6UT2

3D structure of the leiomodin/tropomyosin binding interface

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	0.3 mM [U-15N] leiomodin peptide, 0.6 mM tropomyosin peptide	90% H2O/10% D2O	0.081 M	6.5	1 atm	298	Varian VNMRS 600
2	2D 1H-15N HSQC	0.5 mM [U-13C; U-15N] leiomodin peptide, 1 mM tropomyosin peptide	90% H2O/10% D2O	0.081 M	6.5	1 atm	298	Varian INOVA 500
3	2D 1H-15N HSQC	0.5 mM [U-13C; U-15N] tropomyosin peptide, 1 mM leiomodin peptide	90% H2O/10% D2O	0.081 M	6.5	1 atm	298	Varian INOVA 500
5	2D 1H-13C HSQC aliphatic	0.5 mM [U-13C; U-15N] leiomodin peptide, 1 mM tropomyosin peptide	90% H2O/10% D2O	0.081 M	6.5	1 atm	298	Varian INOVA 500
6	2D 1H-13C HSQC aromatic	0.5 mM [U-13C; U-15N] leiomodin peptide, 1 mM tropomyosin peptide	90% H2O/10% D2O	0.081 M	6.5	1 atm	298	Varian INOVA 500
7	3D HNCO	0.5 mM [U-13C; U-15N] leiomodin peptide, 1 mM tropomyosin peptide	90% H2O/10% D2O	0.081 M	6.5	1 atm	298	Varian INOVA 500
8	3D HN(CO)CA	0.5 mM [U-13C; U-15N] leiomodin peptide, 1 mM tropomyosin peptide	90% H2O/10% D2O	0.081 M	6.5	1 atm	298	Varian INOVA 500
9	3D HNCA	0.5 mM [U-13C; U-15N] leiomodin peptide, 1 mM tropomyosin peptide	90% H2O/10% D2O	0.081 M	6.5	1 atm	298	Varian INOVA 500
10	3D CBCA(CO)NH	0.5 mM [U-13C; U-15N] leiomodin peptide, 1 mM tropomyosin peptide	90% H2O/10% D2O	0.081 M	6.5	1 atm	298	Varian INOVA 500
11	3D HBHA(CO)NH	0.5 mM [U-13C; U-15N] leiomodin peptide, 1 mM tropomyosin peptide	90% H2O/10% D2O	0.081 M	6.5	1 atm	298	Varian INOVA 500
12	3D HCCH-TOCSY	0.5 mM [U-13C; U-15N] leiomodin peptide, 1 mM tropomyosin peptide	90% H2O/10% D2O	0.081 M	6.5	1 atm	298	Varian INOVA 500
13	3D 1H-15N NOESY	0.5 mM [U-13C; U-15N] leiomodin peptide, 1 mM tropomyosin peptide	90% H2O/10% D2O	0.081 M	6.5	1 atm	298	Varian INOVA 500
14	3D 1H-13C NOESY	0.5 mM [U-13C; U-15N] leiomodin peptide, 1 mM tropomyosin peptide	90% H2O/10% D2O	0.081 M	6.5	1 atm	298	Varian VNMRS 600
15	3D HNCO	0.5 mM [U-13C; U-15N] tropomyosin peptide, 1 mM leiomodin peptide	90% H2O/10% D2O	0.081 M	6.5	1 atm	298	Varian INOVA 500
16	3D HN(CO)CA	0.5 mM [U-13C; U-15N] tropomyosin peptide, 1 mM leiomodin peptide	90% H2O/10% D2O	0.081 M	6.5	1 atm	298	Varian INOVA 500
17	3D HNCA	0.5 mM [U-13C; U-15N] tropomyosin peptide, 1 mM leiomodin peptide	90% H2O/10% D2O	0.081 M	6.5	1 atm	298	Varian INOVA 500
18	3D CBCA(CO)NH	0.5 mM [U-13C; U-15N] tropomyosin peptide, 1 mM leiomodin peptide	90% H2O/10% D2O	0.081 M	6.5	1 atm	298	Varian INOVA 500
20	3D HCCH-TOCSY	0.5 mM [U-13C; U-15N] tropomyosin peptide, 1 mM leiomodin peptide	90% H2O/10% D2O	0.081 M	6.5	1 atm	298	Varian INOVA 500
21	3D HNCACB	0.5 mM [U-13C; U-15N] tropomyosin peptide, 1 mM leiomodin peptide	90% H2O/10% D2O	0.081 M	6.5	1 atm	298	Varian INOVA 500
22	2D 1H-15N HSQC	0.5 mM [U-13C; U-15N] tropomyosin peptide, 1 mM leiomodin peptide	90% H2O/10% D2O	0.081 M	6.5	1 atm	298	Varian VNMRS 600
23	3D 1H-15N NOESY	0.5 mM [U-13C; U-15N] tropomyosin peptide, 1 mM leiomodin peptide	90% H2O/10% D2O	0.081 M	6.5	1 atm	298	Varian VNMRS 600

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	VNMRS	600
2	Varian	INOVA	500

NMR Refinement
Method	Details	Software
molecular dynamics		Amber

NMR Ensemble Information
Conformer Selection Criteria	structures with acceptable covalent geometry
Conformers Calculated Total Number	20
Conformers Submitted Total Number	10
Representative Model	1 (closest to the average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	Amber		Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, and Kollman
2	structure calculation	TALOS	TALOS+	Cornilescu, Delaglio and Bax
3	chemical shift assignment	NMRView	NMRViewJ Version 9.2.0-b4 with Java 1.8.0_92 x86_64	Johnson, One Moon Scientific
4	peak picking	NMRView	NMRViewJ Version 9.2.0-b4 with Java 1.8.0_92 x86_64	Johnson, One Moon Scientific