1PWF

One Sugar Pucker Fits All: Pairing Versatility Despite Conformational Uniformity in TNA

• PDB DOI: https://doi.org/10.2210/pdb1PWF/pdb
• NAKB: 1PWF

• Classification: DNA
• Mutation(s): No 


• Deposited: 2003-07-01 Released: 2004-07-13 
• Deposition Author(s): Pallan, P.S., Wilds, C.J., Wawrzak, Z., Krishnamurthy, R., Eschenmoser, A., Egli, M.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.16 Å
• R-Value Free: 
  0.188 (Depositor), 0.180 (DCC) 
• R-Value Work: 
  0.133 (Depositor), 0.140 (DCC) 
• R-Value Observed: 
  0.133 (Depositor) 

Starting Model: experimental

Literature

Why does TNA cross-pair more strongly with RNA than with DNA? an answer from X-ray analysis.

Pallan, P.S., Wilds, C.J., Wawrzak, Z., Krishnamurthy, R., Eschenmoser, A., Egli, M.

(2003) Angew Chem Int Ed Engl 42: 5893-5895

• PubMed: 14673929 
• DOI: https://doi.org/10.1002/anie.200352553
• Primary Citation of Related Structures:  
  1PWF

---

Organizational Affiliation: 

Department of Biochemistry, Vanderbilt University, Nashville, TN 37332, USA.

Biological Assembly 1  

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 6.32 kDa 
• Atom Count: 529 
• Modelled Residue Count: 20 
• Deposited Residue Count: 20 
• Unique nucleic acid chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Length	Organism	Image
5'-D(*GP*CP*GP*TP*AP*(2MU)P*(FA2)P*CP*GP*C)-3'	A, B	10	N/A

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SPM	C [auth B]	SPERMINE C10 H26 N4 PFNFFQXMRSDOHW-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.16 Å
• R-Value Free:  0.188 (Depositor), 0.180 (DCC) 
• R-Value Work:  0.133 (Depositor), 0.140 (DCC) 
• R-Value Observed: 0.133 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 24.429	α = 90
b = 44.522	β = 90
c = 47.332	γ = 90

Software Package:

Software Name	Purpose
SHELXL-97	refinement
SCALEPACK	data scaling
CNS	refinement
XDS	data scaling
XDS	data reduction
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2004-07-13 
Deposition Author(s): Pallan, P.S., Wilds, C.J., Wawrzak, Z., Krishnamurthy, R., Eschenmoser, A., Egli, M.

Revision History  

• Version 1.0: 2004-07-13
  Type: Initial release
  
• Version 1.1: 2008-04-29
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2017-10-11
  Changes: Advisory, Refinement description
• Version 1.4: 2019-07-24
  Changes: Data collection, Derived calculations, Refinement description
• Version 1.5: 2023-08-16
  Changes: Advisory, Data collection, Database references, Derived calculations, Refinement description