2JPW

Solution structure of the bisphosphorylated cardiac specific N-extension of cardiac troponin I

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	5 mM mM troponin I (1-32) PP	90% H2O/10% D2O	0	6.5	ambient	283
2	2D 1H-1H TOCSY	5 mM mM troponin I (1-32) PP	90% H2O/10% D2O	0	6.5	ambient	283
3	2D 1H-1H NOESY	5 mM mM troponin I (1-32) PP	90% H2O/10% D2O	0	6.5	ambient	283
4	2D DQF-COSY	5 mM mM troponin I (1-32) PP	90% H2O/10% D2O	0	6.5	ambient	283

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	600
2	Varian	INOVA	800

NMR Refinement
Method	Details	Software
DGSA-distance geometry simulated annealing	The structures are based on a total of 362 restraints, 283 are NOE-derived distance constraints, 75 dihedral angle restraints, 4 distance restraints from hydrogen bonds.	Felix

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

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	Felix	2000	Accelrys Software Inc.
2	refinement	X-PLOR NIH	2.9.6	Schwieters, Kuszewski, Tjandra and Clore
3	data analysis	Sparky	3.110	Goddard