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SOLUTION STRUCTURE OF THE CATALYTIC DOMAIN OF GAMMA DELTA RESOLVASE
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
3D_15N-SEPARATED_NOESY
0.002 M GAMMA DELTA RESOLVASE (1-105) U-15N; 0.020 M PHOSPHATE BUFFER, PH 6.5; 90% H2O, 10% D2O
1M
6.50
1 atm
298.00
2
HNHA
0.002 M GAMMA DELTA RESOLVASE (1-105) U-15N; 0.020 M PHOSPHATE BUFFER, PH 6.5; 90% H2O, 10% D2O
1M
6.50
1 atm
298.00
3
3D_13C-SEPARATED_ NOESY
0.002 M GAMMA DELTA RESOLVASE (1-105) U-15N; 0.020 M PHOSPHATE BUFFER, PH 6.5; 90% H2O, 10% D2O
1M
6.50
1 atm
298.00
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Varian
INOVA
600
2
Varian
INOVA
500
NMR Refinement
Method
Details
Software
TORSION ANGLE DYNAMICS AND SIMULATED ANNEALING
THE NMR RESTRAINTS INCLUDED 2109 USEFUL NOE DETERMINED UPPER DISTANCE RESTRAINTS, 35 HYDROGEN BONDS, AND 297 TORSION ANGLE RESTRAINTS. STRUCTURES WERE CALCULATED IN THE DYANA USING TORSION ANGLE DYNAMICS. THE CALCULATION STARTED WITH 200 RANDOMIZED STRUCTURES. THE 19 STRUCTURES WITH THE LOWEST TARGET FUNCTION WERE REFINED WITHIN XPLOR USING SIMULATED ANNEALING. THE 19 REFINED STRUCTURAL CONFORMERS DISPLAYED NO NOE VIOLATIONS >0.3 ANGSTROMS AND NO DIHEDRAL ANGLE VIOLATIONS >3 DEGREES. THE MINIMIZED AVERAGE STRUCTURE WAS CALCULATED FROM THE MEAN POSITIONS OF THE COORDINATES FOR THE 19 STRUCTURAL CONFORMERS AND WAS REFINED BY POWELL ENERGY MINIMIZATION IN XPLOR USING FULL NMR RESTRAINTS.
XPLOR
NMR Ensemble Information
Conformer Selection Criteria
Conformers Calculated Total Number
Conformers Submitted Total Number
1
Additional NMR Experimental Information
Details
THE STRUCTURE WAS DETERMINED USING TRIPLE- RESONANCE 3D NMR SPECTROSCOPY FOR RESONANCE ASSIGNMENTS AND DOUBLE-RESONANCE 3D NMR SPECTROSCOPY FOR OBTAINING NOESY DATA.