9QT3 | pdb_00009qt3

Structure of vaccinia virus A26 (residues 1-397) in complex with Fab 8M2110

• PDB DOI: https://doi.org/10.2210/pdb9QT3/pdb

• Classification: VIRAL PROTEIN
• Organism(s): Vaccinia virus Western Reserve, Homo sapiens, Lama glama
• Expression System: Escherichia coli, Homo sapiens
• Mutation(s): No 


• Deposited: 2025-04-07 Released: 2025-11-19 
• Deposition Author(s): Guardado-Calvo, P., Battini, L.
• Funding Organization(s): Agence Nationale de la Recherche (ANR)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.90 Å
• R-Value Free: 
  0.236 (Depositor), 0.234 (DCC) 
• R-Value Work: 
  0.201 (Depositor), 0.198 (DCC) 
• R-Value Observed: 
  0.202 (Depositor) 

Starting Model: experimental

Literature

Structure of vaccinia virus A26 (residues 1-397) in complex with Fab 8M2110

Guardado-Calvo, P., Battini, L.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 4-mer - A1B1C1D1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 4-mer - A1B1C1D1 

Biological assembly 2 assigned by authors.

Biological Assembly 3  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 4-mer - A1B1C1D1 

Biological assembly 3 assigned by authors.

Biological Assembly 4  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 4-mer - A1B1C1D1 

Biological assembly 4 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 452.72 kDa 
• Atom Count: 28,702 
• Modeled Residue Count: 3,595 
• Deposited Residue Count: 4,076 
• Unique protein chains: 4

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Envelop protein OPG153	A, E, I, M	457	Vaccinia virus Western Reserve	Mutation(s): 0  Gene Names: OPG153, VACWR149, A26L
UniProt
Find proteins for P24758 (Vaccinia virus (strain Western Reserve)) Explore P24758  Go to UniProtKB:  P24758

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Heavy chain of Fab 8M2110	B, F, J, N	225	Homo sapiens	Mutation(s): 0

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Light chain of Fab 8M2110	C, G, K, O	214	Homo sapiens	Mutation(s): 0

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
Anti-Fab VHH	D, H, L, P	123	Lama glama	Mutation(s): 0

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.90 Å
• R-Value Free:  0.236 (Depositor), 0.234 (DCC) 
• R-Value Work:  0.201 (Depositor), 0.198 (DCC) 
• R-Value Observed: 0.202 (Depositor) 

Space Group: P 3₂ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 119.405	α = 90
b = 119.405	β = 90
c = 632.812	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-11-19 
Deposition Author(s): Guardado-Calvo, P., Battini, L.

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Funding Organization	Location	Grant Number
Agence Nationale de la Recherche (ANR)	France	ANR-22-CE11-0003

Revision History  

• Version 1.0: 2025-11-19
  Type: Initial release