BMRB Entry 28081

Title:
Trimolecular G-quadruplex
Deposition date:
2020-02-17
Original release date:
2021-01-25
Authors:
Jing, Haitao; Fu, Wenqiang; Zhang, Na
Citation:

Citation: Jing, Haitao; Fu, Wenqiang; Hu, Wenxuan; Xu, Suping; Xu, Xiaojuan; He, Miao; Liu, Yangzhong; Zhang, Na. "NMR structural study on the self-trimerization of d(GTTAGG) into a dynamic trimolecular G-quadruplex assembly preferentially in Na+ solution with a moderate K+ tolerance"  Nucleic Acid Res. 49, 2306-2316 (2021).
PubMed: 33524157

Assembly members:

Assembly members:
Trimolecular_G-quadruplex, polymer, 18 residues, Formula weight is not available

Natural source:

Natural source:   Common Name: Human   Taxonomy ID: 9606   Superkingdom: Eukaryota   Kingdom: Metazoa   Genus/species: Homo sapiens

Experimental source:

Experimental source:   Production method: chemical synthesis

Entity Sequences (FASTA):

Entity Sequences (FASTA):
Trimolecular_G-quadruplex: GTTAGGGTTAGGGTTAGG

Data typeCount
13C chemical shifts27
15N chemical shifts9
1H chemical shifts167

Additional metadata:

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

Assembly:

Entity Assembly IDEntity NameEntity ID
1Chain A1
2Chain B1
3Chain C1

Entities:

Entity 1, Chain A 18 residues - Formula weight is not available

1   DGDTDTDADGDGDGDTDTDA
2   DGDGDGDTDTDADGDG

Samples:

sample_H2O: Trimolecular G-quadruplex 8 mM; sodium phosphate 20 mM; sodium chloride 100 mM; D2O, [U-99% 2H], 10%; H2O 90%

sample_D2O: Trimolecular G-quadruplex 8 mM; sodium phosphate 20 mM; sodium chloride 100 mM; D2O, [U-99% 2H], 100%

sample_conditions_1: ionic strength: 0.1 M; pH: 6.8; pressure: 1 atm; temperature: 288 K

Experiments:

NameSampleSample stateSample conditions
2D 1H-1H NOESYsample_H2Oisotropicsample_conditions_1
2D 1H-1H NOESYsample_D2Oisotropicsample_conditions_1
2D 1H-15N HSQCsample_H2Oisotropicsample_conditions_1
2D 1H-13C HSQCsample_D2Oisotropicsample_conditions_1

Software:

TOPSPIN v3.2, Bruker Biospin - collection

NMR spectrometers:

  • Bruker Avance 600 MHz