8EF4

Solution structural bundle of bivalirudin - a bivalent hirudin based thrombin inhibitor

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 13C HSQC	16.67 mg/mL bivalirudin, 20 mM sodium phosphate	90% H2O/10% D2O	20 mM	4.6	1 atm	298	Bruker AVANCE III 600
2	2D 13C HSQC TOCSY	16.67 mg/mL bivalirudin, 20 mM sodium phosphate	90% H2O/10% D2O	20 mM	4.6	1 atm	298	Bruker AVANCE III 600
3	2D 13C HMBC	16.67 mg/mL bivalirudin, 20 mM sodium phosphate	90% H2O/10% D2O	20 mM	4.6	1 atm	298	Bruker AVANCE III 600
4	2D 15N HSQC	16.67 mg/mL bivalirudin, 20 mM sodium phosphate	90% H2O/10% D2O	20 mM	4.6	1 atm	298	Bruker AVANCE III 600
5	2D 15N HSQC TOCSY	16.67 mg/mL bivalirudin, 20 mM sodium phosphate	90% H2O/10% D2O	20 mM	4.6	1 atm	298	Bruker AVANCE III 600
6	2D 1H NOESY	16.67 mg/mL bivalirudin, 20 mM sodium phosphate	90% H2O/10% D2O	20 mM	4.6	1 atm	298	Bruker AVANCE III 600

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE III	600

NMR Refinement
Method	Details	Software
simulated annealing		X-PLOR NIH

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	5
Representative Model	1 (medoid)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	TopSpin		Bruker Biospin
2	processing	TopSpin		Bruker Biospin
3	chemical shift assignment	Sparky		Goddard
4	refinement	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
5	structure calculation	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore