7BAI

Structure of RIG-I CTD (I875A) bound to p-RNA

• PDB DOI: https://doi.org/10.2210/pdb7BAI/pdb
• NAKB: 7BAI

• Classification: IMMUNE SYSTEM
• Organism(s): Homo sapiens, synthetic construct
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2020-12-15 Released: 2022-01-12 
• Deposition Author(s): Anand, K., Hagelueken, G., Fusshoeller, D., Geyer, M.
• Funding Organization(s): German Research Foundation (DFG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.40 Å
• R-Value Free: 0.273 
• R-Value Work: 0.218 
• R-Value Observed: 0.224 

Literature

A conserved isoleucine in the RNA sensor RIG-I controls immune tolerance to mitochondrial RNA

de Regt, A.K., Anand, K., Gatterdam, K., Hagelueken, G., Hartmann, G., Geyer, M., Schlee, M.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 56.48 kDa 
• Atom Count: 3,727 
• Modelled Residue Count: 396 
• Deposited Residue Count: 417 
• Unique protein chains: 1
• Unique nucleic acid chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Antiviral innate immune response receptor RIG-I	A, B, E	127	Homo sapiens	Mutation(s): 0  Gene Names: DDX58 EC: 3.6.4.13
UniProt & NIH Common Fund Data Resources
Find proteins for O95786 (Homo sapiens) Explore O95786  Go to UniProtKB:  O95786
PHAROS:  O95786 GTEx:  ENSG00000107201

Entity ID: 2
Molecule	Chains	Length	Organism	Image
RNA (5'-R(*(GDP)P*AP*CP*GP*CP*UP*AP*GP*CP*GP*UP*C)-3')	C, D, F [auth V]	12	synthetic construct

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN	G [auth A], H [auth B], I [auth E], J [auth E], K [auth V]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.40 Å
• R-Value Free: 0.273 
• R-Value Work: 0.218 
• R-Value Observed: 0.224 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 84.523	α = 90
b = 135.126	β = 90
c = 110.374	γ = 90

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-01-12 
Deposition Author(s): Anand, K., Hagelueken, G., Fusshoeller, D., Geyer, M.

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Funding Organization	Location	Grant Number
German Research Foundation (DFG)	Germany	EXC2151-390873048

Revision History  

• Version 1.0: 2022-01-12
  Type: Initial release
  
• Version 1.1: 2024-01-31
  Changes: Data collection, Refinement description