1JZU

Cell transformation by the myc oncogene activates expression of a lipocalin: analysis of the gene (Q83) and solution structure of its protein product

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D HCCH-TOCSY	3mM lipocalin Q83 U-15N,13C; 20 mM potassium phosphate; 50 mM potassium chloride; 0.5mM dithiothreitol; 90% H2O, 10% D2O	90% H2O/10% D2O	20mM potassium phosphate; 50mM potassium chloride; 0.5mM dithiothreitol	6.4	ambient	299
2	3D_CCH-TOCSY-NNH	3mM lipocalin Q83 U-15N,13C; 20 mM potassium phosphate; 50 mM potassium chloride; 0.5mM dithiothreitol; 90% H2O, 10% D2O	90% H2O/10% D2O	20mM potassium phosphate; 50mM potassium chloride; 0.5mM dithiothreitol	6.4	ambient	299
3	3D_NOESY-HSQC:(two_13C,Ca/methyl-centered,15N)	3mM lipocalin Q83 U-15N,13C; 20 mM potassium phosphate; 50 mM potassium chloride; 0.5mM dithiothreitol; 90% H2O, 10% D2O	90% H2O/10% D2O	20mM potassium phosphate; 50mM potassium chloride; 0.5mM dithiothreitol	6.4	ambient	299
4	3D HNHA	3mM lipocalin Q83 U-15N,13C; 20 mM potassium phosphate; 50 mM potassium chloride; 0.5mM dithiothreitol; 90% H2O, 10% D2O	90% H2O/10% D2O	20mM potassium phosphate; 50mM potassium chloride; 0.5mM dithiothreitol	6.4	ambient	299
5	Cross-correlated_relaxation_rates_Ca(i)Ha(i)-DD/C'(i)-CSA	3mM lipocalin Q83 U-15N,13C; 20 mM potassium phosphate; 50 mM potassium chloride; 0.5mM dithiothreitol; 90% H2O, 10% D2O	90% H2O/10% D2O	20mM potassium phosphate; 50mM potassium chloride; 0.5mM dithiothreitol	6.4	ambient	299
6	Cross-correlated_relaxation_rates_Ca(i)Ha(i)-DD/C'(i-1)-CSA	3mM lipocalin Q83 U-15N,13C; 20 mM potassium phosphate; 50 mM potassium chloride; 0.5mM dithiothreitol; 90% H2O, 10% D2O	90% H2O/10% D2O	20mM potassium phosphate; 50mM potassium chloride; 0.5mM dithiothreitol	6.4	ambient	299

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	UNITYPLUS	500

NMR Refinement
Method	Details	Software
ARIA/CNS automated refinement using also ambiguous NOE distance constraints; simulated annealing (torsion angle dynamics)		VNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations,structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	15 (closest to the average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	VNMR	6.1 Rev B	Varian Associates, Inc.
2	processing	NMRPipe	1.8 Rev 2001.030.21.27	Delaglio
3	data analysis	ANSIG	3.3	Kraulis
4	data analysis	NMRView	4.1.3	Johnson (Merck and Co., Inc.)
5	structure solution	ARIA/CNS	1.0	Linge, Nilges, Brunger
6	refinement	CNS	1.0	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 R01GM133198.