149D

SOLUTION STRUCTURE OF A PYRIMIDINE(DOT)PURINE(DOT) PYRIMIDINE DNA TRIPLEX CONTAINING T(DOT)AT, C+(DOT)GC AND G(DOT)TA TRIPLES


Experimental Data Snapshot

  • Method: SOLUTION NMR
  • Conformers Submitted: 14 

wwPDB Validation   3D Report Full Report


This is version 1.3 of the entry. See complete history


Literature

Solution structure of a pyrimidine.purine.pyrimidine DNA triplex containing T.AT, C+.GC and G.TA triples.

Radhakrishnan, I.Patel, D.J.

(1994) Structure 2: 17

  • DOI: 10.1016/s0969-2126(00)00005-8
  • Primary Citation of Related Structures:  
    149D

  • PubMed Abstract: 
  • Under certain conditions, homopyrimidine oligonucleotides can bind to complementary homopurine sequences in homopurine-homopyrimidine segments of duplex DNA to form triple helical structures. Besides having biological implications in vivo, this property has been exploited in molecular biology applications ...

    Under certain conditions, homopyrimidine oligonucleotides can bind to complementary homopurine sequences in homopurine-homopyrimidine segments of duplex DNA to form triple helical structures. Besides having biological implications in vivo, this property has been exploited in molecular biology applications. This approach is limited by a lack of knowledge about the recognition by the third strand of pyrimidine residues in Watson-Crick base pairs.


    Related Citations: 
    • Three-Dimensional Homonuclear Noesy-Tocsy of an Intramolecular Pyrimidine(Dot)Purine(Dot)Pyrimidine DNA Triplex Containing a Central G(Dot)Ta Triple: Nonexchangeable Proton Assignments and Structural Implications
      Radhakrishnan, I., Patel, D.J., Gao, X.
      (1992) Biochemistry 31: 2514
    • Solution Conformation of a G(Dot)Ta Triple in an Intramolecular Pyrimidine(Dot)Purine(Dot)Pyrimidine DNA Triplex
      Radhakrishnan, I., Patel, D.J., Veal, J.M., Gao, X.
      (1992) J Am Chem Soc 114: 6913
    • NMR Structural Studies of Intramolecular (Y+)N(Dot)(R+)N(Y-)N DNA Triplexes in Solution: Imino and Amino Proton and Nitrogen Markers of G(Dot)Ta Base Triple Formation
      Radhakrishnan, I., Gao, X., De Los Santos, C., Live, D., Patel, D.J.
      (1991) Biochemistry 30: 9022

    Organizational Affiliation

    Department of Biochemistry and Molecular Biophysics, College of Physicians and Surgeons, Columbia University, New York, NY 10032.



Macromolecules

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Entity ID: 1
MoleculeChainsLengthOrganismImage
5'-D(*CP*CP*TP*AP*TP*TP*C)-3'A 7N/A
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  • Reference Sequence

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Entity ID: 2
MoleculeChainsLengthOrganismImage
5'-D(*GP*AP*AP*TP*AP*GP*G)-3'B 7N/A
Protein Feature View
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  • Reference Sequence

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Entity ID: 3
MoleculeChainsLengthOrganismImage
5'-D(*CP*TP*TP*GP*TP*CP*C)-3'C 7N/A
Protein Feature View
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: SOLUTION NMR
  • Conformers Submitted: 14 
  • OLDERADO: 149D Olderado

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 1994-04-30
    Type: Initial release
  • Version 1.1: 2008-03-24
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance
  • Version 1.3: 2022-02-16
    Changes: Database references, Derived calculations, Other