1FV5

SOLUTION STRUCTURE OF THE FIRST ZINC FINGER FROM THE DROSOPHILA U-SHAPED TRANSCRIPTION FACTOR

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	0.7mM U-shaped first finger; 95% H2O, 5% D2O	95% H2O/5% D2O	0	5.5	ambient	298
2	HNHA	0.7mM U-shaped first finger 15N-labelled; 95% H2O, 5% D2O	95% H2O/5% D2O	0	5.5	ambient	298
3	HNHB	0.7mM U-shaped first finger 15N-labelled; 95% H2O, 5% D2O	95% H2O/5% D2O	0	5.5	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	600

NMR Refinement
Method	Details	Software
distance geometry simulated annealing cartesian dynamics	The structures are based on a total of 356 restraints, 324 are NOE-derived distance constraints and 32 are dihedral angle restraints	XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	500
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Additional NMR Experimental Information
Details	The structure was determined using 2D homonuclear and heteronuclear techniques on unlabelled and 15N-labelled peptide.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	2.6	Guenther
2	data analysis	XEASY	1.2	Bartels, Xia, Billeter, Guntert, Wuthrich
3	structure solution	DYANA	1.5	Guntert, Mumenthaler, Wuthrich
4	refinement	CNS	1.0	Warren, Nilges, Kuszewski, Clore, Brunger

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.