Crystal Structure of a Phosphocarrier Protein HPr from Bacillus anthracis str. Ames
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 7 | 298 | PEG 3350 20%, K dihydrogen Phosphate 0.2M, pH 7, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 40.84 | α = 90 |
| b = 40.84 | β = 90 |
| c = 139.37 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | P 31 2 1 |
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 | RAYONIX MX-300 | Be Lens | 2009-03-14 | M | SINGLE WAVELENGTH | |||||
| 2 | 1 | x-ray | 100 | CCD | RAYONIX MX-300 | Mirror | 2009-03-21 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 21-ID-G | 0.97857 | APS | 21-ID-G |
| 2 | SYNCHROTRON | APS BEAMLINE 21-ID-D | 1.09721 | APS | 21-ID-D |
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 | 1.15 | 23.2 | 96.8 | 0.043 | 17.12 | 4.3 | 204840 | -3 | -3 | 15.3 | |||||||||
| 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) | |||||||||||
| 1.15 | 1.17 | 93.7 | 0.416 | 2.62 | 3.28 | 2297 | |||||||||||||
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 | SAD | THROUGHOUT | 1.15 | 23.2 | 45191 | 2354 | 96.83 | 0.15716 | 0.15574 | 0.1584 | 0.18499 | 0.1841 | RANDOM | 11.017 | |||||
| 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] | |
| -0.08 | -0.04 | -0.08 | 0.12 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 38.054 |
| r_dihedral_angle_4_deg | 20.301 |
| r_sphericity_free | 16.842 |
| r_dihedral_angle_3_deg | 10.865 |
| r_sphericity_bonded | 7.084 |
| r_scangle_it | 4.881 |
| r_dihedral_angle_1_deg | 4.378 |
| r_scbond_it | 3.819 |
| r_mcangle_it | 2.973 |
| r_mcbond_it | 2.488 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1363 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 199 |
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| BLU-MAX | data collection |
| PHENIX | model building |
| REFMAC | refinement |
| XDS | data reduction |
| XSCALE | data scaling |
| PHENIX | phasing |
