5TP5

Solution structure of the calcium deficient mutant calmodulin CaM1234

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	100 mM potassium chloride, 1 mM [U-99% 13C; U-99% 15N] CaM1234, 0.2 mM sodium azide, 0.2 mM EDTA	90% H2O/10% D2O	150 mM	6.0	1 atm	298	Bruker DRX 600
2	3D HNCA	100 mM potassium chloride, 1 mM [U-99% 13C; U-99% 15N] CaM1234, 0.2 mM sodium azide, 0.2 mM EDTA	90% H2O/10% D2O	150 mM	6.0	1 atm	298	Bruker DRX 600
3	3D CBCA(CO)NH	100 mM potassium chloride, 1 mM [U-99% 13C; U-99% 15N] CaM1234, 0.2 mM sodium azide, 0.2 mM EDTA	90% H2O/10% D2O	150 mM	6.0	1 atm	298	Bruker DRX 600
4	3D HCCH-TOCSY	100 mM potassium chloride, 1 mM [U-99% 13C; U-99% 15N] CaM1234, 0.2 mM sodium azide, 0.2 mM EDTA	90% H2O/10% D2O	150 mM	6.0	1 atm	298	Bruker DRX 600
5	3D 1H-15N NOESY	100 mM potassium chloride, 1 mM [U-99% 13C; U-99% 15N] CaM1234, 0.2 mM sodium azide, 0.2 mM EDTA	90% H2O/10% D2O	150 mM	6.0	1 atm	298	Bruker DRX 600
6	3D 1H-13C NOESY	100 mM potassium chloride, 1 mM [U-99% 13C; U-99% 15N] CaM1234, 0.2 mM sodium azide, 0.2 mM EDTA	90% H2O/10% D2O	150 mM	6.0	1 atm	298	Bruker DRX 600

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

NMR Refinement
Method	Details	Software
simulated annealing		CNS

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

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	CNS		Brunger, Adams, Clore, Gros, Nilges and Read
2	structure calculation	CNS		Brunger, Adams, Clore, Gros, Nilges and Read
3	chemical shift assignment	CARA		Keller and Wuthrich
4	peak picking	CARA		Keller and Wuthrich