6D2U

Solution structure of a ultra-high affinity macrocycle bound to HIV-1 TAR RNA

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	1.5 mM DAB-VAL-ARG-THR-ARG-LYS-GLY-ARG-ARG-ILE-NOR-ILE-DPR-PRO, 1.0 mM [U-99% 13C; U-99% 15N] RNA (29-MER), 0.01 mM EDTA, 20 mM potassium phosphate, 10 mM sodium chloride	95% H2O/5% D2O	10 mM NaCl, 20mM Na Phosphate mM	6.5	1 atm	277	Bruker AVANCE III 800
2	2D 1H-1H TOCSY	1.7 mM DAB-VAL-ARG-THR-ARG-LYS-GLY-ARG-ARG-ILE-NOR-ILE-DPR-PRO, 1.2 mM RNA (29-MER), 0.01 mM EDTA, 20 mM potassium phosphate, 10 mM sodium chloride	100% D2O	10 mM NaCl, 20mM Na Phosphate mM	6.5	1 atm	303	Bruker AVANCE III 800
3	2D 1H-1H NOESY	1.7 mM DAB-VAL-ARG-THR-ARG-LYS-GLY-ARG-ARG-ILE-NOR-ILE-DPR-PRO, 1.2 mM RNA (29-MER), 0.01 mM EDTA, 20 mM potassium phosphate, 10 mM sodium chloride	95% H2O/5% D2O	10 mM NaCl, 20mM Na Phosphate mM	6.5	1 atm	277	Bruker AVANCE III 800
4	2D 1H-1H NOESY	1.7 mM DAB-VAL-ARG-THR-ARG-LYS-GLY-ARG-ARG-ILE-NOR-ILE-DPR-PRO, 1.2 mM RNA (29-MER), 0.01 mM EDTA, 20 mM potassium phosphate, 10 mM sodium chloride	100% D2O	10 mM NaCl, 20mM Na Phosphate mM	6.5	1 atm	303	Bruker AVANCE III 800
5	2D 1H-13C HSQC	1.5 mM DAB-VAL-ARG-THR-ARG-LYS-GLY-ARG-ARG-ILE-NOR-ILE-DPR-PRO, 1.0 mM [U-99% 13C; U-99% 15N] RNA (29-MER), 0.01 mM EDTA, 20 mM potassium phosphate, 10 mM sodium chloride	100% D2O	10 mM NaCl, 20mM Na Phosphate mM	6.5	1 atm	303	Bruker AVANCE III 800
6	3D 1H-15N NOESY	1.5 mM DAB-VAL-ARG-THR-ARG-LYS-GLY-ARG-ARG-ILE-NOR-ILE-DPR-PRO, 1.0 mM [U-99% 13C; U-99% 15N] RNA (29-MER), 0.01 mM EDTA, 20 mM potassium phosphate, 10 mM sodium chloride	95% H2O/5% D2O	10 mM NaCl, 20mM Na Phosphate mM	6.5	1 atm	277	Bruker AVANCE III 800
7	3D 1H-13C NOESY	1.5 mM DAB-VAL-ARG-THR-ARG-LYS-GLY-ARG-ARG-ILE-NOR-ILE-DPR-PRO, 1.0 mM [U-99% 13C; U-99% 15N] RNA (29-MER), 0.01 mM EDTA, 20 mM potassium phosphate, 10 mM sodium chloride	100% D2O	10 mM NaCl, 20mM Na Phosphate mM	6.5	1 atm	303	Bruker AVANCE III 800

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	500
2	Bruker	AVANCE II	600
3	Bruker	AVANCE III	800

NMR Refinement
Method	Details	Software
simulated annealing		X-PLOR NIH

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
2	structure calculation	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
3	chemical shift assignment	Sparky		Goddard
4	peak picking	Sparky		Goddard