2WNA | pdb_00002wna

Crystal structure of the GNA 3'-G(Br)CGCGC-2'

• PDB DOI: https://doi.org/10.2210/pdb2WNA/pdb
• NAKB: 2WNA

• Classification: RNA
• Organism(s): Homo sapiens
• Mutation(s): No 


• Deposited: 2009-07-07 Released: 2010-02-16 
• Deposition Author(s): Schlegel, M.K., Essen, L.-O., Meggers, E.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 0.97 Å
• R-Value Free: 
  0.127 (Depositor), 0.105 (DCC) 
• R-Value Work: 
  0.105 (Depositor), 0.113 (DCC) 
• R-Value Observed: 
  0.106 (Depositor) 

Literature

Atomic Resolution Duplex Structure of the Simplified Nucleic Acid Gna.

Schlegel, M.K., Essen, L.-O., Meggers, E.

(2010) Chem Commun (Camb) 46: 1094

• PubMed: 20126724 
• DOI: https://doi.org/10.1039/b916851f
• Primary Citation Related Structures: 
  2WNA


• PubMed Abstract: 
  

  Double helix variations of glycol nucleic acids (GNA) are revealed by the atomic resolution crystal structure of a 6mer GNA duplex containing solely Watson-Crick type hydrogen-bonded base pairs.

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Organizational Affiliation: 
• Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Strasse, 35032 Marburg, Germany.

Biological Assembly 1  

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 1.98 kDa 
• Atom Count: 190 
• Modeled Residue Count: 6 
• Deposited Residue Count: 6 
• Unique nucleic acid chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Length	Organism	Image
GNA	A	6	Homo sapiens

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NCO	B [auth A], C [auth A]	COBALT HEXAMMINE(III) Co H18 N6 DYLMFCCYOUSRTK-UHFFFAOYSA-N
MG	D [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 0.97 Å
• R-Value Free:  0.127 (Depositor), 0.105 (DCC) 
• R-Value Work:  0.105 (Depositor), 0.113 (DCC) 
• R-Value Observed: 0.106 (Depositor) 

Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 20.42	α = 90
b = 42	β = 90
c = 28.67	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling
SHELXE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-02-16 
Deposition Author(s): Schlegel, M.K., Essen, L.-O., Meggers, E.

Revision History  

• Version 1.0: 2010-02-16
  Type: Initial release
  
• Version 1.1: 2011-05-08
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2024-05-08
  Changes: Data collection, Database references, Derived calculations, Other