1KFZ

Solution Structure of C-terminal Sem-5 SH3 Domain (Ensemble of 16 Structures)

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D 15N-NOESY-HSQC	1mM Sem-5 SH3 domain, both 15N, and 15N,13C labeled, 50 mM sodium acetate buffer, 10 mM CaCl2, 100 mM NaCl, pH 4.8, 90%H2O, 10%D2O	90%H20, 10%D2O	100 mM NaCl	4.8	ambient	298
2	3D 13C-NOESY-HSQC	1mM Sem-5 SH3 domain, both 15N, and 15N,13C labeled, 50 mM sodium acetate buffer, 10 mM CaCl2, 100 mM NaCl, pH 4.8, 90%H2O, 10%D2O	90%H20, 10%D2O	100 mM NaCl	4.8	ambient	298
3	HNHA	1mM Sem-5 SH3 domain, both 15N, and 15N,13C labeled, 50 mM sodium acetate buffer, 10 mM CaCl2, 100 mM NaCl, pH 4.8, 90%H2O, 10%D2O	90%H20, 10%D2O	100 mM NaCl	4.8	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	UNITYPLUS	400

NMR Refinement
Method	Details	Software
distance geometry, simulated annealing, molecular dynamics		Felix

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations,structures with the lowest energy
Conformers Calculated Total Number	50
Conformers Submitted Total Number	16
Representative Model	2 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	Felix	v.98	MSI
2	collection	VNMR	1.0	Varian
3	structure solution	CNS	1.0	Brunger, et al.
4	refinement	CNS	1.0	Brunger, et al.

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.