The human O-GlcNAc transferase in complex with a thiol-linked bisubstrate inhibitor
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 3PE4 | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 6.4 | 295 | Reservoir solution: 1.45 M K2HPO4, 8 mM EDTA, 1% xylitol Drop solution: 1.45 M K2HPO4, 8 mM EDTA, 1% xylitol, 0.5 M (NH4)2SO4, crystal seeds Seeds were generated from crystals grown in 1.3 M DL-Malic acid, 0.1 M Bis-Tris propane pH 6.4 |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 3.33 | 63 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 138.038 | α = 90 |
| b = 150.951 | β = 90 |
| c = 200.54 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | F 2 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 | 2014-07-05 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | ESRF BEAMLINE ID29 | 0.976 | ESRF | ID29 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym I (Observed) | 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 | 1.85 | 46.01 | 99.5 | 0.06 | 0.078 | 0.048 | 0.99 | 9.7 | 4 | 88158 | |||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
| 1 | 1.85 | 1.88 | 99.8 | 0.871 | 1.202 | 0.711 | 0.65 | 1.3 | 4.1 | ||||||||||
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 | 3PE4 | 1.85 | 46.01 | 83781 | 4369 | 99.42 | 0.2065 | 0.20497 | 0.22 | 0.23641 | 0.26 | RANDOM | 46.58 | ||||
| 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] | |
| -2.79 | 4.54 | -1.75 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 40.605 |
| r_dihedral_angle_4_deg | 18.311 |
| r_dihedral_angle_3_deg | 13.492 |
| r_long_range_B_refined | 6.534 |
| r_long_range_B_other | 6.466 |
| r_dihedral_angle_1_deg | 6.026 |
| r_scangle_other | 4.74 |
| r_mcangle_other | 3.723 |
| r_mcangle_it | 3.721 |
| r_scbond_it | 2.912 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 5564 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 362 |
| Heterogen Atoms | 1 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| XDS | data reduction |
| Aimless | data scaling |
| MOLREP | phasing |
| Coot | model building |














