1SA8

THE NMR STRUCTURE OF A STABLE AND COMPACT ALL-beta-SHEET VARIANT OF INTESTINAL FATTY ACID-BINDING PROTEIN

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	13C-edited NOESY-HSQC	1.8 mM protein, 20 mM potassium phosphate, 135 mM KCl, 10 mM NaCl, 0.5% NaN3,95% H2O, 5% D2O	95% H2O/5% D2O	20 mM potassium phosphate, 135 mM KCl, 10 mM NaCl, 0.5% NaN3	7.2	atmospheric atm	298
2	15N-edited NOESY-HSQC	1.8 mM protein, 20 mM potassium phosphate, 135 mM KCl, 10 mM NaCl, 0.5% NaN3,95% H2O, 5% D2O	95% H2O/5% D2O	20 mM potassium phosphate, 135 mM KCl, 10 mM NaCl, 0.5% NaN3	7.2	atmospheric atm	298
3	3D 15N-15N edited NOESY	1.8 mM protein, 20 mM potassium phosphate, 135 mM KCl, 10 mM NaCl, 0.5% NaN3,95% H2O, 5% D2O	95% H2O/5% D2O	20 mM potassium phosphate, 135 mM KCl, 10 mM NaCl, 0.5% NaN3	7.2	atmospheric atm	298
4	Aromatic13C-NOESY-HSQC	1.8 mM protein, 20 mM potassium phosphate, 135 mM KCl, 10 mM NaCl, 0.5% NaN3,95% H2O, 5% D2O	95% H2O/5% D2O	20 mM potassium phosphate, 135 mM KCl, 10 mM NaCl, 0.5% NaN3	7.2	atmospheric atm	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	UNITY	500
2	Varian	INOVA	600

NMR Refinement
Method	Details	Software
ARIA1.1.2/CNS1.1	The structures are based on a total of 2173 distance constraints and 176 CSI-derived dihedral angle restraints.	CNS

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	20
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	CNS	1.1	NILGES, M. AND O'DONOGHUE, S. (1998) PROG. NMR SPECTROSCOPY 32, 107-139.2. LINGE, J. AND NILGES, M. (1999) JOURNAL OF BIOMOLECULAR NMR 13, 51-59.
2	data analysis	Felix	2001	Accelrys Inc.
3	collection	VNMR	6.1	Varian Associates
4	refinement	CNS	1.1	NILGES, M. AND O'DONOGHUE, S. (1998) PROG. NMR SPECTROSCOPY 32, 107-139.2. LINGE, J. AND NILGES, M. (1999) JOURNAL OF BIOMOLECULAR NMR 13, 51-59.