RT structure of Glucose Isomerase obtained at 1.06 A resolution from crystal grown in a Kapton microchip.
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 4A8I | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | COUNTER-DIFFUSION | 7 | 293.5 | 0.1 M MgCl2, 10% w/v PEG 1K, 0.1 M Hepes pH 7.0 |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.7 | 54 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 93.94 | α = 90 |
| b = 99.37 | β = 90 |
| c = 103.04 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | I 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 | 293.5 | PIXEL | DECTRIS PILATUS3 6M | Be CRL lenses for vertical focusing and Rh/Pt/Si coated ellipitcal mirror for horizontal focusing | 2017-03-06 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | ESRF BEAMLINE ID30B | 0.9763 | ESRF | ID30B |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 1.06 | 41.12 | 92.32 | 0.987 | 8.4 | 7.93 | 200000 | 13.05 | |||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
| 1 | 1.06 | 1.09 | 40.2 | 0.614 | |||||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | 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) | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 4A8I | 1.06 | 41.12 | 1.34 | 199958 | 9998 | 92.32 | 0.1233 | 0.1229 | 0.12 | 0.131 | 0.13 | 20.18 | ||||
| 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] | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 7.5613 |
| f_angle_d | 0.9041 |
| f_chiral_restr | 0.0754 |
| f_plane_restr | 0.007 |
| f_bond_d | 0.0046 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 3033 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 281 |
| Heterogen Atoms | 3 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| MxCuBE | data collection |
| XDS | data reduction |
| PHASER | phasing |
| PHENIX | refinement |
| Coot | model building |
| Aimless | data scaling |














