SOLUTION NMR Experimental Data

Experimental Details
Sample Conditions
Sample Contents4mM alpha-Bungarotoxin pH 5.79 at 288, 298, and 308 degrees K
Solvent95% H2O/ 5% D2O
Ionic Strengthno buffers, pH adjusted w/HCl and NaOH
Temperature (K)298
Experiment(s):NOESY, DQF-COSY
Sample Contents4mM alpha-Bungarotoxin pH 5.79
Solvent99.9% D2O
Ionic Strengthno buffers, pH adjusted w/DCl and NaOD
Temperature (K)308
Spectrometer Information
Manufacturer Model Field Strength
GE GN 500.0
NMR Refinement
Method distance geometry, molecular dynamics, matrix relaxation
Details total number of restraints used: 657, Total number of NOE restraints: 588, Total number of dihedral angle restraints: 60, Used 9 hydrogen-bond restraints
NMR Ensemble Information
Conformer Selection Criteria structures with the least restraint violations,structures with the lowest energy
Conformers Calculated Total Number 20
Conformers Submitted Total Number 13
Representative Model Choice Rationale
1 fewest violations
Additional NMR Experimental Information
1 This structure was determined using standard 2D homonuclear techniques.
Computation: NMR Software
# Classification Software Name Author
1 structure solution VEMBED 1.0 Kuntz, I. D., Thomason, J. F., and Oshiro, C. M.
2 refinement GROMOS 87 4D version van Schaik, R. C., and van Gunsteren, W. F.
3 iterative matrix relaxation MARDIGRAS 2.0 Borgias, B. A., and James, T. L.