Crystal Structure of Agd31B, alpha-transglucosylase in Glycoside Hydrolase Family 31, in complex with Cyclophellitol Aziridine probe CF021
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 4B9Y | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION | 7 | 293 | 1.8 M AMMONIUM SULFATE, 0.1 M HEPES (PH7.0), 2% PEG400 |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 3.06 | 59.75 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 197.3 | α = 90 |
| b = 197.3 | β = 90 |
| c = 102.9 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | P 6 2 2 |
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 | 2016-01-25 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | DIAMOND BEAMLINE I04 | 0.9795 | Diamond | I04 |
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 | 1.85 | 170.87 | 100 | 0.097 | 26.8 | 24.5 | 100134 | ||||||||||||
| 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 | 1.85 | 1.88 | 100 | 1.21 | 3 | 25 | |||||||||||||
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 | 4B9Y | 1.85 | 170.87 | 95234 | 4899 | 99.99 | 0.17002 | 0.16905 | 0.18 | 0.18813 | 0.19 | RANDOM | 34.16 | ||||
| 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] | |
| -0.45 | -0.23 | -0.45 | 1.47 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 34.374 |
| r_dihedral_angle_4_deg | 15.944 |
| r_dihedral_angle_3_deg | 13.101 |
| r_dihedral_angle_1_deg | 6.597 |
| r_long_range_B_refined | 6.204 |
| r_long_range_B_other | 6.197 |
| r_scangle_other | 2.013 |
| r_angle_refined_deg | 1.583 |
| r_scbond_it | 1.229 |
| r_scbond_other | 1.225 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 6229 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 635 |
| Heterogen Atoms | 70 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| xia2 | data reduction |
| xia2 | data scaling |
| MOLREP | phasing |
