9PM3 | pdb_00009pm3

[21-7B G|A] 21 bp tensegrity triangle that propagates via blunt-end stacking with G stacking on A at the interface

• PDB DOI: https://doi.org/10.2210/pdb9PM3/pdb
• NAKB: 9PM3

• Classification: DNA
• Organism(s): synthetic construct
• Mutation(s): No 


• Deposited: 2025-07-16 Released: 2025-11-12 
• Deposition Author(s): Horvath, A., Woloszyn, K., Vecchioni, S., Ohayon, Y.P., Sha, R.
• Funding Organization(s): Office of Naval Research (ONR), Department of Energy (DOE, United States), National Science Foundation (NSF, United States)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 6.15 Å
• R-Value Free: 
  0.328 (Depositor), 0.331 (DCC) 
• R-Value Work: 
  0.196 (Depositor), 0.196 (DCC) 
• R-Value Observed: 
  0.203 (Depositor) 

Starting Model: experimental

Literature

Blunt-End Tensegrity Triangles

Horvath, A., Woloszyn, K., Vecchioni, S., Ohayon, Y.P., Sha, R.

To be published.

Biological Assembly 1  

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

Biological Assembly Evidence: native gel electrophoresis

Macromolecule Content 

• Total Structure Weight: 12.8 kDa 
• Atom Count: 855 
• Modeled Residue Count: 42 
• Deposited Residue Count: 42 
• Unique nucleic acid chains: 4

Macromolecules

Entity ID: 1
Molecule	Chains	Length	Organism	Image
DNA (5'-D(*GP*CP*AP*TP*GP*CP*CP*TP*GP*TP*AP*CP*GP*GP*AP*CP*AP*GP*TP*CP*A)-3')	A	21	synthetic construct

Entity ID: 2
Molecule	Chains	Length	Organism	Image
DNA (5'-D(P*CP*CP*GP*TP*AP*CP*A)-3')	B	7	synthetic construct

Entity ID: 3
Molecule	Chains	Length	Organism	Image
DNA (5'-D(P*GP*GP*CP*AP*TP*GP*C)-3')	C	7	synthetic construct

Entity ID: 4
Molecule	Chains	Length	Organism	Image
DNA (5'-D(*TP*GP*AP*CP*TP*GP*T)-3')	D	7	synthetic construct

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 6.15 Å
• R-Value Free:  0.328 (Depositor), 0.331 (DCC) 
• R-Value Work:  0.196 (Depositor), 0.196 (DCC) 
• R-Value Observed: 0.203 (Depositor) 

Space Group: I 4₁ 3 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 171.496	α = 90
b = 171.496	β = 90
c = 171.496	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
autoPROC	data reduction
STARANISO	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-11-12 
Deposition Author(s): Horvath, A., Woloszyn, K., Vecchioni, S., Ohayon, Y.P., Sha, R.

---

Funding Organization	Location	Grant Number
Office of Naval Research (ONR)	United States	N000141912596
Department of Energy (DOE, United States)	United States	DE-SC0007991
National Science Foundation (NSF, United States)	United States	CCF-2106790
National Science Foundation (NSF, United States)	United States	GCR-2317843

Revision History  

• Version 1.0: 2025-11-12
  Type: Initial release