SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 3D_15N-separated_NOESY | 0.4mM Bromodomain, U-15N; 20mM sodium phosphate buffer; 50mM NaCl; 10mM DTT-d10 | 95% H2O/5% D2O | 50mM NaCl | 6.0 | ambient | 293 | |
| 2 | 3D_13C-separated_NOESY | 0.4mM Bromodomain, U-15N,13C; 20mM sodium phosphate buffer; 50mM NaCl; 10mM DTT-d10 | 100% D2O | 50mM NaCl | 6.0 | ambient | 293 | |
| 3 | 4D_13C/15N-separated_NOESY | 0.4mM Bromodomain, U-15N,13C; 20mM sodium phosphate buffer; 50mM NaCl; 10mM DTT-d10 | 100% D2O | 50mM NaCl | 6.0 | ambient | 293 | |
| 4 | HNHA | 0.4mM Bromodomain, U-15N; 20mM sodium phosphate buffer; 50mM NaCl; 10mM DTT-d10 | 95% H2O/5% D2O | 50mM NaCl | 6.0 | ambient | 293 | |
| 5 | HNHB | 0.4mM Bromodomain, U-15N; 20mM sodium phosphate buffer; 50mM NaCl; 10mM DTT-d10 | 95% H2O/5% D2O | 50mM NaCl | 6.0 | ambient | 293 | |
| 6 | HACAHB_COSY | 0.4mM Bromodomain, U-15N,13C; 20mM sodium phosphate buffer; 50mM NaCl; 10mM DTT-d10 | 100% D2O | 50mM NaCl | 6.0 | ambient | 293 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | DRX | 600 |
| 2 | Bruker | DMX | 750 |
| 3 | Bruker | AMX | 500 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| Torsion angle dynamics (DYANA) for generation of initial structures; Structure-mediated assignment of ambiguous experimental restraints (SANE); Iteration between DYANA and SANE; Simulated Annealing and Energy Minimization in AMBER using full restraint set. | Structures are based upon 2232 NOE-derived distance restraints (365 long-range, 379 medium-range, 403 sequential, 1085 intraresidue, and 426 ambiguous), 155 torsion angle restraints, and 47 stereospecific assignments. | XwinNMR |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | NO DISTANCE OR ANGLE VIOLATIONS GREATER THAN 0.15 A OR 5 DEGREES |
| Conformers Calculated Total Number | 185 |
| Conformers Submitted Total Number | 30 |
| Representative Model | 21 (closest to the average) |
| Additional NMR Experimental Information | |
|---|---|
| Details | Backbone assignments from HNCACB & CBCA(CO)NH (sample 2); Sidechain assignments from C(CO)NH-TOCSY & H(CCO)NH-TOCSY (sample 2); Stereospecific assignments from 13C-{13CO} & 13C-{15N} spin-echo difference CT-HSQC (sample 3); Aromatic assignments from (HB)CB(CGCD)HD, (HB)CB(CGCDCE)HE, & (HC)C(C)CH-TOCSY (sample 3) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | collection | XwinNMR | Bruker Instruments | |
| 2 | processing | NMRPipe | 1.7 | Delaglio |
| 3 | data analysis | NMRView | 3.0 | Bruce A. Johnson |
| 4 | refinement | DYANA | 1.5 | Guntert |
| 5 | refinement | SANE | 1.0 | Duggan |
| 6 | structure solution | Amber | 6.0 | Kollman |
