BMRB Entry 34900

Title:
Structure of a quadruplex-duplex hybrid with a (-pd+l) loop progression
Deposition date:
2024-02-16
Original release date:
2024-03-21
Authors:
Vianney, Y.; Jana, J.; Weisz, K.
Citation:

Citation: Vianney, Y.; Jana, J.; Weisz, K.. "A pH-Responsive Topological Switch Based on a DNA Quadruplex-Duplex Hybrid"  Chemistry 30, e202400722-e202400722 (2024).
PubMed: 38497675

Assembly members:

Assembly members:
entity_1, polymer, 33 residues, 10467.536 Da.

Natural source:

Natural source:   Common Name: not available   Taxonomy ID: 32630   Superkingdom: not available   Kingdom: not available   Genus/species: synthetic construct

Experimental source:

Experimental source:   Production method: chemical synthesis

Entity Sequences (FASTA):

Entity Sequences (FASTA):
entity_1: GGGCGCGAAGCATTCGCGGG GTTAGXGTTAGGG

Data sets:
Data typeCount
13C chemical shifts46
1H chemical shifts205

Additional metadata:

  • Assembly
  • Samples and Experiments
  • Software
  • Spectrometers
  • Hide all

Assembly:

Entity Assembly IDEntity NameEntity ID
1unit_11

Entities:

Entity 1, unit_1 33 residues - 10467.536 Da.

1   DGDGDGDCDGDCDGDADADG
2   DCDADTDTDCDGDCDGDGDG
3   DGDTDTDADGBGMDGDTDTDA
4   DGDGDG

Samples:

sample_1: DNA (33-MER) 0.3 mM; DNA (33-MER), [U-10% 13C; U-10% 15N] deoxyguanosine, 0.2 mM; potassium phosphate buffer 20 mM; KCl 100 mM

sample_conditions_1: ionic strength: 120 mM; pH: 7.9; pressure: 1 atm; temperature: 298 K

Experiments:

NameSampleSample stateSample conditions
2D 1H-13C HSQCsample_1isotropicsample_conditions_1
2D 1H-1H COSYsample_1isotropicsample_conditions_1
2D 1H-1H NOESYsample_1isotropicsample_conditions_1
1H-15N HMQCsample_1isotropicsample_conditions_1

Software:

CcpNmr Analysis v2.4.2, CCPN - chemical shift assignment, peak picking

Amber v18, Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, ... and Kollman - refinement, structure calculation

TopSpin v4.0.7, Bruker Biospin - processing

NMR spectrometers:

  • Bruker AVANCE NEO 600 MHz