1XA2

Cobalt hexammine induced tautomeric shift in Z-DNA: the structure of d(CGCGCA).d(TGCGCG) in two crystal forms

Structural Biology Knowledgebase: 1XA2 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.71 Å
  • R-Value Free: 0.240
  • R-Value Work: 0.208

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1XA2

Classification: DNA

Total Structure Weight: 3780.57

Macromolecule Entities
Molecule Chains Length Organism Details
5'-D(*CP*GP*CP*GP*CP*A)-3' A 6 synthetic
5'-D(*TP*GP*CP*GP*CP*G)-3' B 6 synthetic

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
NCO
Query on NCO

A COBALT HEXAMMINE(III)
Co H18 N6
DYLMFCCYOUSRTK-FGTKAUEHAT
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.71 Å
  • R-Value Free: 0.240
  • R-Value Work: 0.208
  • Space Group: P 21 21 21
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 17.98 α = 90.00
b = 30.93 β = 90.00
c = 44.63 γ = 90.00

Structure Validation

View Full Validation Report



Entry History

Deposition Data

  • Deposited Date: 2004-08-25
  • Released Date: 2004-11-16
  • Deposition author(s): Thiyagarajan, S., Rajan, S.S., Gautham, N.

Revision History

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