Crystal structure of carbohydrate transporter A0QYB3 from Mycobacterium smegmatis str. MC2 155, target EFI-510969, in complex with xylitol
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | 7 | PROTEIN (10 MM HEPES PH 7.5, 5 MM DTT, 10 MM DL-XYLITOL), RESERVOIR: 0.1 M IMIDAZOLE-HCL, PH 8.0, 0.2M ZINC ACETATE, 2.5M SODIUM CHLORIDE; CRYOPROTECTION: RESERVOIR SOLUTION; VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 294K | ||
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.12 | 42.06 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 62.841 | α = 90 |
| b = 63.07 | β = 90 |
| c = 73.134 | 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 | CCD | RAYONIX MX225HE | MIRRORS | 2014-10-24 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 31-ID | APS | 31-ID | |
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 | 1.4 | 50 | 99.7 | 0.111 | 16.5 | 14.6 | 57826 | -3 | 21.085 | ||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
| 1 | 1.4 | 1.42 | 98.5 | 0.72 | 4.1 | 13.9 | |||||||||||||
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 (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | SAD | THROUGHOUT | 1.4 | 47.76 | 55931 | 1794 | 99.66 | 0.12524 | 0.124 | 0.1491 | 0.16294 | 0.1714 | RANDOM | 18.564 | |||||
| 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 | -0.34 | 0.88 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 41.24 |
| r_sphericity_free | 31.607 |
| r_dihedral_angle_4_deg | 24.549 |
| r_sphericity_bonded | 21.217 |
| r_dihedral_angle_3_deg | 13.257 |
| r_scbond_it | 11.857 |
| r_scbond_other | 11.854 |
| r_scangle_other | 11.089 |
| r_long_range_B_refined | 8.848 |
| r_long_range_B_other | 8.847 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2313 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 228 |
| Heterogen Atoms | 73 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| SHELX | model building |
| ARP/wARP | model building |
| REFMAC | refinement |
| XDS | data reduction |
| SCALA | data scaling |
| SHELX | phasing |
