9JO1 | pdb_00009jo1

NMR Solution structure of the 2:1 Berberine-BLM-G4 Complex

• PDB DOI: https://doi.org/10.2210/pdb9JO1/pdb

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


• Deposited: 2024-09-24 Released: 2026-04-01 
• Deposition Author(s): Wang, K.B.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: SOLUTION NMR
• Conformers Calculated: 100 
• Conformers Submitted: 10 
• Selection Criteria: structures with the lowest energy 

Literature

BLM G-quadruplex stabilizers synergize with PARP inhibitor to kill BRCA wild-type colon cancer cells

Wang, Y.Y., Bian, Y.T., Chen, X.Y., Li, J.Z., Liu, Y.S., Kong, L.Y., Wang, K.B.

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: 7.37 kDa 
• Atom Count: 497 
• Modeled Residue Count: 21 
• Deposited Residue Count: 21 
• Unique nucleic acid chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Length	Organism	Image
DNA (5'-D(*TP*GP*AP*GP*GP*GP*AP*GP*GP*GP*CP*GP*GP*GP*AP*GP*GP*GP*AP*AP*T*)-3')	A [auth X]	21	Homo sapiens

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
BER (Subject of Investigation/LOI)	B [auth X], C [auth X]	BERBERINE C20 H18 N O4 YBHILYKTIRIUTE-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: SOLUTION NMR
• Conformers Calculated: 100 
• Conformers Submitted: 10 
• Selection Criteria: structures with the lowest energy 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2026-04-01 
Deposition Author(s): Wang, K.B.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	82322065

Revision History  

• Version 1.0: 2026-04-01
  Type: Initial release