Crystal structure analysis of a non-toxic crystal protein from Bacillus thuringiensis
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 5.8 | 298 | 10%(v/v) 2-methyl-2,4-pentanediol, 50-100mM ammonium sulfate, 100mM sodium citrate, 1mM Na-EDTA, 1mM DTT, pH 5.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 3.1 | 60.3 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 95.38 | α = 90 |
| b = 95.38 | β = 90 |
| c = 130.727 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | P 31 1 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 | ADSC QUANTUM 210 | mirrors | 2003-06-04 | M | SINGLE WAVELENGTH | |||||
| 2 | 1 | x-ray | CCD | ADSC QUANTUM 210 | mirrors | 2003-06-04 | M | MAD | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | PHOTON FACTORY BEAMLINE AR-NW12A | 1.0000 | Photon Factory | AR-NW12A |
| 2 | SYNCHROTRON | PHOTON FACTORY BEAMLINE AR-NW12A | 1.0077, 1.0082, 1.0088, 0.992 | Photon Factory | AR-NW12A |
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 | 2.07 | 47.67 | 99.9 | 0.054 | 32.8 | 11.9 | 41642 | 20.4 | |||||||||||
| 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) | |||||||||||
| 2.07 | 2.18 | 99.8 | 0.229 | 9.6 | 10.9 | 6001 | |||||||||||||
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 | 2.07 | 47.67 | 41637 | 4200 | 0.23 | 0.23 | 0.23 | 0.265 | 0.26 | RANDOM | 35.5 | ||||||
| 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] | |
| -5.02 | -0.02 | -5.02 | 10.04 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| c_dihedral_angle_d | 26.7 |
| c_scangle_it | 3.3 |
| c_scbond_it | 2.27 |
| c_mcangle_it | 2.03 |
| c_mcbond_it | 1.35 |
| c_angle_deg | 1.3 |
| c_improper_angle_d | 0.7 |
| c_bond_d | 0.006 |
| c_bond_d_na | |
| c_bond_d_prot | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 3890 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 210 |
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| CNS | refinement |
| HKL-2000 | data reduction |
| SCALEPACK | data scaling |
| SHARP | phasing |
