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SOLUTION STRUCTURE OF THE C TERMINAL OF MU B TRANSPOSITION PROTEIN
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
3D_13C-separated_NOESY
0.75 mM Mu B U-15N,13C; 20 mM phosphate buffer
100% D2O
1.5 M NaCl
6.8
ambient
298
2
3D_15N-separated_NOESY
0.75 mM Mu B U-15N; 20 mM phosphate buffer
90% H20, 10% D2O
1.5 M NaCl
6.8
ambient
298
3
HNHA
0.75 mM Mu B U-15N; 20 mM phosphate buffer
90% H20, 10% D2O
1.5 M NaCl
6.8
ambient
298
4
3D_15N-separated TOCSY
0.75 mM Mu B U-15N; 20 mM phosphate buffer
90% H20, 10% D2O
1.5 M NaCl
6.8
ambient
298
5
2D NOESY
0.75 mM Mu B NA; 20 mM phosphate buffer
100% D2O
1.5 M NaCl
6.8
ambient
298
6
2D TOCSY
0.75 mM Mu B NA; 20 mM phosphate buffer
100% D2O
1.5 M NaCl
6.8
ambient
298
7
15N-HSQC
Mu B U-15N-(combinations of Leu, Ile, Gly, Ser, Glu, Arg, Ala),20 mM phosphate buffer
90% H20, 10% D2O
1.5 M NaCl
6.8
ambient
298
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Varian
UNITY
500
NMR Refinement
Method
Details
Software
simulated annealing
The structures are based on a total of 1047 NOE derived, and 55 dihedral constraints.
There are no long-range NOEs observed for the first 8 residues which are disordered.
X-PLOR
NMR Ensemble Information
Conformer Selection Criteria
structures with lowest energy and no restraint violations with phi psi angles in allowed regions
Conformers Calculated Total Number
100
Conformers Submitted Total Number
20
Representative Model
1 (lowest energy)
Additional NMR Experimental Information
Details
High ionic conditions precluded many of the standard triple resonance experiments.