1QFX
PH 2.5 ACID PHOSPHATASE FROM ASPERGILLUS NIGER
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | 7 | 0.1M HEPES/HCL PH 7.0, 2.4M AMMONIUM SULFATE | ||
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 4.2 | 70.4 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 170.6 | α = 90 |
| b = 170.6 | β = 90 |
| c = 201.15 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | P 61 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 | 120 | IMAGE PLATE | MARRESEARCH | MIRROR | 1997-01-29 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | ESRF BEAMLINE BM1A | ESRF | BM1A | |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym 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 | 2.4 | 25 | 86.5 | 0.056 | 18.8 | 2.9 | 58656 | 37.3 | |||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
| 1 | 2.4 | 2.5 | 67.3 | 0.182 | 4.2 | 1.7 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||||
| X-RAY DIFFRACTION | SIRAS | FREE-R | 2.4 | 25 | 58609 | 2969 | 87.1 | 0.183 | 0.225 | RANDOM | 25.6 | ||||||||
| 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 | 23.3 |
| x_scangle_it | 3 |
| x_mcangle_it | 2 |
| x_scbond_it | 2 |
| x_angle_deg | 1.6 |
| x_improper_angle_d | 1.4 |
| x_mcbond_it | 1 |
| x_bond_d | 0.011 |
| x_bond_d_na | |
| x_bond_d_prot | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 6896 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 648 |
| Heterogen Atoms | 291 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| XDS | data scaling |
| XDS | data reduction |
| SHELXS | phasing |
| SHARP | phasing |
| CCP4 | model building |
| X-PLOR | refinement |
| CCP4 | phasing |
