
• R-Value Work: 0.198 
• R-Value Observed: 0.199 
• Space Group: I 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 57.793	α = 90
b = 85.348	β = 97.48
c = 193.987	γ = 90

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-06-19 
Deposition Author(s): Fernandez, I., Rey, F.A.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2024-06-19
  Type: Initial release