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(-) Description

Title :  STRUCTURAL STUDIES OF A STABLE PARALLEL-STRANDED DNA DUPLEX INCORPORATING ISOGUANINE:CYTOSINE AND ISOCYTOSINE:GUANINE BASE PAIRS BY NMR, MINIMIZED AVERAGE STRUCTURE
 
Authors :  X. -L. Yang, H. Sugiyama, S. Ikeda, I. Saito, A. H. -J. Wang
Date :  19 May 98  (Deposition) - 12 Aug 98  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A,B
Keywords :  Dna Structure, Novel Dna Bases, Antisense Oligonucleotides, Intercalator Binding, Reverse Watson-Crick Base Pairs, Deoxyribonucleic Acid (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  X. L. Yang, H. Sugiyama, S. Ikeda, I. Saito, A. H. Wang
Structural Studies Of A Stable Parallel-Stranded Dna Duplex Incorporating Isoguanine:Cytosine And Isocytosine:Guanine Basepairs By Nuclear Magnetic Resonance Spectroscopy.
Biophys. J. V. 75 1163 1998
PubMed-ID: 9726918
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - DNA DUPLEX (TGCACGGACT)
    Chains: A
    Engineered: YES
    Synthetic: YES
 
Molecule 2 - DNA DUPLEX (TGCACGGACT)
    Chains: B
    Engineered: YES
    Synthetic: YES

 Structural Features

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NMR Structure : 

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 6)

NMR Structure (2, 6)
No.NameCountTypeFull Name
1IGU3Mod. Nucleotide2'-DEOXYISOGUANINE-5'-MONOPHOSPHATE
2IMC3Mod. NucleotideN1-[2-DEOXY-RIBOFURANOSYL]-[2-AMINO-5-METHYL-4-OXO-4H-PYRIMIDINE]-5'-MONOPHOSPHATE

(-) Sites  (0, 0)

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(-) SS Bonds  (0, 0)

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(-) Sequences/Alignments

NMR Structure
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
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Chain A from PDB  Type:DNA  Length:10
                                         
                  1be5 A  1 TgcAcggAcT 10
                             || ||| 10
                             || ||| | 
                             2-IGU| | 
                              3-IMC | 
                                5-IMC 
                                 6-IGU
                                  7-IGU
                                    9-IMC


Chain B from PDB  Type:DNA  Length:10
                                         
                  1be5 B 11 ACGTGCCTGA 20
                                    20
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NMR Structure(hide GO term definitions)
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