2OPV

Solution NMR Structure of the Second Domain of KSRP

SOLUTION NMR

---

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D HNCACB	1mM KH2 U-15N,13C; 10mM Tris-HCl pH 7.4; 100mM NaCl; 1mM TCEP; 90% H2O, 10% D2O	90% H2O/10% D2O	100mM NaCl	7.4	ambient	300
2	3D HNCA	1mM KH2 U-15N,13C; 10mM Tris-HCl pH 7.4; 100mM NaCl; 1mM TCEP; 90% H2O, 10% D2O	90% H2O/10% D2O	100mM NaCl	7.4	ambient	300
3	3D HNCO	1mM KH2 U-15N,13C; 10mM Tris-HCl pH 7.4; 100mM NaCl; 1mM TCEP; 90% H2O, 10% D2O	90% H2O/10% D2O	100mM NaCl	7.4	ambient	300
4	3D_13C-NOESY-HSQC	1mM KH2 U-15N,13C; 10mM Tris-HCl pH 7.4; 100mM NaCl; 1mM TCEP; 90% H2O, 10% D2O	90% H2O/10% D2O	100mM NaCl	7.4	ambient	300
5	3D_15N-NOESY-HSQC	1mM KH2 U-15N; 10mM Tris-HCl pH 7.4; 100mM NaCl; 1mM TCEP; 90% H2O, 10% D2O	90% H2O/10% D2O	100mM NaCl	7.4	ambient	300
6	HNHA	1mM KH2 U-15N; 10mM Tris-HCl pH 7.4; 100mM NaCl; 1mM TCEP; 90% H2O, 10% D2O	90% H2O/10% D2O	100mM NaCl	7.4	ambient	300

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

NMR Refinement
Method	Details	Software
simulated annealing	the structures are based on a total of 2224 restraints, 2149 are NOE-derived distance constraints, 52 dihedral angle restraints, 23 distance restraints from hydrogen bonds.	VNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	25
Representative Model	1 (lowest energy)

Additional NMR Experimental Information
Details	The structure was determined using triple-resonance NMR spectroscopy.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	VNMR	1.1	Hall
2	processing	NMRPipe	2.5	Delaglio
3	data analysis	XEASY	2.0	Bartels
4	data analysis	Sparky	3.11	Goddard
5	structure solution	ARIA	1.2	Linge
6	refinement	ARIA	1.2	Linge