1ALJ
ALKALINE PHOSPHATASE MUTANT (H412N)
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | THIS ENTRY IS A MUTANT ALKALINE PHOSPHATE (H412N) IN WHICH HIS 412 IS REPLACED BY ASN, DETERMINED WITH CRYSTALS SOAKED IN STABILIZATION BUFFER CONTAINING NO ADDED ZINC. THERE IS ONE ZINC AND ONE MAGNESIUM COMPLEXED WITH INORGANIC PHOSPHATE BOUND IN EACH OF THE TWO ACTIVE SITES. | |||
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 3.31 | 62.79 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 194.76 | α = 90 |
| b = 167.74 | β = 90 |
| c = 76.23 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | I 2 2 2 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | AREA DETECTOR | ADSC | 1993-05-14 | M | ||||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | |||||
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 | 2.5 | 26.3 | 98.4 | 0.108 | 4.6 | 36882 | 3 | ||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | |||||||||
| X-RAY DIFFRACTION | 2.6 | 8 | 38875 | 0.166 | 0.166 | ||||||||||||||
| 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 |
| x_dihedral_angle_d | 22.8 |
| x_angle_deg | 2.01 |
| x_improper_angle_d | 1.67 |
| x_bond_d | 0.02 |
| x_bond_d_na | |
| x_bond_d_prot | |
| x_angle_d | |
| x_angle_d_na | |
| x_angle_d_prot | |
| x_angle_deg_na | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 6558 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 219 |
| Heterogen Atoms | 14 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| ADSC | data collection |
| X-PLOR | model building |
| X-PLOR | refinement |
| X-PLOR | phasing |
