Solution structure of the complex between nitrite reductase and pseudoazurin from A. faecalis
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D_15N,1H TROSY | 250 mM 15N, 2H pseudoazurin in complex with nitrite reductase -bound GdCLaNP at position 221/223 (0.38 eq), in 50 mM phosphate buffer | H2O, 6% (v/v) D2O | 50 mM phosphate | 6.5 | 1 atm | 298 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | DMX | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| distance geometry, rigid body molecular dynamics, restrained side-chains energy minimization | 324 distance restraints from paramagnetic relaxation, 5 restraints from chemical shift perturbations | XwinNMR |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures closest to the average |
| Conformers Calculated Total Number | 134 |
| Conformers Submitted Total Number | 20 |
| Representative Model | 1 (closest to the average) |
| Additional NMR Experimental Information | |
|---|---|
| Details | ~80% deuteration of the nonexchangeable protons in pseudoazurin |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | collection | XwinNMR | 2.6 | Bruker |
| 2 | processing | Azara | 2.7 | Boucher, W. |
| 3 | data analysis | ANSIG | 1.02 | Kraulis, P. |
| 4 | structure solution | X-PLOR | 2.9.9 | Brunger, A.T. et al. |
| 5 | data analysis | MestReC | 4.8.6.0 | Mestrelab Research |
| 6 | refinement | X-PLOR | 2.9.9 | Brunger, A.T. et al. |
