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SOLUTION STRUCTURE OF BEF3-ACTIVATED CHEY FROM ESCHERICHIA COLI
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
4D_13C-SEPARATED_NOESY
4 MM CHEY U-15N, 13C, 16 MM BECL2, 100 MM NAF, 20 MM MGCL2, PH 6.7
16 mM BECL2, 100 mM NAF, 20 mM MGCL2
6.7
AMBIENT
298
2
4D_13C/15N-SEPARATED_NOESY
4 MM CHEY U-15N, 13C, 16 MM BECL2, 100 MM NAF, 20 MM MGCL2, PH 6.7
16 mM BECL2, 100 mM NAF, 20 mM MGCL2
6.7
AMBIENT
298
3
3D_15N-SEPARATED_NOESY
3 MM U-15N, 16 MM BECL2, 100 MM NAF, 20 MM MGCL2, PH 6.7
16 mM BECL2, 100 mM NAF, 20 mM MGCL2
6.7
AMBIENT
298
4
15N HMQC-J
3 MM U-15N, 16 MM BECL2, 100 MM NAF, 20 MM MGCL2, PH 6.7
16 mM BECL2, 100 mM NAF, 20 mM MGCL2
6.7
AMBIENT
298
5
13C CONSTANT-TIME HMQC-J
4 MM CHEY U-15N, 13C, 16 MM BECL2, 100 MM NAF, 20 MM MGCL2, PH 6.7
16 mM BECL2, 100 mM NAF, 20 mM MGCL2
6.7
AMBIENT
298
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Bruker
AMX
600
NMR Refinement
Method
Details
Software
torsion angle dynamics
THE STRUCTURES ARE BASED ON A TOTAL OF 972 NON-TRIVIAL NOE RESTRAINTS (213
INTRA RESIDUE, 271 SEQUENTIAL, 238 MEDIUM-RANGE, AND 250 LONG-RANGE). 78 PHI
TORSION ANGLE RESTRAINTS AND 17 CHI1 RESTRAINTS WERE USED. 47 HYDROGEN BONDS (
94 UPPER AND LOWER DISTANCE RESTRAINTS) WERE USED IN LATER STAGES OF REFINEMENT.
DYANA
NMR Ensemble Information
Conformer Selection Criteria
structures with the least restraint violations
Conformers Calculated Total Number
60
Conformers Submitted Total Number
27
Representative Model
1 (fewest violations)
Additional NMR Experimental Information
Details
THE STRUCTURE WAS DETERMINED USING TRIPLE-RESONANCE NMR SPECTROSCOPY.