Structure Of the metal-free form of the deoxy-D-mannose-octulosonate 8-phosphate phosphatase (YrbI) From Haemophilus Influenzae (HI1679)
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 8.5 | 277 | protein (10 mg/ml) in 10mM NaHepes, pH 7.5, 1mM EDTA, 1mM DTT; crystallization in 22% polyethylene glycol 4000, 0.1 M Tris-HCl, 0.2 M Lithium sulfate. Glycerol added as cryoprotectant., pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2 | 38.38 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 67.77 | α = 90 |
| b = 132.3 | β = 90 |
| c = 140.97 | 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 | 100 | CCD | BRANDEIS | 2000-08-20 | M | MAD | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | NSLS BEAMLINE X12C | 0.9790, 0.9787, 0.9500 | NSLS | X12C |
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 | 2.3 | 50 | 97.8 | 0.089 | 10 | 5.4 | 28788 | 28788 | 33 | ||||||||||
| 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 | 2.3 | 2.4 | 95.9 | 0.171 | 4.2 | 3494 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (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 | 20 | 2 | 27928 | 26906 | 1581 | 0.176 | 0.1913 | 0.258 | 0.2652 | random | 34 | |||||
| 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 |
| c_angle_deg | 1.6 |
| c_bond_d | 0.012 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 5448 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 259 |
| Heterogen Atoms | 6 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| DENZO | data reduction |
| SCALEPACK | data scaling |
| SHELX | model building |
| MLPHARE | phasing |
| DM | model building |
| CNS | refinement |
| SHELX | phasing |
| DM | phasing |














