2FXZ | pdb_00002fxz

Solution structure of 97-109 segment of staphylococcal nuclease

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D DQF-COSY, 2D TOCSY, 2D ROESY	2.0mM peptides; DSS, NaN3; 40% trifluoroethanol-d4, 60% H2O	40% trifluoroethanol-d4, 60% H2O	0	5.0	ambient	298
2	2D_13C HSQC, 2D_13C HSQC-TOCSY	2.0mM peptides; DSS, NaN3; 40% trifluoroethanol-d4, 60% D2O	40% trifluoroethanol-d4, 60% D2O	0	5.0	ambient	298

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

NMR Refinement
Method	Details	Software
torsion angle dynamics		XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	80
Conformers Submitted Total Number	15
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	3.5	Bruker
2	data analysis	Felix	98	MSI/Accelrys Inc.
3	structure solution	CNS	1.1	Brunger
4	refinement	CNS	1.1	Brunger