2LQC

NMR solution structure of a Ca2+-Calmodulin with a binding motif (NSCaTE) peptide from the N-terminal cytoplasmic domain of the L-type Voltage-Cated Calcium Channel alpha1C subunit

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 mM [U-100% 13C; U-100% 15N] calmodulin, 2 mM NSCaTE peptide, 55 M H2O, 5 M [U-99% 2H] D2O, 10 mM DTT, 20 mM TRIS	90% H2O/10% D2O	100	7.0	ambient	298
2	3D HNCACB	1 mM [U-100% 13C; U-100% 15N] calmodulin, 2 mM NSCaTE peptide, 55 M H2O, 5 M [U-99% 2H] D2O, 10 mM DTT, 20 mM TRIS	90% H2O/10% D2O	100	7.0	ambient	298
3	3D CBCA(CO)NH	1 mM [U-100% 13C; U-100% 15N] calmodulin, 2 mM NSCaTE peptide, 55 M H2O, 5 M [U-99% 2H] D2O, 10 mM DTT, 20 mM TRIS	90% H2O/10% D2O	100	7.0	ambient	298
4	3D HNCO	1 mM [U-100% 13C; U-100% 15N] calmodulin, 2 mM NSCaTE peptide, 55 M H2O, 5 M [U-99% 2H] D2O, 10 mM DTT, 20 mM TRIS	90% H2O/10% D2O	100	7.0	ambient	298
5	3D HCACO	1 mM [U-100% 13C; U-100% 15N] calmodulin, 2 mM NSCaTE peptide, 55 M H2O, 5 M [U-99% 2H] D2O, 10 mM DTT, 20 mM TRIS	90% H2O/10% D2O	100	7.0	ambient	298
6	3D C(CO)NH	1 mM [U-100% 13C; U-100% 15N] calmodulin, 2 mM NSCaTE peptide, 55 M H2O, 5 M [U-99% 2H] D2O, 10 mM DTT, 20 mM TRIS	90% H2O/10% D2O	100	7.0	ambient	298
7	3D HCCH-TOCSY	1 mM [U-100% 13C; U-100% 15N] calmodulin, 2 mM NSCaTE peptide, 55 M H2O, 5 M [U-99% 2H] D2O, 10 mM DTT, 20 mM TRIS	90% H2O/10% D2O	100	7.0	ambient	298
8	3D HBHA(CO)NH	1 mM [U-100% 13C; U-100% 15N] calmodulin, 2 mM NSCaTE peptide, 55 M H2O, 5 M [U-99% 2H] D2O, 10 mM DTT, 20 mM TRIS	90% H2O/10% D2O	100	7.0	ambient	298
9	3D H(CCO)NH	1 mM [U-100% 13C; U-100% 15N] calmodulin, 2 mM NSCaTE peptide, 55 M H2O, 5 M [U-99% 2H] D2O, 10 mM DTT, 20 mM TRIS	90% H2O/10% D2O	100	7.0	ambient	298
10	3D 1H-13C NOESY aliphatic	1 mM [U-100% 13C; U-100% 15N] calmodulin, 2 mM NSCaTE peptide, 55 M H2O, 5 M [U-99% 2H] D2O, 10 mM DTT, 20 mM TRIS	90% H2O/10% D2O	100	7.0	ambient	298
11	3D 1H-15N NOESY	1 mM [U-100% 13C; U-100% 15N] calmodulin, 2 mM NSCaTE peptide, 55 M H2O, 5 M [U-99% 2H] D2O, 10 mM DTT, 20 mM TRIS	90% H2O/10% D2O	100	7.0	ambient	298
12	2D 1H-15N HSQC	1 mM [U-100% 13C; U-100% 15N] NSCaTE peptide, 0.5 mM calmodulin, 55 M H2O, 5 M [U-99% 2H] D2O, 10 mM DTT, 20 mM TRIS	90% H2O/10% D2O	100	7.0	ambient	298
