7Q3R

Crystal structure of SARS-CoV-2 RBD in complex with the neutralizing nanobodies VHH-F04 and VHH-G09

• PDB DOI: https://doi.org/10.2210/pdb7Q3R/pdb

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


• Deposited: 2021-10-28 Released: 2022-11-16 
• Deposition Author(s): Fernandez, I., Pederzoli, R., Rey, F.A.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.92 Å
• R-Value Free: 0.209 
• R-Value Work: 0.182 
• R-Value Observed: 0.183 

Starting Model: experimental

Literature

NANOBODIES AGAINST SARS-COV-2 NEUTRALIZE VARIANTS OF CONCERN AND EXPLORE CONFORMATIONAL DIFFERENCES ON THE SPIKE PROTEIN

Fernandez, I., Rey, F.A.

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.

Macromolecule Content

• Total Structure Weight: 53.12 kDa 
• Atom Count: 3,702 
• Modelled Residue Count: 441 
• Deposited Residue Count: 475 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Spike glycoprotein	A	198	Severe acute respiratory syndrome coronavirus 2	Mutation(s): 0
UniProt
Find proteins for P0DTC2 (Severe acute respiratory syndrome coronavirus 2) Explore P0DTC2  Go to UniProtKB:  P0DTC2
Glycosylation
Glycosylation Sites: 1		Go to GlyGen: P0DTC2-1

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
VHH-F04	B [auth F]	142	Vicugna pacos	Mutation(s): 0

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
VHH-G09	C [auth G]	135	Vicugna pacos	Mutation(s): 0

Oligosaccharides

Help

Entity ID: 4
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	D [auth B]	2		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G42666HT GlyCosmos:  G42666HT GlyGen:  G42666HT

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CL	E [auth A], F [auth A], G [auth A], H [auth F], I [auth F]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.92 Å
• R-Value Free: 0.209 
• R-Value Work: 0.182 
• R-Value Observed: 0.183 
• Space Group: P 6₃

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 180.578	α = 90
b = 180.578	β = 90
c = 48.025	γ = 120

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-11-16 
Deposition Author(s): Fernandez, I., Pederzoli, R., Rey, F.A.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2022-11-16
  Type: Initial release
  
• Version 1.1: 2024-01-31
  Changes: Data collection, Refinement description
• Version 1.2: 2024-10-23
  Changes: Structure summary