2PDI
Human aldose reductase mutant L300A complexed with zopolrestat at 1.55 A.
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 5 | 293 | 20 % PEG 6000 in 120 mM ammonium citrate, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.2 | 43.48 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 49.44 | α = 90 |
| b = 66.86 | β = 92.95 |
| c = 47.3 | 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 | IMAGE PLATE | RIGAKU RAXIS IV | mirrors | 2006-02-10 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | ROTATING ANODE | RIGAKU RU300 | 1.5418 | ||
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 1.55 | 50 | 93.3 | 0.026 | 0.026 | 36.6 | 2.5 | 41753 | 41753 | ||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
| 1.55 | 1.58 | 46.9 | 0.063 | 0.063 | 13.2 | 1.7 | 1036 | ||||||||||||
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 | FREE R | 1el3 | 1.55 | 30 | 39532 | 39532 | 2073 | 88.2 | 0.155 | 0.155 | 0.154 | 0.195 | RANDOM | |||||
| 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] | |
| Coordinate Error | ||
|---|---|---|
| Structure Solution Method | Refinement High Resolution | Refinement Low Resolution |
| 1 | 2520 | 2940 |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| s_angle_d | 2.5 |
| s_zero_chiral_vol | 0.074 |
| s_non_zero_chiral_vol | 0.074 |
| s_similar_adp_cmpnt | 0.053 |
| s_anti_bump_dis_restr | 0.038 |
| s_from_restr_planes | 0.0279 |
| s_bond_d | 0.012 |
| s_similar_dist | |
| s_rigid_bond_adp_cmpnt | |
| s_approx_iso_adps | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2518 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 349 |
| Heterogen Atoms | 77 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| SHELX | model building |
| SHELXL-97 | refinement |
| CrystalClear | data collection |
| HKL-2000 | data reduction |
| HKL-2000 | data scaling |
| CNS | phasing |
