7XT0

Crystal structure of RNA helicase from Saint Louis encephalitis virus and discovery of its inhibitors

• PDB DOI: https://doi.org/10.2210/pdb7XT0/pdb

• Classification: HYDROLASE
• Organism(s): St. Louis encephalitis virus
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2022-05-15 Released: 2023-11-01 
• Deposition Author(s): Wang, D.P., Jiang, F.Y., Zeng, X.Y., Zhao, R., Chen, C., Zhu, Y., Cao, J.M.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.48 Å
• R-Value Free: 0.274 
• R-Value Work: 0.203 
• R-Value Observed: 0.206 

Literature

Crystal structure of RNA helicase from Saint Louis encephalitis virus and discovery of its inhibitors

Wang, D.P.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 50.28 kDa 
• Atom Count: 3,509 
• Modelled Residue Count: 435 
• Deposited Residue Count: 444 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
RNA helicase	A	444	St. Louis encephalitis virus	Mutation(s): 0
UniProt
Find proteins for P09732 (St. louis encephalitis virus (strain MS1-7)) Explore P09732  Go to UniProtKB:  P09732

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
EDO (Subject of Investigation/LOI)	B [auth A], C [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.48 Å
• R-Value Free: 0.274 
• R-Value Work: 0.203 
• R-Value Observed: 0.206 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 51.467	α = 90
b = 80.656	β = 90
c = 104.761	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
XDS	data scaling
HKL-3000	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-11-01 
Deposition Author(s): Wang, D.P., Jiang, F.Y., Zeng, X.Y., Zhao, R., Chen, C., Zhu, Y., Cao, J.M.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	82170523

Revision History  

• Version 1.0: 2023-11-01
  Type: Initial release