8BOQ
A. vinelandii Fe-nitrogenase FeFe protein
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 293 | 0.1 M Bis Tris propane/HCl at pH 8.5 18 % (w/v) of polyethylene glycol 4000 18 % (v/v) of ethylene glycol |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.68 | 53.99 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 109.969 | α = 90 |
| b = 151.048 | β = 90 |
| c = 158.863 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 21 21 21 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 100 | PIXEL | DECTRIS EIGER X 16M | 2021-12-08 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | SLS BEAMLINE X06DA | 1.0000 | SLS | X06DA |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rpim I (All) | CC (Half) | 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 | 1.547 | 20.1 | 39.9 | 0.109 | 0.031 | 0.995 | 14.9 | 1.9 | 153829 | 21.98 | |||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
| 1 | 1.55 | 1.75 | 70.4 | 1.285 | 0.387 | 0.662 | 2.1 | 12 | |||||||||||
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 (All) | R-Work | R-Free | Mean Isotropic B | |||||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 5N6Y | 1.547 | 20.003 | 153828 | 7578 | 91.8 | 0.171 | 0.1688 | 0.2155 | 27.129 | |||||||
| 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] | |
| -0.12 | 0.042 | 0.078 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_6_deg | 15.232 |
| r_dihedral_angle_3_deg | 14.947 |
| r_dihedral_angle_other_3_deg | 9.471 |
| r_lrange_it | 8.956 |
| r_lrange_other | 8.852 |
| r_dihedral_angle_2_deg | 8.154 |
| r_dihedral_angle_1_deg | 7.185 |
| r_scangle_it | 3.474 |
| r_scangle_other | 3.474 |
| r_mcangle_it | 2.921 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 17320 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 1428 |
| Heterogen Atoms | 100 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| REFMAC | refinement |
| XDS | data reduction |
| Aimless | data scaling |
| MOLREP | phasing |
| Coot | model building |
