9D33 | pdb_00009d33

[Q:(Au3+):S_pH11] Metal-mediated DNA base pair in a self-assembling rhombohedral lattice

• PDB DOI: https://doi.org/10.2210/pdb9D33/pdb
• NAKB: 9D33

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


• Deposited: 2024-08-09 Released: 2025-08-13 
• Deposition Author(s): Imstepf, L., Vecchioni, S., Sha, R., Ohayon, Y.P., Woloszyn, K.
• Funding Organization(s): Office of Naval Research (ONR), Department of Energy (DOE, United States), National Science Foundation (NSF, United States)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 5.71 Å
• R-Value Free: 
  0.218 (Depositor), 0.216 (DCC) 
• R-Value Work: 
  0.170 (Depositor), 0.179 (DCC) 
• R-Value Observed: 
  0.172 (Depositor) 

Literature

Thioguanine metal base pairs

Imstepf, L., Vecchioni, S.

To be published.

Biological Assembly 1  

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: native gel electrophoresis

Macromolecule Content 

• Total Structure Weight: 13.02 kDa 
• Atom Count: 861 
• 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*AP*GP*CP*AP*GP*CP*CP*TP*GP*TP*(DQ)P*TP*GP*GP*AP*CP*AP*TP*CP*A)-3')	A	21	synthetic construct

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

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

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

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
AU (Subject of Investigation/LOI)	E [auth B]	GOLD ION Au ZBKIUFWVEIBQRT-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 5.71 Å
• R-Value Free:  0.218 (Depositor), 0.216 (DCC) 
• R-Value Work:  0.170 (Depositor), 0.179 (DCC) 
• R-Value Observed: 0.172 (Depositor) 

Space Group: H 3

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 103.821	α = 90
b = 103.821	β = 90
c = 96.334	γ = 120

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-08-13 
Deposition Author(s): Imstepf, L., Vecchioni, S., Sha, R., Ohayon, Y.P., Woloszyn, K.

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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: 2025-08-13
  Type: Initial release