3FQB

Barium interactions with Z-DNA

• PDB DOI: https://doi.org/10.2210/pdb3FQB/pdb
• NAKB: 3FQB

• Classification: DNA
• Mutation(s): No 


• Deposited: 2009-01-07 Released: 2009-02-10 
• Deposition Author(s): Mandal, P.K., Venkadesh, S., Vinayak, N., Gautham, N.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.67 Å
• R-Value Free: 0.223 
• R-Value Work: 0.217 
• R-Value Observed: 0.217 

Literature

Barium-DNA interactions

Mandal, P.K., Venkadesh, S., Gautham, N.

To be published.

Biological Assembly 1  

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

Macromolecule Content

• Total Structure Weight: 3.76 kDa 
• Atom Count: 290 
• Modelled Residue Count: 12 
• Deposited Residue Count: 12 
• Unique nucleic acid chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Length	Organism	Image
5'-D(*CP*AP*CP*GP*CP*G)-3'	A	6	N/A

Entity ID: 2
Molecule	Chains	Length	Organism	Image
5'-D(*CP*GP*CP*GP*TP*G)-3'	B	6	N/A

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
BA	C [auth A]	BARIUM ION Ba XDFCIPNJCBUZJN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.67 Å
• R-Value Free: 0.223 
• R-Value Work: 0.217 
• R-Value Observed: 0.217 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 17.544	α = 90
b = 30.512	β = 90
c = 44.21	γ = 90

Software Package:

Software Name	Purpose
MAR345dtb	data collection
PHASER	phasing
REFMAC	refinement
AUTOMAR	data reduction
SCALEPACK	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-02-10 
Deposition Author(s): Mandal, P.K., Venkadesh, S., Vinayak, N., Gautham, N.

Revision History  

• Version 1.0: 2009-02-10
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2024-03-20
  Changes: Data collection, Database references, Derived calculations