2GWE

Crystal structure of D(G4T4G4) with six quadruplexes in the asymmetric unit.

• PDB DOI: https://doi.org/10.2210/pdb2GWE/pdb
• NAKB: 2GWE

• Classification: DNA
• Mutation(s): No 


• Deposited: 2006-05-04 Released: 2007-06-19 
• Deposition Author(s): Lee, M.P.H., Haider, S., Parkinson, G.N., Neidle, S.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.318 
• R-Value Observed: 0.229 

Starting Model: experimental

Literature

Crystal structure of D(G4T4G4) with four and six quadruplexes in the asymmetric unit.

Lee, M.P.H., Haider, S., Parkinson, G.N., Neidle, S.

To be published.

Biological Assembly 1  

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Biological assembly 2 assigned by authors.

Biological Assembly 3  

Biological assembly 3 assigned by authors.

Biological Assembly 4  

Biological assembly 4 assigned by authors.

Biological Assembly 5  

Biological assembly 5 assigned by authors.

Biological Assembly 6  

Biological assembly 6 assigned by authors.

Macromolecule Content

• Total Structure Weight: 46.84 kDa 
• Atom Count: 3,229 
• Modelled Residue Count: 144 
• Deposited Residue Count: 144 
• Unique nucleic acid chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Length	Organism	Image
5'-D(*GP*GP*GP*GP*TP*TP*TP*TP*GP*GP*GP*G)-3'	A, B, C, D, E, F, G, H, I, J, K, L	12	N/A

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
K	AA [auth F], BA [auth G], CA [auth G], DA [auth G], EA [auth G], FA [auth H], GA [auth I], HA [auth I], IA [auth J], JA [auth J], KA [auth J], LA [auth K], M [auth A], MA [auth K], N [auth A], NA [auth K], O [auth A], OA [auth L], P [auth A], PA [auth L], Q [auth B], R [auth C], S [auth C], T [auth C], U [auth C], V [auth D], W [auth E], X [auth E], Y [auth E], Z [auth F]	POTASSIUM ION K NPYPAHLBTDXSSS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.318 
• R-Value Observed: 0.229 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 47.645	α = 90
b = 78.881	β = 90
c = 97.011	γ = 90

Software Package:

Software Name	Purpose
SHELXL-97	refinement
DENZO	data reduction
CNS	refinement
ADSC	data collection
EPMR	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-06-19 
Deposition Author(s): Lee, M.P.H., Haider, S., Parkinson, G.N., Neidle, S.

Revision History  

• Version 1.0: 2007-06-19
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2017-10-18
  Changes: Refinement description
• Version 1.4: 2019-07-24
  Changes: Data collection, Refinement description
• Version 1.5: 2019-08-14
  Changes: Data collection
• Version 1.6: 2023-08-30
  Changes: Data collection, Database references, Derived calculations, Refinement description