Experiment: 1K2H

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_15N-separated_NOESY	SAMPLE 1: S100A1, U-15N; 12-15mM d11-tris, 1-2mM EGTA, 0.3mM NaN3, 15-18mM NaCl; pH 6.4, 95% H2O, 5% D2O. SAMPLE 2: S100A1, U-13C,15N; 12-15mM d11-tris, 1-2mM EGTA, 0.3mM NaN3, 15-18mM NaCl; pH 6.4, 95% H2O, 5% D2O.	95% H2O/5% D2O	25mM	6.4	ambient	310
2	HNHA	SAMPLE 1: S100A1, U-15N; 12-15mM d11-tris, 1-2mM EGTA, 0.3mM NaN3, 15-18mM NaCl; pH 6.4, 95% H2O, 5% D2O. SAMPLE 2: S100A1, U-13C,15N; 12-15mM d11-tris, 1-2mM EGTA, 0.3mM NaN3, 15-18mM NaCl; pH 6.4, 95% H2O, 5% D2O.	95% H2O/5% D2O	25mM	6.4	ambient	310
3	2D 1H-15N HSQC	SAMPLE 1: S100A1, U-15N; 12-15mM d11-tris, 1-2mM EGTA, 0.3mM NaN3, 15-18mM NaCl; pH 6.4, 95% H2O, 5% D2O. SAMPLE 2: S100A1, U-13C,15N; 12-15mM d11-tris, 1-2mM EGTA, 0.3mM NaN3, 15-18mM NaCl; pH 6.4, 95% H2O, 5% D2O.	95% H2O/5% D2O	25mM	6.4	ambient	310
4	3D_15N_separated_HOHAHA	SAMPLE 1: S100A1, U-15N; 12-15mM d11-tris, 1-2mM EGTA, 0.3mM NaN3, 15-18mM NaCl; pH 6.4, 95% H2O, 5% D2O. SAMPLE 2: S100A1, U-13C,15N; 12-15mM d11-tris, 1-2mM EGTA, 0.3mM NaN3, 15-18mM NaCl; pH 6.4, 95% H2O, 5% D2O.	95% H2O/5% D2O	25mM	6.4	ambient	310
5	4D_13C-separated_NOESY	S100A1, U-13C,15N; 12-15mM d11-tris, 1-2mM EGTA, 0.3mM NaN3, 15-18mM NaCl; pH 6.4, 95% H2O, 5% D2O	95% H2O/5% D2O	25mM	6.4	ambient	310
6	3D HNCACB	S100A1, U-13C,15N; 12-15mM d11-tris, 1-2mM EGTA, 0.3mM NaN3, 15-18mM NaCl; pH 6.4, 95% H2O, 5% D2O	95% H2O/5% D2O	25mM	6.4	ambient	310

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DMX	600
2	Bruker	DRX	800

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

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations
Conformers Calculated Total Number	75
Conformers Submitted Total Number	20
Representative Model	17 (lowest energy)

Additional NMR Experimental Information
Details	This structure was determined using constraints generated from heteronuclear, multi-dimensional NMR experiments.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	2.6	Bruker Analytik GmbH
2	processing	NMRPipe	1.8	F. Delaglio
3	structure solution	X-PLOR	3.851	A. Brunger
4	structure solution	CHARMM		Harvard University
5	refinement	CHARMM		Harvard University

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.