1WPK | pdb_00001wpk

Methylated Form of N-terminal Transcriptional Regulator Domain of Escherichia Coli Ada Protein

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_15N-separated_NOESY	1mM Protein U-15N,13C; 50mM phosphate buffer with 5mM 2-mercaptoethanol NA; 85% H2O, 15% D2O	85% H2O, 15% D2O	300mM NaCl	6.5	ambient	303
2	3D_13C-separated_NOESY	1mM Protein U-15N,13C; 50mM phosphate buffer with 5mM 2-mercaptoethanol ; 99.9% D2O	99.9% D2O	300mM NaCl	6.5	ambient	303

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

NMR Refinement
Method	Details	Software
distance geometry, simulated annealing, torsion angle dynamics	The structures are based on a total of 1991 restraints; 1735 are NOE-derived distance constraints, 148 dihedral angle restraints, 94 distance restraints from hydrogen bonds and 14 zinc-thiolate center distance restraints.	CNS

NMR Ensemble Information
Conformer Selection Criteria	The submitted conformer models are the 17 structures with the lowest energy
Conformers Calculated Total Number	25
Conformers Submitted Total Number	17
Representative Model	12 (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	structure solution	CNS	1.1
2	refinement	CNS	1.1