428D

STRUCTURE OF THE POTASSIUM FORM OF CGCGAATTCGCG: DNA DEFORMATION BY ELECTROSTATIC COLLAPSE AROUND SMALL CATIONS


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.75 Å
  • R-Value Free: 0.282
  • R-Value Work: 0.218

Literature

Macromolecules
Sequence Display for 428D

Classification: DNA

Total Structure Weight: 7553.43

Macromolecule Entities
Molecule Chains Length Organism Details
DNA (5'-D(*CP*GP*CP*GP*AP*AP*TP*TP*CP*GP*CP*G)-3') A, B 12 synthetic

Small Molecules
Ligands 2 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
SPM
Query on SPM

B SPERMINE
C10 H26 N4
PFNFFQXMRSDOHW-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MG
Query on MG

A MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.75 Å
  • R-Value Free: 0.282
  • R-Value Work: 0.218
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 25.30 α = 90.00
b = 40.24 β = 90.00
c = 65.94 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1998-09-28
  • Released Date: 1998-10-09
  • Deposition author(s): Shui, X., Sines, C.C., McFail-Isom, L., VanDerveer, D., Williams, L.D.

Revision History

  • Version 1_0: 1998-10-09

    Type: Initial release

  • Version 1_1: 2008-05-22

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Version format compliance