6A8X
Crystal structure of a apo form cyclase from Fischerella sp.
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 8 | 295 | 1.0M sodium citrate, 0.1M Imidazole pH 8.0 |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 5.01 | 75.43 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 90.993 | α = 90 |
| b = 90.993 | β = 90 |
| c = 234.496 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 41 21 2 |
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 | RAYONIX MX-300 | 2018-01-02 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | NSRRC BEAMLINE BL15A1 | 1.0 | NSRRC | BL15A1 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | 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 | 2.35 | 25 | 96.8 | 0.077 | 0.082 | 0.028 | 12.2 | 8.9 | 40767 | ||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
| 1 | 2.35 | 2.43 | 100 | 0.706 | 0.745 | 0.231 | 0.856 | 10.1 | |||||||||||
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 | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 5YVK | 2.35 | 24.85 | 38471 | 1959 | 96.17 | 0.19692 | 0.19506 | 0.2334 | RANDOM | 54.156 | ||||||
| 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] | |
| -0.89 | -0.89 | 1.78 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 33.126 |
| r_dihedral_angle_4_deg | 20.35 |
| r_dihedral_angle_3_deg | 18.328 |
| r_long_range_B_other | 10.256 |
| r_long_range_B_refined | 10.245 |
| r_scangle_other | 8.911 |
| r_dihedral_angle_1_deg | 7.983 |
| r_scbond_it | 6.644 |
| r_scbond_other | 6.642 |
| r_mcangle_it | 6.539 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 3088 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 220 |
| Heterogen Atoms | 4 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| HKL-2000 | data scaling |
| PHASER | phasing |
| PDB_EXTRACT | data extraction |
| HKL-2000 | data reduction |
