8ZPQ | pdb_00008zpq

Crystal structure of SARS-Cov-2-BQ1.1-RBD and 70fab

• PDB DOI: https://doi.org/10.2210/pdb8ZPQ/pdb

• Classification: VIRAL PROTEIN/IMMUNE SYSTEM
• Organism(s): Homo sapiens, Severe acute respiratory syndrome coronavirus 2
• Expression System: Homo sapiens
• Mutation(s): Yes 


• Deposited: 2024-05-31 Released: 2025-06-11 
• Deposition Author(s): Wu, Y., Gao, F.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.75 Å
• R-Value Free: 
  0.281 (Depositor), 0.278 (DCC) 
• R-Value Work: 
  0.234 (Depositor), 0.232 (DCC) 
• R-Value Observed: 
  0.236 (Depositor) 

Starting Model: in silico

Literature

Crystal structure of SARS-Cov-2-BQ1.1-RBD and 70fab

Wu, Y., Gao, F.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 144.85 kDa 
• Atom Count: 9,519 
• Modeled Residue Count: 1,246 
• Deposited Residue Count: 1,334 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
70fab-H	A [auth H], E [auth A]	228	Homo sapiens	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
70fab-L	B [auth L], F [auth B]	216	Homo sapiens	Mutation(s): 0

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Spike protein S1	C [auth E], D [auth F]	223	Severe acute respiratory syndrome coronavirus 2	Mutation(s): 19  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: 2.75 Å
• R-Value Free:  0.281 (Depositor), 0.278 (DCC) 
• R-Value Work:  0.234 (Depositor), 0.232 (DCC) 
• R-Value Observed: 0.236 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 69.886	α = 90
b = 93.251	β = 90
c = 257.49	γ = 90

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-06-11 
Deposition Author(s): Wu, Y., Gao, F.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	82022042

Revision History  

• Version 1.0: 2025-06-11
  Type: Initial release