2MES

Backbone 1H, 13C, 15N resonance assignments of calcium-bound calmodulin in complex with PSD95 N-terminal peptide

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	400 uM [U-99% 13C; U-99% 15N] Calmodulin, PSD95NT, DTT, Tris, CaCl2, 600 uM PSD95_N-terminal_peptide, 20 mM Tris-d11, 50 mM NaCl, 5 mM CaCl2, 5 mM DTT-d, 93 % H2O, 7 % D2O	93% H2O/7% D2O	0.1	7.0	ambient	310
2	3D CBCA(CO)NH	400 uM [U-99% 13C; U-99% 15N] Calmodulin, PSD95NT, DTT, Tris, CaCl2, 600 uM PSD95_N-terminal_peptide, 20 mM Tris-d11, 50 mM NaCl, 5 mM CaCl2, 5 mM DTT-d, 93 % H2O, 7 % D2O	93% H2O/7% D2O	0.1	7.0	ambient	310
3	3D HNCACB	400 uM [U-99% 13C; U-99% 15N] Calmodulin, PSD95NT, DTT, Tris, CaCl2, 600 uM PSD95_N-terminal_peptide, 20 mM Tris-d11, 50 mM NaCl, 5 mM CaCl2, 5 mM DTT-d, 93 % H2O, 7 % D2O	93% H2O/7% D2O	0.1	7.0	ambient	310
4	3D HNCO	400 uM [U-99% 13C; U-99% 15N] Calmodulin, PSD95NT, DTT, Tris, CaCl2, 600 uM PSD95_N-terminal_peptide, 20 mM Tris-d11, 50 mM NaCl, 5 mM CaCl2, 5 mM DTT-d, 93 % H2O, 7 % D2O	93% H2O/7% D2O	0.1	7.0	ambient	310
5	3D HBHA(CO)NH	400 uM [U-99% 13C; U-99% 15N] Calmodulin, PSD95NT, DTT, Tris, CaCl2, 600 uM PSD95_N-terminal_peptide, 20 mM Tris-d11, 50 mM NaCl, 5 mM CaCl2, 5 mM DTT-d, 93 % H2O, 7 % D2O	93% H2O/7% D2O	0.1	7.0	ambient	310

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

NMR Refinement
Method	Details	Software
simulated annealing		NMRPipe

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
2	peak picking	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
3	processing	NMRPipe		Goddard
4	peak picking	NMRPipe		Goddard
5	refinement	CNS