1SCV

NMR STRUCTURE OF THE C TERMINAL DOMAIN OF CARDIAC TROPONIN C BOUND TO THE N TERMINAL DOMAIN OF CARDIAC TROPONIN I

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	15N-HSQC, 15N-NOESY-HSQC	1MM [15N,13C]CTNC(81-161)/CTNI(33-80), 20MM TRIS-D11, 100MM KCL, 20MM DTT, 15MM CACL2, 0.1MM LEUPETIN, 0.1MM PEFABLOC; 90% H2O, 10% D2O	90% H2O/10% D2O	100mM KCL, 15mM CACL2	6.80	AMBIENT	318.00
2	15N-TOCSY-HSQC, HNCO, HNCACB	1MM [15N,13C]CTNC(81-161)/CTNI(33-80), 20MM TRIS-D11, 100MM KCL, 20MM DTT, 15MM CACL2, 0.1MM LEUPETIN, 0.1MM PEFABLOC; 90% H2O, 10% D2O	90% H2O/10% D2O	100mM KCL, 15mM CACL2	6.80	AMBIENT	318.00
3	(HB)CBCA(CO)NNH, H(CCO)NH	1MM [15N,13C]CTNC(81-161)/CTNI(33-80), 20MM TRIS-D11, 100MM KCL, 20MM DTT, 15MM CACL2, 0.1MM LEUPETIN, 0.1MM PEFABLOC; 90% H2O, 10% D2O	90% H2O/10% D2O	100mM KCL, 15mM CACL2	6.80	AMBIENT	318.00
4	C(CO)NH, (HB)CB(CGCD)HD	1MM [15N,13C]CTNC(81-161)/CTNI(33-80), 20MM TRIS-D11, 100MM KCL, 20MM DTT, 15MM CACL2, 0.1MM LEUPETIN, 0.1MM PEFABLOC; 90% H2O, 10% D2O	90% H2O/10% D2O	100mM KCL, 15mM CACL2	6.80	AMBIENT	318.00
5	(HB)CB(CGCDCE)HE, CN-NOESY-HSQC, HNHA, HNHB	1MM [15N,13C]CTNC(81-161)/CTNI(33-80), 20MM TRIS-D11, 100MM KCL, 20MM DTT, 15MM CACL2, 0.1MM LEUPETIN, 0.1MM PEFABLOC; 90% H2O, 10% D2O	90% H2O/10% D2O	100mM KCL, 15mM CACL2	6.80	AMBIENT	318.00
6	AB-TROSY	1MM [15N,13C]CTNC(81-161)/CTNI(33-80), 20MM TRIS-D11, 100MM KCL, 20MM DTT, 15MM CACL2, 0.1MM LEUPETIN, 0.1MM PEFABLOC; 90% H2O, 10% D2O	90% H2O/10% D2O	100mM KCL, 15mM CACL2	6.80	AMBIENT	318.00

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	600
2	Varian	INOVA	800

NMR Refinement
Method	Details	Software
DGSA	The structures are based on a total of 926 restraints, 787 are NOE-derived distance restraints, 91 dihedral angle restraints, 4 distance restraints from hydrogen bonds and 44 dipolar coupling restraints.	Felix

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	20
Conformers Submitted Total Number	20
Representative Model	7 (lowest energy)

Additional NMR Experimental Information
Details	BEST 20 STRUCTURES. THESE STRUCTURES WERE DETERMINED USING TRIPLE-RESONANCE NMR SPECTROSCOPY ON CA2+_SATURATED 15N, 13C-CTNC(81-161) BOUND TO CTNI(33-80).

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	Felix	2000	Accelrys
2	refinement	CNS	1.0	Brunger
3	refinement	CNX	1.0	Accelrys

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.