8XK6

S2A5 Fab bound to SFTSV glycoprotein Gn

• PDB DOI: https://doi.org/10.2210/pdb8XK6/pdb

• Classification: VIRAL PROTEIN
• Organism(s): Severe fever with thrombocytopenia syndrome virus, Mus musculus
• Expression System: Trichoplusia ni, Homo sapiens
• Mutation(s): No 


• Deposited: 2023-12-22 Released: 2024-07-10 
• Deposition Author(s): Deng, Z.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.45 Å
• R-Value Free: 0.250 
• R-Value Work: 0.231 
• R-Value Observed: 0.232 

Starting Model: in silico

Literature

A broadly protective antibody targeting the glycoprotein Gn inhibits severe fever with thrombocytopenia syndrome virus infection.

Ren, X., Sun, J., Kuang, W., Yu, F., Wang, B., Wang, Y., Deng, W., Yang, S., Hu, Y., Deng, Z., Ning, Y., Zhao, 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.

Macromolecule Content

• Total Structure Weight: 92.22 kDa 
• Atom Count: 4,333 
• Modelled Residue Count: 544 
• Deposited Residue Count: 845 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Envelopment polyprotein	A	357	Severe fever with thrombocytopenia syndrome virus	Mutation(s): 0
UniProt
Find proteins for R4V2Q5 (Dabie bandavirus) Explore R4V2Q5  Go to UniProtKB:  R4V2Q5

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
mAb S2A5 Fab heavy chain	B [auth H]	251	Mus musculus	Mutation(s): 0  Gene Names: Fab heavy chain

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
mAb S2A5 Fab light chain	C [auth L]	237	Mus musculus	Mutation(s): 0  Gene Names: Fab light chain

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.45 Å
• R-Value Free: 0.250 
• R-Value Work: 0.231 
• R-Value Observed: 0.232 
• Space Group: P 6₃ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 158.02	α = 90
b = 158.02	β = 90
c = 190.45	γ = 120

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-07-10 
Deposition Author(s): Deng, Z.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2024-07-10
  Type: Initial release
  
• Version 1.1: 2024-07-24
  Changes: Database references