Crystal structure of Candida auris dihydrofolate reductase in complex with inhibitor 1282 and NADPH
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 7ZZX | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 8.5 | 277 | 28% PEG 3,350, 0.2M LiSO4, 0.1M Tris pH 8.5 |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.3 | 46.54 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 63.323 | α = 90 |
| b = 73.567 | β = 90 |
| c = 93.376 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 21 21 21 |
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 EIGER X 16M | Horizontal pre-focus bimorph mirror & KB bimorph mirrors | 2024-08-06 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | NSLS-II BEAMLINE 17-ID-2 | 0.97931 | NSLS-II | 17-ID-2 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | 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 | 1.65 | 34.22 | 94.7 | 0.032 | 0.045 | 0.032 | 0.999 | 10.6 | 1.9 | 50319 | |||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
| 1 | 1.65 | 1.68 | 96.4 | 0.691 | 0.977 | 0.691 | 0.538 | 1.1 | 1.9 | ||||||||||
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-Factor (All) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 1.65 | 34.22 | 50273 | 2614 | 94.498 | 0.155 | 0.1513 | 0.1558 | 0.2267 | 0.2283 | RANDOM | 30.293 | |||||
| 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] | |
| -1.11 | -0.999 | 2.11 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 16.575 |
| r_dihedral_angle_6_deg | 16.179 |
| r_dihedral_angle_3_deg | 15.122 |
| r_lrange_it | 13.244 |
| r_lrange_other | 13.023 |
| r_scangle_it | 10.212 |
| r_scangle_other | 9.889 |
| r_mcangle_other | 7.465 |
| r_mcangle_it | 7.462 |
| r_scbond_it | 7.283 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 3264 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 229 |
| Heterogen Atoms | 174 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| PHASER | phasing |
| AutoProcess | data reduction |
| Aimless | data scaling |














