BMRB: 36380

NMR solution structures of the DNA minidumbbell formed by two CCTG repeats at pH 5

Authors

Guo, P., Lam, S.L.

Assembly

DNA (5'-D(*(DCZ)P*CP*TP*GP*CP*CP*TP*G)-3')

Entity

1. DNA (5'-D(*(DCZ)P*CP*TP*GP*CP*CP*TP*G)-3') (polymer, Thiol state: not present), 8 monomers, 2361.559 Da Detail

XCTGCCTG

2. SODIUM ION (non-polymer), 22.990 × 5 Da

Total weight

2476.509 Da

Max. entity weight

2361.559 Da

Source organism

Homo sapiens

Exptl. method

solution NMR

Data set

assigned_chemical_shifts

Chem. Shift Complete

Sequence coverage: 87.5 %, Completeness: 83.1 %, Completeness (bb): 75.5 % Detail

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Polymer type: polydeoxyribonucleotide

	Total	1H
All	83.1 % (59 of 71)	83.1 % (59 of 71)
Suger, PO4	75.5 % (37 of 49)	75.5 % (37 of 49)
Nucleobase	100.0 % (22 of 22)	100.0 % (22 of 22)
Aromatic	100.0 % (14 of 14)	100.0 % (14 of 14)
Methyl	100.0 % (2 of 2)	100.0 % (2 of 2)

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

XCTGCCTG

Show sample condition

Sample

Solvent system 99.96% D2O, Pressure 1 atm, Temperature 273 K, pH 5 (±0.1), Details 0.2 mM NA DNA (5'-D(*(CP5)P*(DCP)P*TP*GP*CP*CP*TP*G)-3'), 0.02 mM NA DSS, 10 mM NA NaCl, 99.96% D2O

#	Name	Isotope labeling	Type	Concentration
1	DNA (5'-D(*(CP5)P*(DCP)P*TP*GP*CP*CP*TP*G)-3')	natural abundance	DNA	0.2 (±0.02) mM
2	DSS	natural abundance		0.02 (±0.005) mM
3	NaCl	natural abundance	salt	10 (±1.0) mM
4	D2O	[U-2H]	solvent	99.96 %

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Release date

2021-02-09

Citation

5-Methylcytosine Substantially Enhances the Thermal Stability of DNA Minidumbbells
Wan, L., Yi, J., Lam, S.L., Lee, H.K., Guo, P.
Chemistry (2021), 27, 6740-6747, PubMed 33501691 , DOI 10.1002/chem.202005410 , Abstract

Entries sharing articles BMRB: 2 entries Detail

Experiments performed 3 experiments Detail