1LUI | pdb_00001lui

NMR Structures of Itk SH2 domain, Pro287cis isoform, ensemble of 20 low energy structures

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_13C-separated_NOESY	1 mM Itk SH2 domain U-15N, U-13C, 125 mM Phosphate buffer, pH 7.4, 2 mM DTT	90% H20, 10% D20	125mM	7.4	ambient	298
2	3D_15N-separated_NOESY	1 mM Itk SH2 domain U-15N, 125 mM Phosphate buffer, pH 7.4, 2 mM DTT	90% H20, 10% D20	125mM	7.4	ambient	298
3	2D NOESY	1 mM Itk SH2 domain, 125 mM Phosphate buffer, pH 7.4, 2 mM DTT	90% H20, 10% D20	125mM	7.4	ambient	298
4	DQF-COSY	1 mM Itk SH2 domain, 125 mM Phosphate buffer, pH 7.4, 2 mM DTT	90% H20, 10% D20	125mM	7.4	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	500

NMR Refinement
Method	Details	Software
distance geometry and simulated annealing	The structure is based on 2324 NOE-derived distance constraints, 30 hydrogen bond restraints, 59 phi/psi dihedral angle restraints, 9 chi diheral angle restraints	XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with favorable non-bond energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR
2	processing	NMRPipe		Delaglio
3	data analysis	NMRView	4.1.3	Johnson & Blevins
4	refinement	CNS	1.0	Brunger