1N1O

Crystal Structure of a B-form DNA Duplex Containing (L)-alpha-threofuranosyl (3'-2') Nucleosides: A Four-Carbon Sugar is Easily Accommodated into the Backbone of DNA

Structural Biology Knowledgebase: 1N1O SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.2 Å
  • R-Value Free: 0.200
  • R-Value Work: 0.160

Literature

Macromolecules
Sequence Display for 1N1O

Classification: DNA

Total Structure Weight: 7323.10

Macromolecule Entities
Molecule Chains Length Organism Details
5'-D(*CP*GP*CP*GP*AP*AP*(TFT)P*TP*CP*GP*CP*G)-3' A, B 12 synthetic Dickerson-Drew dodecamer duplex

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)
Modified Residues 1 Unique
ID Chains Type Formula 2D Diagram Parent
TFT
Query on TFT
A, B DNA LINKING C9 H13 N2 O8 P DT

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.2 Å
  • R-Value Free: 0.200
  • R-Value Work: 0.160
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 25.28 α = 90.00
b = 40.08 β = 90.00
c = 65.86 γ = 90.00

Structure Validation

View Full Validation Report



Entry History

Deposition Data

  • Deposited Date: 2002-10-18
  • Released Date: 2002-11-15
  • Deposition author(s): Wilds, C.J., Wawrzak, Z., Krishnamurthy, R., Eschenmoser, A., Egli, M.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4