SOLUTION NMR

NMR Experiment
Experiment Type Sample Contents Ionic Strength Solvent pH Pressure Temprature (K)
1 CBCA(CO)NH 0.5 mM [U-13C; U-15N] Apolipoprotein CIII, 180 mM [U-2H] SDS, 92% H2O/8% D2O 0.3 92% H2O/8% D2O 5.0 ambient 315.7
2 HNCACB 0.5 mM [U-13C; U-15N] Apolipoprotein CIII, 180 mM [U-2H] SDS, 92% H2O/8% D2O 0.3 92% H2O/8% D2O 5.0 ambient 315.7
3 HNCO 0.5 mM [U-13C; U-15N] Apolipoprotein CIII, 180 mM [U-2H] SDS, 92% H2O/8% D2O 0.3 92% H2O/8% D2O 5.0 ambient 315.7
4 HNHA 0.5 mM [U-13C; U-15N] Apolipoprotein CIII, 180 mM [U-2H] SDS, 92% H2O/8% D2O 0.3 92% H2O/8% D2O 5.0 ambient 315.7
5 15N NOESY HSQC 0.5 mM [U-13C; U-15N] Apolipoprotein CIII, 180 mM [U-2H] SDS, 92% H2O/8% D2O 0.3 92% H2O/8% D2O 5.0 ambient 315.7
6 15N HSQC NOESY HSQC 0.5 mM [U-13C; U-15N] Apolipoprotein CIII, 180 mM [U-2H] SDS, 92% H2O/8% D2O 0.3 92% H2O/8% D2O 5.0 ambient 315.7
NMR Spectrometer Information
Spectrometer Manufacturer Model Field Strength
NMR Refinement
Method Details Software
simulated annealing, torsion angle dynamics Simulated annealing using IVM algorithm available within XPLOR-NIH (2.10) followed by energy minimization. IVM dynamics (XPLOR-NIH) with restraining terms: noe, cdih, jcoup, rdc and 7 positional restraints (appr. one CA atom per helix near the middle of each helix). 1
NMR Ensemble Information
Conformer Selection Criteria structures with the lowest energy
Conformers Calculated Total Number 50
Conformers Submitted Total Number 10
Representative Model 1 (lowest energy)
Computation: NMR Software
# Classification Version Software Name Author
1 processing ? NMRPipe Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
2 peak picking ? XEASY Bartels et al.
3 backbone torsion angles from chemical shifts ? TALOS Cornilescu, Delaglio and Bax
4 restr. md caclulations 2.10 X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore
5 monte carlo simulation to fit helical structures to experimental rdc's ? Monte_Carlo_script S.Wijmenga (unpublished)
6 program for positioning helices on the micelle ? Protein Constructor under development)
7 caclulations of hydropobic moment directions ? Protein Constructor under development)
8 inverse kinematic for junction of helices, rdc simulation ? Protein Constructor under development)