1VA2

Solution Structure of Transcription Factor Sp1 DNA Binding Domain (Zinc Finger 2)

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_13C-separated_NOESY	1mM Sp1 DNA-Binding Domain U-15N/13C; 10mM Tris-d; 50mM NaCl; 1mM DTT	90% H2O/10% D2O	10mM Tris-d, 50mM NaCl	7.4	1 atm	298
2	3D_15N-separated_NOESY	1mM Sp1 DNA-Binding Domain U-15N/13C; 10mM Tris-d; 50mM NaCl; 1mM DTT	90% H2O/10% D2O	10mM Tris-d, 50mM NaCl	7.4	1 atm	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	600

NMR Refinement
Method	Details	Software
torsion angle dynamics, simulated annealing		CNS

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	31
Representative Model	31 (minimized average structure)

Additional NMR Experimental Information
Details	The structure was determined using triple-resonance NMR spectroscopy.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	CNS	1.1
2	processing	NMRPipe	2.1	F. Delaglio, et al.
3	data analysis	NMRView	5.0.4	Bruce A. Johnson
4	refinement	CNS	1.1

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.