2MYZ

The Solution Structure of the Magnesium-bound Conantokin-R1B Mutant

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	10 mM [U-100% 2H] HEPES, 0.1 % DSS, 40 mM magnesium chloride	90% H2O/10% D2O		7	ambient	298
2	2D 1H-13C HSQC	10 mM [U-100% 2H] HEPES, 0.1 % DSS, 40 mM magnesium chloride	90% H2O/10% D2O		7	ambient	298
3	2D 1H-1H TOCSY	10 mM [U-100% 2H] HEPES, 0.1 % DSS, 40 mM magnesium chloride	90% H2O/10% D2O		7	ambient	298
4	2D DQF-COSY	10 mM [U-100% 2H] HEPES, 0.1 % DSS, 40 mM magnesium chloride	90% H2O/10% D2O		7	ambient	298
5	2D 1H-1H NOESY	10 mM [U-100% 2H] HEPES, 0.1 % DSS, 40 mM magnesium chloride	90% H2O/10% D2O		7	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	800

NMR Refinement
Method	Details	Software
simulated annealing		X-PLOR NIH

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations
Conformers Calculated Total Number	200
Conformers Submitted Total Number	19
Representative Model	1 (fewest violations)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
2	chemical shift assignment	TopSpin		Bruker Biospin
3	peak picking	Sparky		Goddard
4	structure solution	Procheck		Laskowski, MacArthur, Smith, Jones, Hutchinson, Morris, Moss and Thornton
5	data analysis	TALOS		Cornilescu, Delaglio and Bax
6	refinement	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore