1I18

SOLUTION STRUCTURE OF THE N-TERMINAL DOMAIN OF RIBOFLAVIN SYNTHASE FROM E. COLI

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_13C-SEPARATED_NOESY	1 MM U-15N,13C RIBOFLAVIN Synthase + unlabelled riboflavin	90% H2O/10% D2O	50 mM	7.30	AMBIENT	300.00
2	NCH-NOESY	1 MM U-15N,13C RIBOFLAVIN Synthase + unlabelled riboflavin	90% H2O/10% D2O	50 mM	7.30	AMBIENT	300.00
3	CCH-NOESY	1 MM U-15N,13C RIBOFLAVIN Synthase + unlabelled riboflavin	90% H2O/10% D2O	50 mM	7.30	AMBIENT	300.00
4	CNH-NOESY	1 MM U-15N,13C RIBOFLAVIN Synthase + unlabelled riboflavin	90% H2O/10% D2O	50 mM	7.30	AMBIENT	300.00
5	3D_15N-SEPARATED_NOESY	1 MM U-15N RIBOFLAVIN Synthase + unlabelled riboflavin	90% H2O/10% D2O	50 mM	7.30	AMBIENT	300.00
6	NNH-NOESY	1 MM U-15N RIBOFLAVIN Synthase + unlabelled riboflavin	90% H2O/10% D2O	50 mM	7.30	AMBIENT	300.00
7	2D 12C-FILTERED-13C-EDITED NOESY	1 MM U-15N RIBOFLAVIN Synthase + U-15N,13C riboflavin	90% H2O/10% D2O	50 mM	7.30	AMBIENT	300.00
8	HNHA	1 MM U-15N RIBOFLAVIN Synthase + unlabelled riboflavin	90% H2O/10% D2O	50 mM	7.30	AMBIENT	300.00
9	2D 12C-FILTERED-13C-EDITED NOESY	1 MM U-15N,13C RIBOFLAVIN Synthase + unlabelled riboflavin	90% H2O/10% D2O	50 mM	7.30	AMBIENT	300.00

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DMX	600
2	Bruker	DMX	750

NMR Refinement
Method	Details	Software
simulated annealing	STRUCTURES BASED ON 2569 NOE RESTRAINTS (353*2 INTRARES., 365*2 SEQUENTIAL, 159*2 MEDIUM-RANGE, 372*2 LONG-RANGE, 71 INTERMOLECULAR) 56*2 DIHEDRAL RESTRAINTS, 42*2 H-BONDS	X-PLOR

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations
Conformers Calculated Total Number	50
Conformers Submitted Total Number	21
Representative Model	5 (closest to the average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	X-PLOR
2	structure solution	XWINNMR
3	structure solution	AURELIA
4	structure solution	X-PLOR