9QXZ | pdb_00009qxz

Structure of human NONO bound to (R)-SKBG-1 in p212121

• PDB DOI: https://doi.org/10.2210/pdb9QXZ/pdb

• Classification: RNA BINDING PROTEIN
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2025-04-16 Released: 2025-12-17 
• Deposition Author(s): Fribourg, S., Fribourg, S.
• Funding Organization(s): Institut National de la Sante et de la Recherche Medicale (INSERM)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 
  0.253 (Depositor), 0.256 (DCC) 
• R-Value Work: 
  0.198 (Depositor), 0.201 (DCC) 
• R-Value Observed: 
  0.201 (Depositor) 

Starting Model: experimental

Literature

Structure of human NONO bound to (R)-SKBG-1

Fribourg, S., Bure, C., Florio, A.V.

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.

Biological Assembly Evidence: equilibrium centrifugation

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Biological Assembly 3  

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

Biological assembly 3 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 179.03 kDa 
• Atom Count: 12,233 
• Modeled Residue Count: 1,475 
• Deposited Residue Count: 1,536 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Non-POU domain-containing octamer-binding protein	A, B, C, D, E, F	256	Homo sapiens	Mutation(s): 0  Gene Names: NONO, NRB54
UniProt & NIH Common Fund Data Resources
Find proteins for Q15233 (Homo sapiens) Explore Q15233  Go to UniProtKB:  Q15233
PHAROS:  Q15233 GTEx:  ENSG00000147140

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
A1JB9 (Subject of Investigation/LOI)	G [auth A], H [auth D]	4-(2-chloranylethanoyl)-~{N}-[(4-methoxyphenyl)methyl]-1-(4-methoxyphenyl)sulfonyl-piperazine-2-carboxamide C22 H26 Cl N3 O6 S SXQZEMXQTRNLRZ-HXUWFJFHSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free:  0.253 (Depositor), 0.256 (DCC) 
• R-Value Work:  0.198 (Depositor), 0.201 (DCC) 
• R-Value Observed: 0.201 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 62.258	α = 90
b = 127.098	β = 90
c = 201.445	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: 2025-12-17 
Deposition Author(s): Fribourg, S., Fribourg, S.

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Funding Organization	Location	Grant Number
Institut National de la Sante et de la Recherche Medicale (INSERM)	France	--

Revision History  

• Version 1.0: 2025-12-17
  Type: Initial release