1VTB

THE HEXAGONAL CRYSTAL STRUCTURE OF THE A-DNA OCTAMER D(GTGTACAC) AND ITS COMPARISON WITH THE TETRAGONAL STRUCTURE CORRELATED VARIATIONS IN HELICAL PARAMETERS

• PDB DOI: https://doi.org/10.2210/pdb1VTB/pdb
• NAKB: 1VTB

• Classification: DNA
• Mutation(s): No 


• Deposited: 1991-05-28 Released: 2011-07-13 
• Deposition Author(s): Jain, S.C., Zon, G., Sundaralingam, M.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Observed: 0.127 

Literature

The Hexagonal Crystal Structure of the A-DNA Octamer d(GTGTACAC) and Its Comparison with the Tetragonal Structure Correlated Variations in Helical Parameters

Jain, S.C., Zon, G., Sundaralingam, M.

(1991) Biochemistry 30: 3567-3576

Biological Assembly 1  

Biological assembly 1 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 2.43 kDa 
• Atom Count: 211 
• Modelled Residue Count: 8 
• Deposited Residue Count: 8 
• Unique nucleic acid chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Length	Organism	Image
DNA (5'-D(*GP*TP*GP*TP*AP*CP*AP*C)-3')	A	8	N/A

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Observed: 0.127 
• Space Group: P 6₁ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 32.4	α = 90
b = 32.4	β = 90
c = 79.25	γ = 120

Software Package:

Software Name	Purpose
NUCLSQ	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-07-13 
Deposition Author(s): Jain, S.C., Zon, G., Sundaralingam, M.

Revision History  

• Version 1.0: 2011-07-13
  Type: Initial release
  
• Version 1.1: 2023-12-27
  Changes: Data collection, Database references