5FKQ
Unraveling the first step of xyloglucan degradation by the soil saprophyte Cellvibrio japonicus through the functional and structural characterization of a potent GH74 endo-xyloglucanase
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | 0.1 M SODIUM ACETATE (PH 5.0), 0.6 M SODIUM FORMATE, 8 % W/V PGA-LM | |||
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.61 | 52.86 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 84.002 | α = 90 |
| b = 94.116 | β = 103.27 |
| c = 105.64 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 1 21 1 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 120 | PIXEL | DECTRIS PIXEL | 2015-02-14 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | DIAMOND BEAMLINE I04 | 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 | 1.71 | 48.88 | 99.8 | 0.1 | 11 | 4.1 | 172392 | 2 | |||||||||||
| 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 | 1.71 | 1.75 | 99.7 | 0.73 | 1.6 | 4.2 | |||||||||||||
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 | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | APO STRUCTURE | 1.71 | 102.82 | 163901 | 8556 | 99.9 | 0.19408 | 0.19248 | 0.22462 | RANDOM | 14.691 | ||||||
| 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] | |
| -0.61 | 1.58 | -0.87 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 35.193 |
| r_dihedral_angle_4_deg | 16.682 |
| r_dihedral_angle_3_deg | 11.862 |
| r_dihedral_angle_1_deg | 7.356 |
| r_angle_refined_deg | 1.827 |
| r_mcangle_it | 1.634 |
| r_scbond_it | 1.482 |
| r_mcbond_it | 1.132 |
| r_mcbond_other | 1.132 |
| r_angle_other_deg | 1.057 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 11083 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 961 |
| Heterogen Atoms | 32 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| Aimless | data scaling |
| MOLREP | phasing |
