Experiment: 1Z23

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_15N-separated_NOESY	1.8mM protein U-15N, 20mM Tris U-2H, pH 7.9, 100mM NaCl, 5mM beta-mercaptoethanol, 1mM 4-(2-aminoethyl)benzene fluoride (AEBSF), 90% H2O, 10% D2O;	90% H2O/10% D2O	0.1	7.9	ambient	298
2	3D_13C-separated_NOESY	1.8mM protein U-13C, U-15N, 20mM Tris U-2H, pH 7.9, 100mM NaCl, 5mM beta-mercaptoethanol, 1mM 4-(2-aminoethyl)benzene fluoride (AEBSF), 90% H2O, 10% D2O	90% H2O/10% D2O	0.1	7.9	ambient	298
3	4D_13C-separated_NOESY	1.8mM protein U-13C, U-15N, 20mM Tris U-2H, pH 7.9, 100mM NaCl, 5mM beta-mercaptoethanol, 1mM 4-(2-aminoethyl)benzene fluoride (AEBSF), 90% H2O, 10% D2O	90% H2O/10% D2O	0.1	7.9	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	UNITYPLUS	500
2	Varian	INOVA	600
3	Varian	INOVA	750

NMR Refinement
Method	Details	Software
torsion angle dynamics	The calculation employed a total of 1562 unambiguous distance restraints (166 long range, 245 medium range, 346 sequential and 805 intraresidual), 6 ambiguous long-range distance restraints, 176 hydrogen bond restraints, 107 phi and 107 psi dihedral angle restraints, and 79 residual dipolar coupling restraints.	Felix

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	99
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

1Z23 | pdb_00001z23