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NMR and Restrained Molecular Dynamics Determination of the Structure of an Aza-Benzimidazole Derivative Complex with the DNA Minor Groove of an -AAGATA- Sequence
Authors
Harika, N.K., Boykin, D.W.
Assembly
DNA (5'-D(*CP*CP*AP*AP*GP*AP*TP*AP*G)-3'), DNA (5'-D(*CP*TP*AP*TP*CP*TP*TP*GP*G)-3')
Entity
1. DNA (5'-D(*CP*CP*AP*AP*GP*AP*TP*AP*G)-3') (polymer), 9 monomers, 2811.810 Da Detail

CCAAGATAG


2. DNA (5'-D(*CP*TP*AP*TP*CP*TP*TP*GP*G)-3') (polymer), 9 monomers, 2784.768 Da Detail

CTATCTTGG


Total weight
5596.578 Da
Max. entity weight
2811.81 Da
Source organism
synthetic construct
Exptl. method
solution NMR
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 100.0 %, Completeness: 69.1 %, Completeness (bb): 71.4 % Detail

Polymer type: polydeoxyribonucleotide

Total1H
All69.1 % (121 of 175)69.1 % (121 of 175)
Suger, PO471.4 % (90 of 126)71.4 % (90 of 126)
Nucleobase63.3 % (31 of 49)63.3 % (31 of 49)
Aromatic72.2 % (26 of 36)72.2 % (26 of 36)
Methyl100.0 % (5 of 5)100.0 % (5 of 5)

1. DNA (5'-D(*CP*CP*AP*AP*GP*AP*TP*AP*G)-3')

CCAAGATAG

2. DNA (5'-D(*CP*TP*AP*TP*CP*TP*TP*GP*G)-3')

CTATCTTGG

Sample

Solvent system 100% D2O, Pressure 1 atm, Temperature 285 K, pH 6.3, Details 0.54 mM DNA hairpin, 10 mM Tris-d11 buffer, 10 mM sodium chloride, 0.14 mM EDTA, 0.4 mM DSS, 100% D2O


#NameIsotope labelingTypeConcentration
1DNA (5'-D(*CP*CP*AP*AP*GP*AP*TP*AP*G)-3')natural abundance0.54 mM
2DNA (5'-D(*CP*TP*AP*TP*CP*TP*TP*GP*G)-3')natural abundance0.54 mM
3DSSnatural abundance0.4 mM
4EDTAnatural abundance0.14 mM
5Tris-d11 buffernatural abundance10 mM
6sodium chloridenatural abundance10 mM

Release date
2017-08-27
Citation
First Structure of a Designed Minor Groove Binding Heterocyclic Cation that Specifically Recognizes Mixed DNA Base Pair Sequences
Harika, N.K., Markus, M.W., Wilson, W.D.
Chemistry (2017), 23, 17612-17620, PubMed 29044822 , DOI 10.1002/chem.201704563 ,
Experiments performed 10 experiments Detail
nullKeywords DNA, Minor groove, Mixed base pair sequence, single GC base pair recognition