Human Aldose Reductase Mutant A299G/L300G in Complex with a Ligand with an IDD Structure (3-({[2-(carboxymethoxy)-4-fluorobenzoyl]amino}methyl)benzoic acid)
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 5 | 291 | 50 mM Di-Ammoniumhydrogen citrate pH 5: 15 mg/mL hAR, 5.2 mg/mL DTT, 0.7 mg/mL NADP+, 10% (w/v) PEG 6000 Reservoir: 120 mM Di-Ammoniumhydrogen citrate pH 5, 20% (w/v) PEG 6000 Soaking: 120 mM di-ammonium hydrogen citrate pH 5.0, 25% PEG 6000, saturated with ligand |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.17 | 43.35 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 47.272 | α = 90 |
| b = 66.721 | β = 92.134 |
| c = 49.358 | 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 | PIXEL | DECTRIS PILATUS 6M | 2020-02-02 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | BESSY BEAMLINE 14.2 | 0.82656 | BESSY | 14.2 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym I (Observed) | CC (Half) | 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 | 1.03 | 39.7 | 94.5 | 0.06 | 0.998 | 12 | 3.4 | 143107 | 7.49 | ||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
| 1 | 1.03 | 1.09 | 91.7 | 0.47 | 0.81 | 2.4 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 4PRR | 1.03 | 38.55 | 1.37 | 142979 | 4282 | 94.43 | 0.136 | 0.1355 | 0.14 | 0.1543 | 0.16 | 11.76 | ||||
| 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 |
| f_dihedral_angle_d | 16.3832 |
| f_angle_d | 0.9703 |
| f_chiral_restr | 0.0785 |
| f_plane_restr | 0.0077 |
| f_bond_d | 0.006 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2466 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 432 |
| Heterogen Atoms | 86 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| PHENIX | refinement |
| Coot | model building |
| XDS | data reduction |
| XDS | data scaling |
| PHASER | phasing |














