25SM | pdb_000025sm

An NMR solution model of 3-CN-3-deazaguanosine modified duplex RNA

• PDB DOI: https://doi.org/10.2210/pdb25SM/pdb
• NAKB: 25SM

• Classification: RNA
• Organism(s): Homo sapiens
• Mutation(s): No 


• Deposited: 2026-04-16 Released: 2026-04-29 
• Deposition Author(s): Saneyoshi, H., Wang, S.Y., Xu, Y.
• Funding Organization(s): Japan Society for the Promotion of Science (JSPS)

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Experimental Data Snapshot

• Method: SOLUTION NMR
• Conformers Calculated: 20 
• Conformers Submitted: 10 
• Selection Criteria: structures with the lowest energy 

Literature

3-CN-3-Deazaguanosine: Synthesis and Structural Basis for RNA Stabilization

Saneyoshi, H., Wang, S.Y., Xu, Y.

To be published.

Biological Assembly 1  

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

Biological Assembly Evidence: NMR Distance Restraints

Macromolecule Content 

• Total Structure Weight: 5.14 kDa 
• Atom Count: 342 
• Modeled Residue Count: 16 
• Deposited Residue Count: 16 
• Unique nucleic acid chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Length	Organism	Image
RNA (5'-R(*GP*GP*UP*CP*(CN3)P*AP*CP*C)-3')	A [auth S], B [auth A]	8	Homo sapiens

Experimental Data & Validation

Experimental Data

• Method: SOLUTION NMR
• Conformers Calculated: 20 
• Conformers Submitted: 10 
• Selection Criteria: structures with the lowest energy 

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2026-04-29 
Deposition Author(s): Saneyoshi, H., Wang, S.Y., Xu, Y.

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Funding Organization	Location	Grant Number
Japan Society for the Promotion of Science (JSPS)	Japan	--

Revision History  

• Version 1.0: 2026-04-29
  Type: Initial release