9TEL | pdb_00009tel

Structure of chicken LGP2 bound to 10-mer RNA mismatched duplex that mimics the influenza B virus vRNA promoter (panhandle) and to ADP-AlF4-Mg.

• PDB DOI: https://doi.org/10.2210/pdb9TEL/pdb

• Classification: RNA BINDING PROTEIN
• Organism(s): Gallus gallus, Influenza B virus
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2025-11-25 Released: 2025-12-31 
• Deposition Author(s): Cusack, S., Uchikawa, E., Ivanov, I.
• Funding Organization(s): Other government

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.44 Å
• R-Value Free: 
  0.178 (Depositor), 0.178 (DCC) 
• R-Value Work: 
  0.148 (Depositor), 0.148 (DCC) 

Starting Model: experimental

Literature

High resolution crystal structures of duck RIG-I and chicken LGP2 bound to non-canonical duplexes mimicking the influenza virus vRNA promoter (panhandle).

Cusack, S., Ivanov, I., Uchikawa, E., Lethier, M.

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: 83.84 kDa 
• Atom Count: 7,101 
• Modeled Residue Count: 681 
• Deposited Residue Count: 693 
• Unique protein chains: 1
• Unique nucleic acid chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
RNA helicase	A	673	Gallus gallus	Mutation(s): 0  EC: 3.6.4.13
UniProt
Find proteins for G0YYQ5 (Gallus gallus) Explore G0YYQ5  Go to UniProtKB:  G0YYQ5

Entity ID: 2
Molecule	Chains	Length	Organism	Image
RNA (5'-R(*UP*GP*CP*UP*UP*CP*UP*GP*CP*U)-3')	B [auth X]	10	Influenza B virus

Entity ID: 3
Molecule	Chains	Length	Organism	Image
RNA (5'-R(P*AP*GP*UP*AP*GP*UP*AP*AP*CP*A)-3')	C [auth Y]	10	Influenza B virus

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ADP (Subject of Investigation/LOI)	E [auth A]	ADENOSINE-5'-DIPHOSPHATE C10 H15 N5 O10 P2 XTWYTFMLZFPYCI-KQYNXXCUSA-N
ALF (Subject of Investigation/LOI)	F [auth A]	TETRAFLUOROALUMINATE ION Al F4 UYOMQIYKOOHAMK-UHFFFAOYSA-J
ZN	D [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N
MG (Subject of Investigation/LOI)	G [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
CSO	A	L-PEPTIDE LINKING	C3 H7 N O3 S		CYS

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.44 Å
• R-Value Free:  0.178 (Depositor), 0.178 (DCC) 
• R-Value Work:  0.148 (Depositor), 0.148 (DCC) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 69.9	α = 90
b = 96.462	β = 90
c = 122.324	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
autoPROC	data reduction
STARANISO	data scaling
MOLREP	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-12-31 
Deposition Author(s): Cusack, S., Uchikawa, E., Ivanov, I.

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Funding Organization	Location	Grant Number
Other government	France	--

Revision History  

• Version 1.0: 2025-12-31
  Type: Initial release