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Concerted dynamics of metallo-base pairs in an A/B-form helical transition (minor species)
Authors
Schmidt, O.P., Jurt, S., Johannsen, S., Karimi, A., Sigel, R.K.O., Luedtke, N.W.
Assembly
DNA (5'-D(*CP*GP*TP*CP*TP*CP*AP*TP*GP*AP*TP*AP*CP*G)-3') minor
Entity
1. DNA (5'-D(*CP*GP*TP*CP*TP*CP*AP*TP*GP*AP*TP*AP*CP*G)-3') minor (polymer, Thiol state: not present), 14 monomers, 4318.750 × 2 Da Detail

CGTCTCATGA TACG


2. MERCURY (II) ION (non-polymer), 200.590 × 2 Da
Total weight
9038.68 Da
Max. entity weight
4318.75 Da
Source organism
synthetic construct
Exptl. method
solution NMR
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 100.0 %, Completeness: 48.6 %, Completeness (bb): 42.9 % Detail

Polymer type: polydeoxyribonucleotide

Total1H
All48.6 % (67 of 138)48.6 % (67 of 138)
Suger, PO442.9 % (42 of 98)42.9 % (42 of 98)
Nucleobase62.5 % (25 of 40)62.5 % (25 of 40)
Aromatic75.0 % (21 of 28)75.0 % (21 of 28)
Methyl100.0 % (4 of 4)100.0 % (4 of 4)

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

CGTCTCATGA TACG

Sample

Solvent system 100% D2O, Pressure 1 atm, Temperature 298 K, pH 7.35, Details 0.4 mM polydeoxyribonucleotide, 1.2 mM MERCURY (II) ION, 100% D2O


#NameIsotope labelingTypeConcentration
1polydeoxyribonucleotidenatural abundance0.4 mM
2MERCURY (II) IONnatural abundance1.2 mM

Release date
2018-05-23
Citation
Concerted dynamics of metallo-base pairs in an A/B-form helical transition
Schmidt, O.P., Jurt, S., Johannsen, S., Karimi, A., Sigel, R.K.O., Luedtke, N.W.
Nat. Commun. (2019), 10, 4818-4818, PubMed 31645548 , DOI 10.1038/s41467-019-12440-x ,
Experiments performed 5 experiments Detail
Chemical shift validation 4 contents Detail
Keywords A-form helix, B-form helix, DNA, mercury(II)-mediated base pair, metallated duplex DNA