4QHI
Crystal structure of Methanocaldococcus jannaschii selecase mutant R36W
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | EVAPORATION | 7.5 | 277 | 0.1M Tris-HCl, 0.15M NaCl (obtained after storage at 277K for one month), pH 7.5, EVAPORATION |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.73 | 54.99 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 37.69 | α = 90 |
| b = 101.09 | β = 99.83 |
| c = 76.47 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 1 21 1 |
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 PILATUS 6M | 2014-04-24 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | ESRF BEAMLINE ID23-2 | 0.8726 | ESRF | ID23-2 |
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 | 2.3 | 42 | 99.8 | 0.101 | 15 | 25107 | 25107 | 48.32 | |||||||||||
| 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 | 2.3 | 42 | 99.8 | 0.101 | 15 | 25107 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | Dimeric selecase | 2.3 | 42 | 25107 | 25107 | 739 | 99.8 | 0.222 | 0.222 | 0.222 | 0.247 | RANDOM | 61.87 | ||||
| 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] | |
| -1.5423 | -2.8687 | 10.5652 | -9.0229 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| t_other_torsion | 3.51 |
| t_omega_torsion | 2.67 |
| t_angle_deg | 1.11 |
| t_bond_d | 0.009 |
| t_dihedral_angle_d | |
| t_trig_c_planes | |
| t_gen_planes | |
| t_it | |
| t_nbd | |
| t_chiral_improper_torsion | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 3618 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 149 |
| Heterogen Atoms | 29 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| MOLREP | phasing |
| BUSTER | refinement |
| XDS | data reduction |
| XSCALE | data scaling |
