7Z9L

Phen-DC3 intercalation causes hybrid-to-antiparallel transformation of human telomeric DNA G-quadruplex

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H TOCSY	500 uM Unlabeled 23TAG	95% H2O/5% D2O	70 mM	7	1 atm	298	Bruker AVANCE NEO 700
2	2D 1H-1H NOESY	500 uM Unlabeled 23TAG	95% H2O/5% D2O	70 mM	7	1 atm	298	Bruker AVANCE III 800
4	2D 1H-13C HSQC	200 uM 13C at guanine 23TAG	95% H2O/5% D2O	70 mM	7	1 atm	298	Bruker AVANCE NEO 600
5	2D 1H-15N HSQC	200 uM 15N at guanine 23TAG	95% H2O/5% D2O	70 mM	7	1 atm	298	Bruker AVANCE NEO 600

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE NEO	700
2	Bruker	AVANCE III	800
3	Bruker	AVANCE NEO	600

NMR Refinement
Method	Details	Software
simulated annealing	497 distance, 24 Planarity, 23 dihedral angle, 16 H bonding	Amber

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure calculation	Amber	20	Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, ... and Kollman
2	chemical shift assignment	NMRFAM-SPARKY	1.414	Lee, Woonghee, Marco Tonelli, and John L. Markley
3	processing	TopSpin	4.1.3	Bruker Biospin
4	collection	TopSpin	4.1.3	Bruker Biospin

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.