1DA3

THE CRYSTAL STRUCTURE OF THE TRIGONAL DECAMER C-G-A-T-C-G-6MEA-T-C-G: A B-DNA HELIX WITH 10.6 BASE-PAIRS PER TURN

Structural Biology Knowledgebase: 1DA3 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Observed: 0.172

Literature

Macromolecules
Sequence Display for 1DA3

Classification: DNA

Total Structure Weight: 6202.17

Macromolecule Entities
Molecule Chains Length Organism Details
DNA (5'-D(*CP*GP*AP*TP*CP*GP*(6MA)P*TP*CP*G)-3') A, B 10 synthetic

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

B CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MG
Query on MG

B 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
6MA
Query on 6MA
A, B DNA LINKING C11 H16 N5 O6 P A

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Observed: 0.172
  • Space Group: P 32 2 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 33.38 α = 90.00
b = 33.38 β = 90.00
c = 98.30 γ = 120.00

Structure Validation

View Full Validation Report



Entry History

Deposition Data

  • Deposited Date: 1992-11-09
  • Released Date: 1993-04-15
  • Deposition author(s): Baikalov, I., Grzeskowiak, K., Yanagi, K., Quintana, J., Dickerson, R.E.

Revision History

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