A GH31 family sulfoquinovosidase from E. coli in complex with aza-sugar inhibitor IFGSQ
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 5AEE | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 293 | 25 MG/ML-1 PROTEIN IN 50 MM NAPO4 , PH6.5, AND 250 MM NACL BUFFER IS MIXED WITH EQUAL VOLUME OF PRECIPITANT COMPOSED OF 50-60% (V/V) 2-METHYL-2, 4-PENTANEDIOL, 0.1-0.15 M CACL2, AND 20 DEGREE | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.9 | 57.9 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 68.473 | α = 100.76 |
| b = 86.269 | β = 113.77 |
| c = 86.81 | γ = 97.14 |
| Symmetry | |
|---|---|
| Space Group | P 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-F | 2016-12-12 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | DIAMOND BEAMLINE I04-1 | 0.92819 | Diamond | I04-1 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge 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 | 1.87 | 44.62 | 97.8 | 0.0378 | 0.999 | 14.8 | 3.5 | 140829 | |||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
| 1 | 1.87 | 1.9 | 96.9 | 0.797 | 0.622 | 1.2 | 3.6 | ||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | MOLECULAR REPLACEMENT | THROUGHOUT | 5aee | 1.87 | 44.62 | 140828 | 6991 | 97.76 | 0.1678 | 0.166 | 0.18 | 0.2018 | 0.21 | RANDOM | 42.6633 | ||||
| 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] | |
| 0.07 | -1.59 | 0.16 | -2.68 | -0.14 | 1.9 | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 34.813 |
| r_dihedral_angle_4_deg | 15.955 |
| r_dihedral_angle_3_deg | 13.399 |
| r_dihedral_angle_1_deg | 6.92 |
| r_mcangle_it | 4.621 |
| r_angle_other_deg | 3.875 |
| r_mcbond_it | 3.719 |
| r_mcbond_other | 3.719 |
| r_angle_refined_deg | 1.702 |
| r_chiral_restr | 0.116 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 10675 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 618 |
| Heterogen Atoms | 28 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| xia2 | data reduction |
| XDS | data scaling |
| MOLREP | phasing |














