1PZR
Structure of fused docking domains from the erythromycin polyketide synthase (DEBS), a model for the interaction between DEBS2 and DEBS3: the B domain
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 DOCK23 U-15N,13C: 100mM phosphate buffer NA: trace amounts of sodium azide, AEBSF protease inhibitor cocktail and TSP 1H shift reference: 90% H2O, 10% D2O | 90% H2O/10% D2O | 100mM phosphate buffer NA | 6.5 | ambient | 298 | |
2 | 3D_13C-separated_NOESY | 1mM DOCK23 U-15N,13C: 100mM phosphate buffer NA: trace amounts of sodium azide, AEBSF protease inhibitor cocktail and TSP 1H shift reference: 90% H2O, 10% D2O | 90% H2O/10% D2O | 100mM phosphate buffer NA | 6.5 | ambient | 298 | |
3 | 3D_13C_15N_X-filtered_13C-separated_NOESY | 1mM DOCK23 (50% U-15N,13C: 50% unlabeled): 100mM phosphate buffer NA: trace amounts of sodium azide, AEBSF protease inhibitor cocktail and TSP 1H shift reference: 90% H2O, 10% D2O | 90% H2O/10% D2O |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DRX | 500 |
2 | Bruker | DRX | 800 |
NMR Refinement | ||
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Method | Details | Software |
simulated annealing | the structures are based on a total of 1754 restraints: 1618 NOE-derived distance restraints, 78 dihedral angle restraints, 58 distance restraints from hydrogen bonds. | Azara |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 100 |
Conformers Submitted Total Number | 7 |
Representative Model | 1 (closest to the average) |
Additional NMR Experimental Information | |
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Details | The structure was determined using triple-resonance NMR spectroscopy. Intermolecular contacts were obtained from an X-filtered NOESY experiment on a mixed-labeled sample. |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | processing | Azara | 1.0 | Boucher |
2 | data analysis | ANSIG | 3.3 | Kraulis |
3 | structure solution | CNS | 1.0 | Brunger |
4 | refinement | CNS | 1.0 | Brunger |