Novel dimeric structure of phage phi29-encoded protein p56: Insights into Uracil-DNA glycosylase inhibition
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D 1H-1H TOCSY | 0.5 mM p56, 100 mM sodium chloride, 10 mM sodium phosphate | 90% H2O/10% D2O | 0.13 | 5 | ambient | 308 | |
2 | 2D 1H-1H NOESY | 0.5 mM p56, 100 mM sodium chloride, 10 mM sodium phosphate | 90% H2O/10% D2O | 0.13 | 5 | ambient | 308 | |
3 | 2D 1H-1H COSY | 0.5 mM p56, 100 mM sodium chloride, 10 mM sodium phosphate | 90% H2O/10% D2O | 0.13 | 5 | ambient | 308 | |
4 | 2D 1H-1H NOESY | 0.5 mM p56, 100 mM sodium chloride, 10 mM sodium phosphate | 100% D2O | 0.13 | 5 | ambient | 308 | |
5 | 2D 1H-15N HSQC | 0.5 mM [U-98% 13C; U-98% 15N] p56, 100 mM sodium chloride, 10 mM sodium phosphate | 90% H2O/10% D2O | 0.13 | 5 | ambient | 308 | |
6 | 3D HNCACB | 0.5 mM [U-98% 13C; U-98% 15N] p56, 100 mM sodium chloride, 10 mM sodium phosphate | 90% H2O/10% D2O | 0.13 | 5 | ambient | 308 | |
7 | 3D CBCA(CO)NH | 0.5 mM [U-98% 13C; U-98% 15N] p56, 100 mM sodium chloride, 10 mM sodium phosphate | 90% H2O/10% D2O | 0.13 | 5 | ambient | 308 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AVANCE | 800 |
2 | Bruker | DMX | 600 |
NMR Refinement | ||
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Method | Details | Software |
simulated annealing | XEASY |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the least restraint violations |
Conformers Calculated Total Number | 30 |
Conformers Submitted Total Number | 20 |
Representative Model | 1 (fewest violations) |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | data analysis | XEASY | Bartels et al. | |
2 | structure solution | DYANA | Guntert, Braun and Wuthrich | |
3 | refinement | Amber | Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, and Kollm |