2GW0

A D(TGGGGT)- sodium and calcium complex.


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.55 Å
  • R-Value Free: 0.224 
  • R-Value Observed: 0.174 

wwPDB Validation 3D Report Full Report


This is version 1.4 of the entry. See complete history


Literature

Observation of the coexistence of sodium and calcium ions in a DNA G-quadruplex ion channel.

Lee, M.P.Parkinson, G.N.Hazel, P.Neidle, S.

(2007) J Am Chem Soc 129: 10106-10107


Macromolecules
  • Find similar nucleic acids by: Sequence   |   Structure
Entity ID: 1
MoleculeChainsLengthOrganism
5'-D(*TP*GP*GP*GP*GP*T)-3'A, B,C,D,E,F,G,H6N/A
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
CA
Query on CA

Download CCD File 
A, B, D
CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
 Ligand Interaction
NA
Query on NA

Download CCD File 
A, E, F
SODIUM ION
Na
FKNQFGJONOIPTF-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.55 Å
  • R-Value Free: 0.224 
  • R-Value Observed: 0.174 
  • Space Group: P 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 27.357α = 89.11
b = 27.911β = 75.63
c = 34.969γ = 79.7
Software Package:
Software NamePurpose
SHELXL-97refinement
CNSrefinement
DENZOdata reduction
SCALEPACKdata scaling
EPMRphasing

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2007-05-15
    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