3G8S
Crystal structure of the pre-cleaved Bacillus anthracis glmS ribozyme
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 6.8 | 298 | 11% PEG 8000, 9% DMSO, 0.02M SODIUM CACODYLATE, 0.02M MAGNESIUM CHLORIDE, 0.15M POTASSIUM CHLORIDE, pH 6.8, vapor diffusion, sitting drops, temperature 298K, VAPOR DIFFUSION, SITTING DROP |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.3 | 46.5 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 47.364 | α = 90 |
| b = 228.48 | β = 90.58 |
| c = 103.915 | 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 | ADSC QUANTUM 315 | 2007-10-05 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | NSLS BEAMLINE X29A | 1.1 | NSLS | X29A |
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 | 3.1 | 45 | 99.4 | 0.219 | 5.844 | 4 | 39374 | ||||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
| 1 | 3.1 | 3.21 | 98.4 | 3.8 | |||||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||||
| X-RAY DIFFRACTION | 3.1 | 43.77 | 37270 | 1964 | 98.66 | 0.24942 | 0.24649 | 0.30597 | RANDOM | 62.373 | |||||||||
| 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] | |
| 1.41 | -0.74 | 2.98 | -4.41 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 35.542 |
| r_dihedral_angle_3_deg | 18.71 |
| r_dihedral_angle_4_deg | 15.032 |
| r_dihedral_angle_1_deg | 6.742 |
| r_angle_refined_deg | 1.486 |
| r_scangle_it | 1.415 |
| r_angle_other_deg | 0.895 |
| r_scbond_it | 0.823 |
| r_mcangle_it | 0.495 |
| r_mcbond_it | 0.266 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2897 |
| Nucleic Acid Atoms | 13066 |
| Solvent Atoms | 79 |
| Heterogen Atoms | 10 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| DENZO | data reduction |
| SCALEPACK | data scaling |
| REFMAC | refinement |
| PDB_EXTRACT | data extraction |
| HKL-2000 | data collection |
| HKL-2000 | data reduction |
| MOLREP | phasing |
