SOLUTION NMR Experimental Data

Experimental Details
Sample Conditions
Sample Contents3mM lipocalin Q83 U-15N,13C; 20 mM potassium phosphate; 50 mM potassium chloride; 0.5mM dithiothreitol; 90% H2O, 10% D2O
Solvent90% H2O/10% D2O
Ionic Strength20mM potassium phosphate; 50mM potassium chloride; 0.5mM dithiothreitol
Temperature (K)299
Experiment(s):3D HCCH-TOCSY, 3D_CCH-TOCSY-NNH, 3D_NOESY-HSQC:(two_13C,Ca/methyl-centered,15N), 3D HNHA, Cross-correlated_relaxation_rates_Ca(i)Ha(i)-DD/C'(i)-CSA, Cross-correlated_relaxation_rates_Ca(i)Ha(i)-DD/C'(i-1)-CSA
Spectrometer Information
Manufacturer Model Field Strength
Varian UNITYPLUS 500.0
NMR Refinement
Method ARIA/CNS automated refinement using also ambiguous NOE distance constraints; simulated annealing (torsion angle dynamics)
NMR Ensemble Information
Conformer Selection Criteria structures with the least restraint violations,structures with the lowest energy
Conformers Calculated Total Number 100
Conformers Submitted Total Number 20
Representative Model Choice Rationale
1 closest to the average
Computation: NMR Software
# Classification Software Name Author
1 collection version: 6.1 Rev B VNMR Varian Associates, Inc.
2 processing version: 1.8 Rev 2001.030.21.27 NMRPipe Delaglio
3 data analysis version: 3.3 ANSIG Kraulis
4 data analysis version: 4.1.3 NMRview Johnson (Merck and Co., Inc.)
5 structure solution version: 1.0 ARIA/CNS Linge, Nilges, Brunger
6 refinement version: 1.0 CNS Brunger