SOLUTION NMR

NMR Experiment
Experiment Type Sample Contents Ionic Strength Solvent pH Pressure Temprature (K)
1 2D 1H-15N HSQC 30 uM [U-100% 13C; U-100% 15N] protein, 25 mM Tris-HCl, 125 mM KSCN, 1 mM CaCl2, 90% H2O/10% D2O ? 90% H2O/10% D2O 7.4 ambient 298
2 2D 1H-13C HMQC 30 uM [U-100% 13C; U-100% 15N] protein, 25 mM Tris-HCl, 125 mM KSCN, 1 mM CaCl2, 90% H2O/10% D2O ? 90% H2O/10% D2O 7.4 ambient 298
NMR Spectrometer Information
Spectrometer Manufacturer Model Field Strength
NMR Refinement
Method Details Software
molecular dynamics MOLECULAR DYNAMICS SIMULATIONS WERE USED TO GENERATE STRUCTURES OF THE SYNAPTOTAGMIN-1 C2B DOMAIN-SNARE COMPLEX THAT COULD BE EVALUATED BASED ON HOW WELL THEY FIT THE MEASURED PSEUDOCONTACT SHIFTS. SINCE IT WAS CLEAR FROM THE ANALYSIS THAT THE COMPLEX IS HIGHLY DYNAMICS AND NO SINGLE STRUCTURE CAN FIT ALL THE DATA, THE STRUCTURES FROM THE SIMULATIONS WERE USED TO TRY TO FIT THE MEASURED PSEUDOCONTACT SHIFTS AS ENSEMBLED-AVERAGED VALUES. THE STRUCTURES IN THE DEPOSITION ARE AMONG THOSE THAT CONTRIBUTED TO THE BEST ENSEMBLE-AVERAGE FITS. 3
NMR Ensemble Information
Conformer Selection Criteria Contribution to fit PCS data
Conformers Calculated Total Number 10000
Conformers Submitted Total Number 5
Representative Model 1 (all these conformers contribute to this dynamics ensemble)
Computation: NMR Software
# Classification Version Software Name Author
1 data analysis 8.0.a15 NMRView Johnson, One Moon Scientific
2 data analysis 0.991 Numbat Christophe Schmitz and Thomas Huber
3 refinement 2.7 NAMD Klaus Schulten
4 refinement ? GROMACS van Gunsteren and Berendsen
5 refinement ? PLUMED2 Giovanni Bussi
6 refinement ? ALMOST Andrea Cavalli
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