2.1 Angstrom Crystal Structure of Stage II Sporulation Protein D from Bacillus anthracis
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 7 | 295 | Protein: 6.7 mG/mL, 0.5 M Sodium chloride, 0.01 M Tris-HCL buffer, pH 8.3, 2mM N-Acetylglucosamine; Screen: Classics II (H7), 0.15M DL-Malic acid, pH 7.0, 20% (w/v) PEG 3350, VAPOR DIFFUSION, SITTING DROP, temperature 295K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 1.93 | 36.37 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 46.616 | α = 90 |
| b = 144.477 | β = 115.36 |
| c = 47.076 | 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 | 100 | CCD | MARMOSAIC 300 mm CCD | Beryllium lenses | 2014-10-13 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 21-ID-G | 0.97856 | APS | 21-ID-G |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 2.1 | 30 | 100 | 0.105 | 0.105 | 12.4 | 4.3 | 32915 | 32915 | -3 | 29.7 | ||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
| 1 | 2.1 | 2.14 | 100 | 0.623 | 0.623 | 2.2 | 4.3 | 1648 | |||||||||||
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 (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 | 2.1 | 27.53 | 31083 | 31083 | 1657 | 99.93 | 0.19033 | 0.18752 | 0.196 | 0.24348 | 0.2486 | RANDOM | 39.359 | ||||
| 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] | |
| 1.93 | 0.1 | -2.37 | 0.27 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 28.213 |
| r_dihedral_angle_4_deg | 10.66 |
| r_dihedral_angle_3_deg | 9.85 |
| r_long_range_B_refined | 6.869 |
| r_long_range_B_other | 6.761 |
| r_scangle_other | 4.185 |
| r_mcangle_it | 3.059 |
| r_mcangle_other | 3.059 |
| r_dihedral_angle_1_deg | 2.893 |
| r_scbond_it | 2.683 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 4203 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 290 |
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| Blu-Ice | data collection |
| PHENIX | model building |
| REFMAC | refinement |
| HKL-3000 | data reduction |
| HKL-3000 | data scaling |
| PHENIX | phasing |














