1EN9

1A CRYSTAL STRUCTURES OF B-DNA REVEAL SEQUENCE-SPECIFIC BINDING AND GROOVE-SPECIFIC BENDING OF DNA BY MAGNESIUM AND CALCIUM.


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 0.99 Å
  • R-Value Free: 0.151
  • R-Value Work: 0.140

Literature

Macromolecules
Sequence Display for 1EN9

Classification: DNA

Total Structure Weight: 3191.82

Macromolecule Entities
Molecule Chains Length Organism Details
DNA (5'-D(*CP*CP*AP*GP*CP*GP*CP*TP*GP*G)-3') A 10 synthetic

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
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: 0.99 Å
  • R-Value Free: 0.151
  • R-Value Work: 0.140
  • Space Group: C 1 2 1

Unit Cell:

Length (Å) Angle (°)
a = 32.24 α = 90.00
b = 25.35 β = 117.17
c = 34.19 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2000-03-20
  • Released Date: 2000-09-25
  • Deposition author(s): Chiu, T.K., Dickerson, R.E.

Revision History

  • Version 1_0: 2000-09-25

    Type: Initial release

  • Version 1_1: 2008-04-27

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Version format compliance