Structure of the Thioalkalivibrio nitratireducens cytochrome c nitrite reductase in a complex with nitrite (full occupancy)
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 2OT4 | PDB ENTRY 2OT4 |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 278 | Protein solution (2.5 uL): 11.6 mg/mL TvNiR, 0.05 M Tris-HCl, pH 8.0, reservoir solution (2.5 uL): 0.2 M ammonium acetate, 0.1 M citric acid trisodium salt, pH 5.6, 30% MPD, 0.1 M sodium nitrite, VAPOR DIFFUSION, HANGING DROP, temperature 278.0K | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 5.066891 | 75.724762 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 192.8 | α = 90 |
| b = 192.8 | β = 90 |
| c = 192.8 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 21 3 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 100 | CCD | MAR CCD 165 mm | 2010-06-09 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | KURCHATOV SNC BEAMLINE K4.4 | KURCHATOV SNC | K4.4 | |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | ||||||||
| 1 | 1.83 | 136.33 | 99.8 | 0.12 | 20 | 208153 | 26.2 | ||||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
| 1 | 1.83 | 1.9 | 99.9 | 0.671 | 3.9 | ||||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 2OT4 | 1.83 | 100 | 197647 | 10466 | 99.85 | 0.14239 | 0.14137 | 0.14 | 0.16196 | 0.16 | RANDOM | 21.013 | ||||
| Temperature Factor Modeling | ||||||
|---|---|---|---|---|---|---|
| Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 36.999 |
| r_dihedral_angle_4_deg | 18.945 |
| r_dihedral_angle_3_deg | 12.468 |
| r_dihedral_angle_1_deg | 6.294 |
| r_scangle_it | 3.544 |
| r_scbond_it | 2.325 |
| r_angle_refined_deg | 1.7 |
| r_mcangle_it | 1.498 |
| r_mcbond_it | 0.874 |
| r_chiral_restr | 0.11 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 8239 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 1327 |
| Heterogen Atoms | 712 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| AUTOMAR | data collection |
| REFMAC | refinement |
| XDS | data reduction |
| XSCALE | data scaling |














