7ZLQ

Crystal structure of ADAR1-dsRBD3 dimer in complex with dsRNA

• PDB DOI: https://doi.org/10.2210/pdb7ZLQ/pdb
• NAKB: 7ZLQ

• Classification: RNA BINDING PROTEIN
• Organism(s): Homo sapiens, synthetic construct
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2022-04-15 Released: 2023-10-25 
• Deposition Author(s): Mboukou, A., Barraud, P.
• Funding Organization(s): Agence Nationale de la Recherche (ANR)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.80 Å
• R-Value Free: 0.266 
• R-Value Work: 0.231 
• R-Value Observed: 0.235 

Literature

Dimerization of ADAR1 modulates site-specificity of RNA editing

Mboukou, A., Rajendra, V., Messmer, S., Mandl, T.C., Catala, M., Tisne, C., Jantsch, M.F., Barraud, P.

(2024) Nat Commun 15: 10051

• DOI: https://doi.org/10.1038/s41467-024-53777-2

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 30.9 kDa 
• Atom Count: 2,079 
• Modelled Residue Count: 203 
• Deposited Residue Count: 211 
• Unique protein chains: 1
• Unique nucleic acid chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Double-stranded RNA-specific adenosine deaminase	A, B	86	Homo sapiens	Mutation(s): 0  Gene Names: ADAR, ADAR1, DSRAD, G1P1, IFI4 EC: 3.5.4.37
UniProt & NIH Common Fund Data Resources
Find proteins for P55265 (Homo sapiens) Explore P55265  Go to UniProtKB:  P55265
PHAROS:  P55265 GTEx:  ENSG00000160710

Entity ID: 2
Molecule	Chains	Length	Organism	Image
RNA (5'-R(*CP*GP*AP*AP*GP*CP*CP*UP*UP*CP*GP*CP*G)-3')	C, D, E	13	synthetic construct

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.80 Å
• R-Value Free: 0.266 
• R-Value Work: 0.231 
• R-Value Observed: 0.235 
• Space Group: P 6₁ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 91.294	α = 90
b = 91.294	β = 90
c = 207.527	γ = 120

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-10-25 
Deposition Author(s): Mboukou, A., Barraud, P.

---

Funding Organization	Location	Grant Number
Agence Nationale de la Recherche (ANR)	France	ANR-16-CE91-0003

Revision History  

• Version 1.0: 2023-10-25
  Type: Initial release
  
• Version 1.1: 2023-12-13
  Changes: Database references, Structure summary
• Version 1.2: 2024-11-27
  Changes: Database references, Structure summary