13	3D HNCACB	1 mM [U-100% 13C; U-100% 15N] NSCaTE peptide, 0.5 mM calmodulin, 55 M H2O, 5 M [U-99% 2H] D2O, 10 mM DTT, 20 mM TRIS	90% H2O/10% D2O	100	7.0	ambient	298
14	3D CBCA(CO)NH	1 mM [U-100% 13C; U-100% 15N] NSCaTE peptide, 0.5 mM calmodulin, 55 M H2O, 5 M [U-99% 2H] D2O, 10 mM DTT, 20 mM TRIS	90% H2O/10% D2O	100	7.0	ambient	298
15	3D HNCO	1 mM [U-100% 13C; U-100% 15N] NSCaTE peptide, 0.5 mM calmodulin, 55 M H2O, 5 M [U-99% 2H] D2O, 10 mM DTT, 20 mM TRIS	90% H2O/10% D2O	100	7.0	ambient	298
16	3D HCACO	1 mM [U-100% 13C; U-100% 15N] NSCaTE peptide, 0.5 mM calmodulin, 55 M H2O, 5 M [U-99% 2H] D2O, 10 mM DTT, 20 mM TRIS	90% H2O/10% D2O	100	7.0	ambient	298
17	3D C(CO)NH	1 mM [U-100% 13C; U-100% 15N] NSCaTE peptide, 0.5 mM calmodulin, 55 M H2O, 5 M [U-99% 2H] D2O, 10 mM DTT, 20 mM TRIS	90% H2O/10% D2O	100	7.0	ambient	298
18	3D HCCH-TOCSY	1 mM [U-100% 13C; U-100% 15N] NSCaTE peptide, 0.5 mM calmodulin, 55 M H2O, 5 M [U-99% 2H] D2O, 10 mM DTT, 20 mM TRIS	90% H2O/10% D2O	100	7.0	ambient	298
19	3D HBHA(CO)NH	1 mM [U-100% 13C; U-100% 15N] NSCaTE peptide, 0.5 mM calmodulin, 55 M H2O, 5 M [U-99% 2H] D2O, 10 mM DTT, 20 mM TRIS	90% H2O/10% D2O	100	7.0	ambient	298
20	3D H(CCO)NH	1 mM [U-100% 13C; U-100% 15N] NSCaTE peptide, 0.5 mM calmodulin, 55 M H2O, 5 M [U-99% 2H] D2O, 10 mM DTT, 20 mM TRIS	90% H2O/10% D2O	100	7.0	ambient	298
21	3D 1H-13C NOESY aliphatic	1 mM [U-100% 13C; U-100% 15N] NSCaTE peptide, 0.5 mM calmodulin, 55 M H2O, 5 M [U-99% 2H] D2O, 10 mM DTT, 20 mM TRIS	90% H2O/10% D2O	100	7.0	ambient	298
22	3D 1H-15N NOESY	1 mM [U-100% 13C; U-100% 15N] NSCaTE peptide, 0.5 mM calmodulin, 55 M H2O, 5 M [U-99% 2H] D2O, 10 mM DTT, 20 mM TRIS	90% H2O/10% D2O	100	7.0	ambient	298
23	2D 1H-15N HSQC	1 mM [U-100% 13C; U-100% 15N] calmodulin, 2 mM NSCaTE peptide, 7.5 mg Pf1 phage	90% H2O/10% D2O	100	7.0	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	500

NMR Refinement
Method	Details	Software
simulated annealing		CYANA

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	CYANA	2.1	Guntert, Mumenthaler and Wuthrich
2	processing	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
3	chemical shift assignment	NMRView		Johnson, One Moon Scientific
4	peak picking	NMRView		Johnson, One Moon Scientific
5	refinement	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
6	data analysis	TALOS		Cornilescu, Delaglio and Bax
7	collection	XwinNMR		Bruker Biospin