3Q00
Bovine trypsin variant X(tripleGlu217Ile227) in complex with small molecule inhibitor
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 1V2K | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 8 | 293 | 30% PEG8000, 0.2M AMMONIUM SULPHATE, 0.1M IMIDAZOLE, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.47 | 50.15 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 54.04 | α = 90 |
| b = 54.04 | β = 90 |
| c = 137.08 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | P 32 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 | RIGAKU SATURN 944+ | mirrors | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | ROTATING ANODE | RIGAKU | 1.5418 | ||
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 | 1.7 | 16 | 99.97 | 0.05 | 16.7 | 3.7 | 25487 | 25487 | 18 | ||||||||||
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 | 1V2K | 1.7 | 15.6 | 25487 | 25487 | 1981 | 99.97 | 0.17449 | 0.17449 | 0.17393 | 0.20845 | RANDOM | 18.594 | ||||
| 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] | |
| 0.53 | 0.26 | 0.53 | -0.79 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 39.288 |
| r_dihedral_angle_4_deg | 14.386 |
| r_dihedral_angle_3_deg | 13.455 |
| r_dihedral_angle_1_deg | 6.574 |
| r_scangle_it | 5.267 |
| r_scbond_it | 4.009 |
| r_mcangle_it | 3.854 |
| r_mcbond_it | 3.287 |
| r_angle_refined_deg | 1.431 |
| r_chiral_restr | 0.095 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1636 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 327 |
| Heterogen Atoms | 57 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| CrystalClear | data collection |
| AMoRE | phasing |
| REFMAC | refinement |
| d*TREK | data reduction |
| SCALA | data scaling |
