NMR structure of the E.coli protein NirD, Northeast Structural Genomics target ET100
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 3D 1H-15N NOESY | 1 mM [U-100% 13C] protein, 10 mM TRIS, 300 mM sodium chloride, 10 uM ZINC ION, 10 mM DTT, 0.01 % sodium azide | 95% H2O/5% D2O | 300 | 7.0 | ambient | 293 | |
2 | 2D 1H-15N HSQC | 1 mM [U-100% 13C] protein, 10 mM TRIS, 300 mM sodium chloride, 10 uM ZINC ION, 10 mM DTT, 0.01 % sodium azide | 95% H2O/5% D2O | 300 | 7.0 | ambient | 293 | |
3 | 2D 1H-13C HSQC | 1 mM [U-100% 13C] protein, 10 mM TRIS, 300 mM sodium chloride, 10 uM ZINC ION, 10 mM DTT, 0.01 % sodium azide | 95% H2O/5% D2O | 300 | 7.0 | ambient | 293 | |
4 | 3D HNCACB | 1 mM [U-100% 13C] protein, 10 mM TRIS, 300 mM sodium chloride, 10 uM ZINC ION, 10 mM DTT, 0.01 % sodium azide | 95% H2O/5% D2O | 300 | 7.0 | ambient | 293 | |
5 | 3D 1H-13C NOESY | 1 mM [U-100% 13C] protein, 10 mM TRIS, 300 mM sodium chloride, 10 uM ZINC ION, 10 mM DTT, 0.01 % sodium azide | 95% H2O/5% D2O | 300 | 7.0 | ambient | 293 | |
6 | 4D CC NOESY | 1 mM [U-100% 13C] protein, 10 mM TRIS, 300 mM sodium chloride, 10 uM ZINC ION, 10 mM DTT, 0.01 % sodium azide | 100% D2O | 300 | 7.0 | ambient | 293 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Varian | INOVA | 600 |
2 | Varian | INOVA | 750 |
NMR Refinement | ||
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Method | Details | Software |
simulated annealing | simulated annealing using NIH xplor, followed by cns water refinement. | AutoStructure |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 25 |
Conformers Submitted Total Number | 20 |
Representative Model | 1 (closest to the average) |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | data analysis | AutoStructure | 2.1.1 | Huang, Swapana, Rajan, Ke, Xia, Shukla, Inouye and Montelione |
2 | structure solution | X-PLOR NIH | 2.15.0 | Schwieters, Kuszewski, Tjandra and Clore |
3 | refinement | CNS | 1.1 | Brunger, Adams, Clore, Gros, Nilges and Read |
4 | peak picking | Sparky | 3.1 | Goddard |
5 | processing | NMRPipe | linux9 | Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax |