BMRB

Biological Magnetic Resonance Data Bank


A Repository for Data from NMR Spectroscopy on Proteins, Peptides, Nucleic Acids, and other Biomolecules
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BMRB Entry 34722

Title: Structure of a parallel G-quadruplex with a snapback loop   PubMed: 35758626

Deposition date: 2022-03-31 Original release date: 2022-06-09

Authors: Jana, J.; Vianney, Y.; Schroeder, N.; Weisz, K.

Citation: Jana, J.; Vianney, Y.; Schroeder, N.; Weisz, K.. "Guiding the folding of G-quadruplexes through loop residue interactions"  Nucleic Acid Res. 50, 7161-7175 (2022).

Assembly members:
entity_1, polymer, 23 residues, 7153.664 Da.

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

Experimental source:   Production method: chemical synthesis

Entity Sequences (FASTA):
entity_1: XGGCTAGGGTCAGGGTGGGT CAG

Data sets:
Data typeCount
13C chemical shifts26
1H chemical shifts148

Additional metadata:

  • Assembly
  • Samples and Experiments
  • Software
  • Spectrometers
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Assembly:

Entity Assembly IDEntity NameEntity ID
1unit_11

Entities:

Entity 1, unit_1 23 residues - 7153.664 Da.

1   THMDGDGDCDTDADGDGDGDT
2   DCDADGDGDGDTDGDGDGDT
3   DCDADG

Samples:

sample_1: DNA 0.3 mM

sample_conditions_1: ionic strength: 10 mM; pH: 7.0; pressure: 1 atm; temperature: 303 K

Experiments:

NameSampleSample stateSample conditions
2D 1H-13C HSQC aromaticsample_1isotropicsample_conditions_1
2D 1H-1H NOESYsample_1isotropicsample_conditions_1
2D 1H-1H COSYsample_1isotropicsample_conditions_1

Software:

Amber v16, Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, ... and Kollman - refinement

X-PLOR NIH v3.0.3, Schwieters, Kuszewski, Tjandra and Clore - structure calculation

TopSpin v4.0.7, Bruker Biospin - processing

CcpNmr Analysis v2.4.2, CCPN - data analysis, peak picking

NMR spectrometers:

  • Bruker AVANCE NEO 600 MHz