Crystal Structure of 2-C-Methyl-D-Erythritol 2,4-Cyclodiphosphate Synthase from Francisella tularensis
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 6.2 | 289 | 0.1 M Na2HPO4/KH2PO4 pH 6.2, 35% (v/v) MPD, VAPOR DIFFUSION, SITTING DROP, temperature 289K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.85 | 56.88 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 96.116 | α = 90 |
| b = 96.116 | β = 90 |
| c = 155.308 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | P 63 |
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 315r | mirrors | 2010-10-14 | M | SAD | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 19-ID | 0.97942 | APS | 19-ID |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym 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 | 2.65 | 50 | 99.9 | 0.112 | 7.7 | 9.2 | 23681 | 23681 | 68.48 | ||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
| 2.65 | 2.7 | 100 | 0.734 | 2.9 | 9.4 | 1165 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | 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 | SAD | THROUGHOUT | 2.645 | 41.619 | 23529 | 23529 | 1211 | 99.09 | 0.176 | 0.176 | 0.173 | 0.1674 | 0.227 | 0.2166 | random | 72.9 | |||
| 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] | |
| 27.5441 | 27.5441 | -5.5734 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 16.208 |
| f_angle_d | 1.144 |
| f_chiral_restr | 0.079 |
| f_bond_d | 0.008 |
| f_plane_restr | 0.004 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 4531 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 63 |
| Heterogen Atoms | 54 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| SBC-Collect | data collection |
| HKL-3000 | data collection |
| HKL-3000 | phasing |
| PHENIX | model building |
| PHENIX | refinement |
| HKL-3000 | data reduction |
| HKL-3000 | data scaling |
| PHENIX | phasing |














