2K13

Solution NMR Structure of the Leech Protein Saratin, a Novel Inhibitor of Haemostasis

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D_1H_NOESY	1.4-1.7 mM Saratin	90% H2O/10% D2O	10 mM sodium phosphate buffer	6.5	ambient bar	298
2	3D_15N-separated_NOESY	1.4-1.7 mM [U-15N] Saratin	90% H2O/10% D2O	10 mM sodium phosphate buffer	6.5	ambient bar	298
3	3D_13C-separated_NOESY	1.4-1.7 mM [U-13C; U-15N] Saratin	90% H2O/10% D2O	10 mM sodium phosphate buffer	6.5	ambient bar	298
4	2D 1H-15N HSQC	1.4-1.7 mM [U-15N] Saratin	90% H2O/10% D2O	10 mM sodium phosphate buffer	6.5	ambient bar	298
5	2D_1H_NOESY	1.4-1.7 mM Saratin	100% D2O	10 mM sodium phosphate buffer	6.5	ambient bar	298

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

NMR Refinement
Method	Details	Software
simulated annealing	refinement in explicit solvent (H2O)	CNS

NMR Ensemble Information
Conformer Selection Criteria	10 structure of lowest total and NOE energy
Conformers Calculated Total Number	1000
Conformers Submitted Total Number	10
Representative Model	1 (lowest total and noe energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	CNS		Brunger A. T. et.al.