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