Crystal structure of a glycosyl hydrolase (BACOVA_03624) from Bacteroides ovatus at 2.30 A resolution
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 4.2 | 277 | 40.0% polyethylene glycol 300, 0.1M phosphate-citrate pH 4.2, Additive: 0.003 M fructose, VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 277K, VAPOR DIFFUSION, SITTING DROP |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.66 | 53.76 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 137.07 | α = 90 |
| b = 137.07 | β = 90 |
| c = 81.042 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | P 65 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 315 | 2010-10-12 | M | MAD | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | ALS BEAMLINE 8.2.2 | 0.9537,0.9795,0.9793 | ALS | 8.2.2 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | 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 | 2.3 | 28.31 | 98 | 0.117 | 0.145 | 8.84 | 5.59 | 38497 | -3 | 37.479 | |||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
| 1 | 2.3 | 2.38 | 89.6 | 0.705 | 0.874 | 1.53 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | 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 | MAD | THROUGHOUT | 2.3 | 28.31 | 38468 | 1931 | 99.38 | 0.1864 | 0.1844 | 0.18 | 0.2241 | 0.22 | RANDOM | 27.6448 | |||||
| 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] | |
| 0.74 | 0.37 | 0.74 | -1.12 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 23.542 |
| r_dihedral_angle_3_deg | 9.148 |
| r_dihedral_angle_4_deg | 9.004 |
| r_dihedral_angle_1_deg | 2.938 |
| r_scangle_it | 1.33 |
| r_angle_refined_deg | 1.234 |
| r_scbond_it | 0.851 |
| r_angle_other_deg | 0.798 |
| r_mcangle_it | 0.621 |
| r_mcbond_it | 0.326 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 5662 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 346 |
| Heterogen Atoms | 47 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| SOLVE | phasing |
| REFMAC | refinement |
| XSCALE | data scaling |
| PDB_EXTRACT | data extraction |
| XDS | data reduction |














