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SOLUTION STRUCTURE OF BSTI, A TRYPSIN INHIBITOR FROM BOMBINA BOMBINA.
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
TOCSY,NOESY
1.5mM BSTI
90% H2O/10% D2O
5.0
ambient
283
2
TOCSY,NOESY,DQF-COSY
1.5mM BSTI
90% H2O/10% D2O
5.0
ambient
293
3
TOCSY,NOESY,DQF-COSY
1.5mM BSTI
90% H2O/10% D2O
5.0
ambient
298
4
TOCSY,NOESY
1.5mM BSTI
90% H2O/10% D2O
5.0
ambient
305
5
TOCSY,NOESY,DQF-COSY,ECOSY
1.5mM BSTI
100% D2O
5.0
ambient
293
6
TOCSY,NOESY,DQF-COSY
1.5mM BSTI
100% D2O
5.0
ambient
298
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Bruker
DMX
750
2
Bruker
AMX
500
NMR Refinement
Method
Details
Software
torsion angle dynamics
Preliminary structures were generated with a torsion angle dynamics protocol within DYANA. Final structures were generated with TAD in XPLOR. Structures were energy minimised under influence of the CHARMM forcefield.
XwinNMR
NMR Ensemble Information
Conformer Selection Criteria
structures with the lowest energy
Conformers Calculated Total Number
50
Conformers Submitted Total Number
20
Representative Model
1 (lowest energy)
Additional NMR Experimental Information
Details
This structure was determined using standard 2D homonuclear techniques.