1MWN

Solution NMR structure of S100B bound to the high-affinity target peptide TRTK-12

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	4D_13C-separated_NOESY	2.2 mM S100B (subunit concentration), 5.2 mM CaCl2, 2.6 mM TRTK-12 peptide, 10 mM tris-d11, 15 mM NaCl, 0.1 mM EDTA, 5 mM DTT, 0.35 mM NaN3	95% H2O/5% D2O	25 mM	6.5	ambient	310
2	4D_13C/15N-separated_NOESY	2.2 mM S100B (subunit concentration), 5.2 mM CaCl2, 2.6 mM TRTK-12 peptide, 10 mM tris-d11, 15 mM NaCl, 0.1 mM EDTA, 5 mM DTT, 0.35 mM NaN3	95% H2O/5% D2O	25 mM	6.5	ambient	310
3	3D_15N-separated_NOESY	2.2 mM S100B (subunit concentration), 5.2 mM CaCl2, 2.6 mM TRTK-12 peptide, 10 mM tris-d11, 15 mM NaCl, 0.1 mM EDTA, 5 mM DTT, 0.35 mM NaN3	95% H2O/5% D2O	25 mM	6.5	ambient	310
4	2D NOESY	2.2 mM S100B (subunit concentration), 5.2 mM CaCl2, 2.6 mM TRTK-12 peptide, 10 mM tris-d11, 15 mM NaCl, 0.1 mM EDTA, 5 mM DTT, 0.35 mM NaN3	95% H2O/5% D2O	25 mM	6.5	ambient	310
5	3D 13C-filter NOESY	2.2 mM S100B (subunit concentration), 5.2 mM CaCl2, 2.6 mM TRTK-12 peptide, 10 mM tris-d11, 15 mM NaCl, 0.1 mM EDTA, 5 mM DTT, 0.35 mM NaN3	95% H2O/5% D2O	25 mM	6.5	ambient	310
6	2D TOCSY	2.2 mM S100B (subunit concentration), 5.2 mM CaCl2, 2.6 mM TRTK-12 peptide, 10 mM tris-d11, 15 mM NaCl, 0.1 mM EDTA, 5 mM DTT, 0.35 mM NaN3	95% H2O/5% D2O	25 mM	6.5	ambient	310
7	HNHA	2.2 mM S100B (subunit concentration), 5.2 mM CaCl2, 2.6 mM TRTK-12 peptide, 10 mM tris-d11, 15 mM NaCl, 0.1 mM EDTA, 5 mM DTT, 0.35 mM NaN3	95% H2O/5% D2O	25 mM	6.5	ambient	310

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DMX	600
2	Bruker	DRX	500

NMR Refinement
Method	Details	Software
distance geometry, simulated annealing		XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	20
Representative Model	2 (closest to the average)

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

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	2.0	Bruker
2	data analysis	NMRPipe		Delaglio
3	refinement	X-PLOR	3.851	Brunger

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.