1SJR

NMR Structure of RRM2 from Human Polypyrimidine Tract Binding Protein Isoform 1 (PTB1)

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_15N-separated_NOESY	0.25 mM PTB1-2, U-15N, 13C, 50 mM Na phosphate buffer, 100 mM NaCl, 10 mM DTT, 2 mM NaN3,10% D2O	10% D2O	0.3 M	6.5	ambient	303
2	3D_13C-separated_NOESY	0.25 mM PTB1-2, U-15N, 13C, 50 mM Na phosphate buffer, 100 mM NaCl, 10 mM DTT, 2 mM NaN3,10% D2O	10% D2O	0.3 M	6.5	ambient	303

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	500
2	Varian	INOVA	800

NMR Refinement
Method	Details	Software
Hybrid distance geometry/simulated annealing		XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	50
Conformers Submitted Total Number	16
Representative Model	1 (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	collection	XwinNMR	3.1	Bruker Biospin
2	processing	NMRPipe	1	Delaglio, F.
3	data analysis	NMRView	4.1.3	Johnson, B. and Blevins, R.
4	structure solution	X-PLOR	3.851	Brunger, A.T.
5	refinement	X-PLOR	3.851	Brunger, A.T.