6Y95

Ca2+-free Calmodulin mutant N53I

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	1.9 mM [U-99% 13C; U-99% 15N] Calmodulin N53I, 20 mM HEPES, 100 mM potassium chloride, 1 mM EDTA, 2 mM sodium azide, 0.05 mM TSP	95% H2O/5% D2O	105 mM	6.3	1 atm	298.1	Bruker AVANCE III 600
2	2D 1H-13C HSQC aliphatic	1.2 mM [U-99% 15N] Calmodulin N53I, 2 mM HEPES, 10 mM potassium chloride, 10 mM EDTA, 2 mM sodium azide, 0.05 mM TSP	95% H2O/5% D2O	105 mM	6.3	1 atm	298.1	Bruker AVANCE III 600
3	2D 1H-13C HSQC aromatic	1.9 mM [U-99% 13C; U-99% 15N] Calmodulin N53I, 20 mM HEPES, 100 mM potassium chloride, 1 mM EDTA, 2 mM sodium azide, 0.05 mM TSP	95% H2O/5% D2O	105 mM	6.3	1 atm	298.1	Bruker AVANCE III 600
4	3D HNCA	1.9 mM [U-99% 13C; U-99% 15N] Calmodulin N53I, 20 mM HEPES, 100 mM potassium chloride, 1 mM EDTA, 2 mM sodium azide, 0.05 mM TSP	95% H2O/5% D2O	105 mM	6.3	1 atm	298.1	Bruker AVANCE III 600
5	3D CBCA(CO)NH	1.9 mM [U-99% 13C; U-99% 15N] Calmodulin N53I, 20 mM HEPES, 100 mM potassium chloride, 1 mM EDTA, 2 mM sodium azide, 0.05 mM TSP	95% H2O/5% D2O	105 mM	6.3	1 atm	298.1	Bruker AVANCE III 600
10	3D HBHA(CO)NH	1.9 mM [U-99% 13C; U-99% 15N] Calmodulin N53I, 20 mM HEPES, 100 mM potassium chloride, 1 mM EDTA, 2 mM sodium azide, 0.05 mM TSP	95% H2O/5% D2O	105 mM	6.3	1 atm	298.1	Bruker AVANCE III 600
9	3D HCCH-TOCSY	1.9 mM [U-99% 13C; U-99% 15N] Calmodulin N53I, 20 mM HEPES, 100 mM potassium chloride, 1 mM EDTA, 2 mM sodium azide, 0.05 mM TSP	95% H2O/5% D2O	105 mM	6.3	1 atm	298.1	Bruker AVANCE III 800
19	3D HCCH-TOCSY	1.9 mM [U-99% 13C; U-99% 15N] Calmodulin N53I, 20 mM HEPES, 100 mM potassium chloride, 1 mM EDTA, 2 mM sodium azide, 0.05 mM TSP	95% H2O/5% D2O	105 mM	6.3	1 atm	298.1	Bruker AVANCE III 800
8	3D 1H-15N NOESY	1.9 mM [U-99% 13C; U-99% 15N] Calmodulin N53I, 20 mM HEPES, 100 mM potassium chloride, 1 mM EDTA, 2 mM sodium azide, 0.05 mM TSP	95% H2O/5% D2O	105 mM	6.3	1 atm	298.1	Bruker AVANCE III 800
7	3D 1H-13C NOESY aliphatic	1.9 mM [U-99% 13C; U-99% 15N] Calmodulin N53I, 20 mM HEPES, 100 mM potassium chloride, 1 mM EDTA, 2 mM sodium azide, 0.05 mM TSP	95% H2O/5% D2O	105 mM	6.3	1 atm	298.1	Bruker AVANCE III 800
6	3D 1H-13C NOESY aromatic	1.9 mM [U-99% 13C; U-99% 15N] Calmodulin N53I, 20 mM HEPES, 100 mM potassium chloride, 1 mM EDTA, 2 mM sodium azide, 0.05 mM TSP	95% H2O/5% D2O	105 mM	6.3	1 atm	298.1	Bruker AVANCE III 800
12	15N-T1	1.2 mM [U-99% 15N] Calmodulin N53I, 2 mM HEPES, 10 mM potassium chloride, 10 mM EDTA, 2 mM sodium azide, 0.05 mM TSP	95% H2O/5% D2O	42 mM	6.56	1 atm	298.1	Bruker AVANCE III 600
11	15N-T2	1.2 mM [U-99% 15N] Calmodulin N53I, 2 mM HEPES, 10 mM potassium chloride, 10 mM EDTA, 2 mM sodium azide, 0.05 mM TSP	95% H2O/5% D2O	42 mM	6.56	1 atm	298.1	Bruker AVANCE III 600
14	{1H}-15N-NOE	1.2 mM [U-99% 15N] Calmodulin N53I, 2 mM HEPES, 10 mM potassium chloride, 10 mM EDTA, 2 mM sodium azide, 0.05 mM TSP	95% H2O/5% D2O	42 mM	6.56	1 atm	298.1	Bruker AVANCE III 600
13	T2-relaxation dispersion	1.2 mM [U-99% 15N] Calmodulin N53I, 2 mM HEPES, 10 mM potassium chloride, 10 mM EDTA, 2 mM sodium azide, 0.05 mM TSP	95% H2O/5% D2O	42 mM	6.56	1 atm	298.1	Bruker AVANCE III 600
18	15N-T1	1.2 mM [U-99% 13C; U-99% 15N] Calmodulin, 2 mM HEPES, 10 mM potassium chloride, 10 mM EDTA, 2 mM sodium azide, 0.05 mM TSP	95% H2O/5% D2O	42 mM	6.53	1 atm	298.1	Bruker AVANCE III 600
17	15N-T2	1.2 mM [U-99% 13C; U-99% 15N] Calmodulin, 2 mM HEPES, 10 mM potassium chloride, 10 mM EDTA, 2 mM sodium azide, 0.05 mM TSP	95% H2O/5% D2O	42 mM	6.53	1 atm	298.1	Bruker AVANCE III 600
16	{1H}-15N-NOE	1.2 mM [U-99% 13C; U-99% 15N] Calmodulin, 2 mM HEPES, 10 mM potassium chloride, 10 mM EDTA, 2 mM sodium azide, 0.05 mM TSP	95% H2O/5% D2O	42 mM	6.53	1 atm	298.1	Bruker AVANCE III 600
15	T2-relaxation dispersion	1.2 mM [U-99% 13C; U-99% 15N] Calmodulin, 2 mM HEPES, 10 mM potassium chloride, 10 mM EDTA, 2 mM sodium azide, 0.05 mM TSP	95% H2O/5% D2O	42 mM	6.53	1 atm	298.1	Bruker AVANCE III 600

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE III	600
2	Bruker	AVANCE III	800

NMR Refinement
Method	Details	Software
simulated annealing		YASARA

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	30
Conformers Submitted Total Number	20
Representative Model	1 (target function)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	YASARA	14.12.2	YASARA Biosciences GmbH Dr. Elmar Krieger Wagramer Strasse 25/3/45 1220 Vienna Austria / Europe
2	structure calculation	CYANA	2.1	Guntert, Mumenthaler and Wuthrich
5	structure calculation	TALOS	TALOS+	Cornilescu, Delaglio and Bax
3	chemical shift assignment	CARA	1.8.4.2	Keller and Wuthrich
4	peak picking	CARA	1.8.4.2	Keller and Wuthrich
6	processing	TopSpin	3.0	Bruker Biospin