7BAH

Structure of RIG-I CTD bound to OH-RNA

• PDB DOI: https://doi.org/10.2210/pdb7BAH/pdb
• NAKB: 7BAH

• 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)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.89 Å
• R-Value Free: 0.224 
• R-Value Work: 0.195 
• R-Value Observed: 0.197 

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)

Macromolecule Content

• Total Structure Weight: 37.41 kDa 
• Atom Count: 2,747 
• Modelled Residue Count: 267 
• Deposited Residue Count: 278 
• 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	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(*GP*AP*CP*GP*CP*UP*AP*GP*CP*GP*UP*C)-3')	C, D	12	synthetic construct

Small Molecules

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.89 Å
• R-Value Free: 0.224 
• R-Value Work: 0.195 
• R-Value Observed: 0.197 
• Space Group: P 6₅

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 81.92	α = 90
b = 81.92	β = 90
c = 111.87	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
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.

---

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