SOLUTION NMR
NMR Experiment | ||||||||
---|---|---|---|---|---|---|---|---|
Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D 1H-1H TOCSY | 0.45 mM ZRANB2 zinc finger 2, 10 % D2O, 1 mM DTT, 25 mM potassium phosphate, 25 mM sodium chloride | 90% H2O/10% D2O | 0.025 | 7.0 | ambient | 275 | |
2 | 2D DQF-COSY | 0.45 mM ZRANB2 zinc finger 2, 10 % D2O, 1 mM DTT, 25 mM potassium phosphate, 25 mM sodium chloride | 90% H2O/10% D2O | 0.025 | 7.0 | ambient | 275 | |
3 | 2D 1H-1H NOESY | 0.45 mM ZRANB2 zinc finger 2, 10 % D2O, 1 mM DTT, 25 mM potassium phosphate, 25 mM sodium chloride | 90% H2O/10% D2O | 0.025 | 7.0 | ambient | 275 | |
4 | 3D HNHA | 0.4 mM [U-100% 15N] ZRANB2 zinc finger 2, 10 % D2O, 1 mM DTT, 25 mM potassium phosphate, 25 mM sodium chloride | 90% H2O/10% D2O | 0.025 | 7.0 | ambient | 278 |
NMR Spectrometer Information | |||
---|---|---|---|
Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DRX | 600 |
NMR Refinement | ||
---|---|---|
Method | Details | Software |
simulated annealing, molecular dynamics | STRUCTURE CALCULATIONS WERE PERFORMED USING THE PACKAGE ARIA1.2 (AMBIGUOUS RESTRAINTS IN ITERATIVE ASSIGNMENT). FINAL STRUCTURES ARE BASED ON 654 UNAMBIGUOUS NOE-DERIVED DISTANCE CONSTRAINTS, 38 SETS OF AMBIGUOUS NOE-DERIVED DISTANCE CONSTRAINTS AND 19 ADDITIONAL DIHEDRAL ANGLE RESTRAINTS. | XwinNMR |
NMR Ensemble Information | |
---|---|
Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 500 |
Conformers Submitted Total Number | 20 |
Representative Model | 1 (lowest energy) |
Computation: NMR Software | ||||
---|---|---|---|---|
# | Classification | Version | Software Name | Author |
1 | collection | XwinNMR | Bruker Biospin | |
2 | structure solution | ARIA | Linge, O'Donoghue and Nilges | |
3 | processing | TopSpin | Bruker Biospin | |
4 | structure solution | DYANA | Guntert, Braun and Wuthrich | |
5 | refinement | DYANA | Guntert, Braun and Wuthrich |