1G25

SOLUTION STRUCTURE OF THE N-TERMINAL DOMAIN OF THE HUMAN TFIIH MAT1 SUBUNIT

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D_NOESY	2 mM MAT1; 20 mM Tris-HCl pH 7.5; 90% H2O, 10% D2O	90% H2O/10% D2O		7.5	ambiant	298
2	DQF-COSY	2 mM MAT1; 20 mM Tris-HCl pH 7.5; 90% H2O, 10% D2O	90% H2O/10% D2O		7.5	ambiant	298
3	2D_TOCSY	2 mM MAT1; 20 mM Tris-HCl pH 7.5; 90% H2O, 10% D2O	90% H2O/10% D2O		7.5	ambiant	298
4	2D_NOESY	2 mM MAT1; 20 mM Tris-HCl pH 7.5; 90% H2O, 10% D2O	90% H2O/10% D2O		7.5	ambiant	290
5	DQF-COSY	2 mM MAT1; 20 mM Tris-HCl pH 7.5; 90% H2O, 10% D2O	90% H2O/10% D2O		7.5	ambiant	290
6	2D_NOESY	2 mM MAT1; 20 mM Tris-HCl pH 7.5; 90% H2O, 10% D2O	90% H2O/10% D2O		7.5	ambiant	283

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

NMR Refinement
Method	Details	Software
simulated annealing	the structures are based on a total of 988 restraints, 897 are NOE-derived distance constraints, 72 dihedral angle restraints,11 distance restraints from hydrogen bonds and 8 distance restraints from the zinc binding.	X-PLOR

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations,structures with the lowest energy
Conformers Calculated Total Number	57
Conformers Submitted Total Number	20
Representative Model	1 (fewest violations,lowest energy)

Additional NMR Experimental Information
Details	This structure was determined using standard 2D homonuclear techniques.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	X-PLOR	3.8	Brunger
2	refinement	X-PLOR	3.8	Brunger
3	collection	XwinNMR	1.3	Bruker
4	processing	XwinNMR	1.3	Bruker
5	data analysis	XEASY	1.3.13	Bartels