BMRB Entry 18847

Name: Structure of stacked G-quadruplex formed by human TERRA sequence in potassium solution
Published: 2013-03-01

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PDB ID: 2m18
Entry in NMR Restraints Grid
Validation report in NRG-CING
Chem Shift validation: AVS_full
BMRB Entry DOI: doi:10.13018/BMR18847
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Bioinformatics (2015) 31 (8): 1322-1324 doi:10.1093/bioinformatics/btu829

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Title: Structure of stacked G-quadruplex formed by human TERRA sequence in potassium solution PubMed: 23445442

Deposition date: 2012-11-20 Original release date: 2013-03-01

Authors: Martadinata, Herry; Phan, Anh Tuan

Citation: Martadinata, Herry; Phan, Anh Tuan. "Structure of Human Telomeric RNA (TERRA): Stacking of Two G-Quadruplex Blocks in K(+) Solution." Biochemistry 52, 2176-2183 (2013).

Assembly members:
RNA_(5'-R(*GP*GP*GP*UP*UP*AP*GP*GP*GP*U)-3'), polymer, 10 residues, 3274.003 Da.

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

Experimental source: Production method: chemical synthesis

Entity Sequences (FASTA):
RNA_(5'-R(*GP*GP*GP*UP*UP*AP*GP*GP*GP*U)-3'): GGGUUAGGGU

Data sets:

assigned_chemical_shifts
- assigned_chem_shift_list_1

Data type	Count
1H chemical shifts	232

Additional metadata:

Assembly
Samples and Experiments
Software
Spectrometers
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Assembly:

Entity Assembly ID	Entity Name	Entity ID
1	GGGUUAGGGU, chain 1	1
2	GGGUUAGGGU, chain 2	1
3	GGGUUAGGGU, chain 3	1
4	GGGUUAGGGU, chain 4	1

Entities:

Entity 1, GGGUUAGGGU, chain 1 10 residues - 3274.003 Da.

1

G

U

A

G

U

Samples:

10-nt_TERRA: RNA (5, -R(*GP*GP*GP*UP*UP*AP*GP*GP*GP*U)-3')', ; 2, K+ solution, ;

sample_conditions_1: ionic strength: 90 mM; pH: 7; pressure: 1 atm; temperature: 298 K

Experiments:

Name	Sample	Sample state	Sample conditions
2D 1H-13C HSQC aliphatic	10-nt_TERRA	isotropic	sample_conditions_1
2D 1H-13C HSQC aromatic	10-nt_TERRA	isotropic	sample_conditions_1
2D 1H-1H TOCSY	10-nt_TERRA	isotropic	sample_conditions_1
2D 1H-1H COSY	10-nt_TERRA	isotropic	sample_conditions_1
2D 1H-1H NOESY	10-nt_TERRA	isotropic	sample_conditions_1

Software:

X-PLOR NIH, Schwieters, Kuszewski, Tjandra and Clore - refinement, structure solution

FELIX, Accelrys Software Inc. - chemical shift assignment, peak picking

NMR spectrometers:

Bruker Avance 600 MHz
Bruker Avance 700 MHz