2I8N
Solution structure of the second bromodomain of Brd4
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 3D_13C-separated_NOESY | 1.0mM 15N, 13C-labeled BRD4 C-terminal domain, 20mM phosphate buffer(pH6.0), 50mM NaCl, 5mM EDTA, 10%(v/v)D2O | 90% H2O/10% D2O | 20mM Na2HPO4, 50mM NaCl | 6.0 | 1 atm | 293 | |
2 | 3D_15N-separated_NOESY | 1.0mM 15N, 13C-labeled BRD4 C-terminal domain, 20mM phosphate buffer(pH6.0), 50mM NaCl, 5mM EDTA, 10%(v/v)D2O | 90% H2O/10% D2O | 20mM Na2HPO4, 50mM NaCl | 6.0 | 1 atm | 293 | |
3 | 2D NOESY | 1.0mM 15N, 13C-labeled BRD4 C-terminal domain, 20mM phosphate buffer(pH6.0), 50mM NaCl, 5mM EDTA, 10%(v/v)D2O | 90% H2O/10% D2O | 20mM Na2HPO4, 50mM NaCl | 6.0 | 1 atm | 293 | |
4 | 2D TOCSY | 1.0mM 15N, 13C-labeled BRD4 C-terminal domain, 20mM phosphate buffer(pH6.0), 50mM NaCl, 5mM EDTA, 10%(v/v)D2O | 90% H2O/10% D2O | 20mM Na2HPO4, 50mM NaCl | 6.0 | 1 atm | 293 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DMX | 600 |
NMR Refinement | ||
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Method | Details | Software |
Distance geometry simulated annealing molecular dynamics torsion angle dynamics | The NMR structures are based on a total of 1688 restraints, 1490 are NOE-derived distance constraints, 144 dihedral angle restrants, 54 distance restraints from hydrogen bonds. | NMRPipe |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 200 |
Conformers Submitted Total Number | 20 |
Representative Model | 1 (lowest energy) |
Additional NMR Experimental Information | |
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Details | The structure was determined using triple-resonance NMR spectroscopy. |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | processing | NMRPipe | 2.3 | F.Delaglio |
2 | data analysis | Sparky | 3 | T.D.Goddard and D.G.Kneller |
3 | structure solution | CNS | 1.1 | |
4 | data analysis | CSI | 1.0 | David S.Wishart |
5 | data analysis | MOLMOL | 2K.2 | Koradi |
6 | refinement | CNS | 1.1 |