3V9E
Structure of the L499M mutant of the laccase from B.aclada
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 5 | 298 | 1.0 M lithium sulphate, 0.5 M ammonium sulphate, pH 5.0, VAPOR DIFFUSION, SITTING DROP, temperature 298.0K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.35 | 47.74 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 69.71 | α = 90 |
| b = 113.56 | β = 108.74 |
| c = 79.98 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | C 1 2 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 | CCD | MAR CCD 165 mm | 2011-09-28 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | KURCHATOV SNC BEAMLINE K4.4 | 0.9815 | KURCHATOV SNC | K4.4 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 1.7 | 30 | 97.4 | 3 | 64678 | 62839 | |||||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
| 1 | 1.7 | 1.8 | 93.8 | 3 | |||||||||||||||
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 (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 3SQR | 1.7 | 28.55 | 64520 | 59651 | 3188 | 97.39 | 0.16514 | 0.16322 | 0.19981 | RANDOM | 20.97 | |||||
| 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] | |
| -0.38 | 0.25 | 1.42 | -0.92 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 34.385 |
| r_dihedral_angle_4_deg | 16.347 |
| r_dihedral_angle_3_deg | 11.859 |
| r_sphericity_bonded | 11.636 |
| r_dihedral_angle_1_deg | 7.385 |
| r_sphericity_free | 6.561 |
| r_angle_refined_deg | 2.015 |
| r_angle_other_deg | 0.934 |
| r_chiral_restr | 0.119 |
| r_bond_refined_d | 0.02 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 4176 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 414 |
| Heterogen Atoms | 167 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| MAR345 | data collection |
| MOLREP | phasing |
| REFMAC | refinement |
| XDS | data reduction |
| XSCALE | data scaling |
