1WPK
Methylated Form of N-terminal Transcriptional Regulator Domain of Escherichia Coli Ada Protein
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 3D_15N-separated_NOESY | 1mM Protein U-15N,13C; 50mM phosphate buffer with 5mM 2-mercaptoethanol NA; 85% H2O, 15% D2O | 85% H2O, 15% D2O | 300mM NaCl | 6.5 | ambient | 303 | |
2 | 3D_13C-separated_NOESY | 1mM Protein U-15N,13C; 50mM phosphate buffer with 5mM 2-mercaptoethanol ; 99.9% D2O | 99.9% D2O | 300mM NaCl | 6.5 | ambient | 303 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Varian | INOVA | 600 |
NMR Refinement | ||
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Method | Details | Software |
distance geometry, simulated annealing, torsion angle dynamics | The structures are based on a total of 1991 restraints; 1735 are NOE-derived distance constraints, 148 dihedral angle restraints, 94 distance restraints from hydrogen bonds and 14 zinc-thiolate center distance restraints. | CNS |
NMR Ensemble Information | |
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Conformer Selection Criteria | The submitted conformer models are the 17 structures with the lowest energy |
Conformers Calculated Total Number | 25 |
Conformers Submitted Total Number | 17 |
Representative Model | 12 (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 | structure solution | CNS | 1.1 | |
2 | refinement | CNS | 1.1 |