BMRB Entry 34631

Name: G-quadruplex structure of the C. elegans telomeric repeat: A two tetrads basket type conformation stabilised by a Hoogsteen C-T base-pair
Published: 2022-06-14

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PDB ID: 7oqt
Entry in NMR Restraints Grid
Validation report in NRG-CING
Chem Shift validation: AVS_full
BMRB Entry DOI: doi:10.13018/BMR34631
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Nicholas Rego and David Koes
3Dmol.js: molecular visualization with WebGL
Bioinformatics (2015) 31 (8): 1322-1324 doi:10.1093/bioinformatics/btu829

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Title:

G-quadruplex structure of the C. elegans telomeric repeat: A two tetrads basket type conformation stabilised by a Hoogsteen C-T base-pair

Deposition date:

2021-06-04

Original release date:

2022-06-14

Authors:

Marquevielle, J.; De Rache, A.; Amrane, S.

Citation:

Citation: Marquevielle, J.; De Rache, A.; Vialet, B.; Morvan, E.; Mergny, J.; Amrane, S.. "G-quadruplex structure of the C. elegans telomeric repeat: a two tetrads basket type conformation stabilized by a non-canonical C-T base-pair" Nucleic Acids Res. 50, 7134-7146 (2022).
PubMed: 35736226

Assembly members:

Assembly members:
entity_1, polymer, 20 residues, 6221.012 Da.
entity_K, non-polymer, 39.098 Da.

Natural source:

Natural source: Common Name: C. elegans Taxonomy ID: 6239 Superkingdom: Eukaryota Kingdom: Metazoa Genus/species: Caenorhabditis elegans

Experimental source:

Experimental source: Production method: chemical synthesis

Entity Sequences (FASTA):

Entity Sequences (FASTA):
entity_1: GGCTTAGGCTTAGGCTTAGG

Data sets:

assigned_chemical_shifts
- assigned_chemical_shifts_1

Data type	Count
13C chemical shifts	69
1H chemical shifts	184

Additional metadata:

Assembly
Samples and Experiments
Software
Spectrometers
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Assembly:

Entity Assembly ID	Entity Name	Entity ID
1	unit_1	1
2	unit_2	2

Entities:

Entity 1, unit_1 20 residues - 6221.012 Da.

1		DG	DG	DC	DT	DT	DA	DG	DG	DC	DT
2		DT	DA	DG	DG	DC	DT	DT	DA	DG	DG

Entity 2, unit_2 - K - 39.098 Da.

1

K

Samples:

sample_1: Asc20 2.4 mM; KCl 70 mM; KPi 20 mM

sample_conditions_1: ionic strength: 90 mM; pH: 6.9; pressure: 1 atm; temperature: 288 K

Experiments:

Name	Sample	Sample state	Sample conditions
2D 1H-1H NOESY	sample_1	anisotropic	sample_conditions_1
2D 1H-13C HSQC	sample_1	anisotropic	sample_conditions_1
2D 1H-13C HMBC	sample_1	anisotropic	sample_conditions_1

Software:

TopSpin, Bruker Biospin - processing

Sparky, Goddard - chemical shift assignment

ARIA, Linge, O'Donoghue and Nilges - structure calculation

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

NMR spectrometers:

Bruker AVANCE III 700 MHz