Experiment: 2P7C

Solution structure of the bacillus licheniformis BlaI monomeric form in complex with the blaP half-operator.

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D_isotopically_doubly_filtered_13C_15N_NOESY_HSQC	2mM 13C,15N BlaI-NTD repressor in complex with blaP half-operator; 50mM NaH2PO4/Na2HPO4, 200mM KCl, 1mM EDTA, 1mM NaN3	90% H2O/10% D2O	200mM	7.6	ambient	298
2	3D_isotopically_doubly_filtered_13C_15N_NOESY_HSQC	2mM 13C,15N BlaI-NTD repressor in complex with blaP half-operator; 50mM NaH2PO4/Na2HPO4, 200mM KCl, 1mM EDTA, 1mM NaN3	90% H2O/10% D2O	200mM	7.6	ambient	298
3	2D_filtered_NOESY	2mM 13C,15N BlaI-NTD repressor in complex with blaP half-operator; 50mM NaH2PO4/Na2HPO4, 200mM KCl, 1mM EDTA, 1mM NaN3	100% D2O	200mM	7.6	ambient	298
4	methyl_selective_13C_HSQC	0.1mM 13C,15N BlaI-NTD repressor; 50mM NaH2PO4/Na2HPO4, 200mM KCl, 1mM EDTA, 1mM NaN3	90% H2O/10% D2O	200mM	7.6	ambient	298
5	15N_HSQC	0.1mM 13C,15N BlaI-NTD repressor; 50mM NaH2PO4/Na2HPO4, 200mM KCl, 1mM EDTA, 1mM NaN3	90% H2O/10% D2O	200mM	7.6	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	600
2	Varian	INOVA	800

NMR Refinement
Method	Details	Software
simulated annealing from randomized coordinates followed by restrained molecular dynamics.	structures used for refinement were generated from the docking procedure started with intermolecular nOe and ambiguous distance restraints proceeding from chemical shift mapping.	Discover

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	250
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Additional NMR Experimental Information
Details	The structure was determined using a de novo docking approach.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	Discover	2.98	Accelrys
2	refinement	Discover	2.98	Accelrys
3	processing	NMRPipe	2.3	Delaglio
4	collection	VnmrJ	2.1	Varian
5	data analysis	NMRView	5.2.2	Johnson